2. 1 2 3 5 7 8
964
1 6
2 7
3 8
4 9
5
Product Features
01 02
ROCKWILL
Monolithic operating handle, more convenient and safer.
There is a registered trademark of manufacturer Rockwill electrical in
the central position of the left side of the products panel.
There is a registered trademark of product type in the upper right position
of the products panel.
There is product parameters label in the right position of products panel.
Epoxy resin uses Ciba resin; vacuum arc-extinguishing chamber adopts
German alsburg interrupter.
Contact pressure spring is with German Mu Bei spring.
The main spring is with German Gruber spring.
Reserved intelligent online monitoring interface.
Long mechanical life, 50000 times.
To provide higher value for customers.
ROCKWILL
3. Drive Mechanism
ROCKWILL
VD4 type circuit breaker spring operating mechanism
Modular secondary control
circuit board, with self plug
fastened, is convenient to
replace, and ensure the
reliability of the electrical
connection.
Circuit board Closing unit
Closing unit has the advantages
of simple structure, reliable
operating principle. Not only
fundamentally put an end to
the occurrence of unable to
keep after closing, breaking
failure and so on, but also
reduces the trip needed power.
Closing or tripping
electromagnet
Electromagnet adopts all
closed structure design,
to ensure that the coil will
not be influenced by damp.
Tripping buffer
High-performance buffer can
reduce the circuit breaker
moving contact overshoot
or rebound amplitude in the
opening time, reduce the
probability of circuit breakers
arc restriking, and ensure
the mechanical life of vacuum
interrupter bellows.
Surface treatment
80% of mechanism parts
surface adopts the Ni- P
alloy plating process; greatly
improved the corrosion
resistance of parts, to en-
sure the stable quality of
machine being consistent
from beginning to end.
Closing unit has the ad-
vantages of simple struc-
ture, reliable operating
principle, Not only funda-
mentally put an end to
unable maintenance after
closing, and breaking failure,
but also reduces the trip
needed power
The operating mechanism has
the advantages of simple
structure, reliable action, pro-
duct parts of different speci-
fications is of the strong ver-
satility, because the agency
fully developed by our comp-
any, it can be customized
according to user's different
r e q u i r e m e n t s o f s p e c i a l
products.
Overall advantages
Every detail of VD4 circuit breaker is to strive for perfection.
03 04
4. VD4/P-12
General Principals
VD4 (P) -12 type sealed high-voltage vacuum circuit breaker independently developed
by our company is the leading domestic level of a new generation of 12kV vacuum
circuit breaker .Its main feature is that the main circuit adopts the solid insulation
solid sealed pole, which uses a special embedded technology, to pour the epoxy resin
into vacuum interrupter with ultra low resistance and conductive parts, so as to realize
the solid insulation of main circuit. The operating mechanism is new-type spring one,
which is independently researched and developed by my company, has the advantages
of simple structure, reliable action, and manufacturing experience for launching tens of
thousands of the products, used and referenced by a number of domestic high-end
vacuum circuit breaker manufacturers.
VD4(P)-12 type sealed high-pressure
vacuum circuit breaker Every technical
parameter is completely complied with
GB1984, GB/T11022, China power Industry
standard DL 403, at the same time also
meet the standard,IEC62271-100 IEC56
and the related standard provisions of
other major industrialized countries.
Standard
VD4(P)-12 type sealed high-pressure
vacuum circuit breaker owns perfect
mechanical & electrical interlocking
device, it is also with high operation
reliability and service life. Matching with
the suitable switchgear to complete
safe distribution function, ensure the
safety of the operator and the equipment.
Security of operation
VD4(P)-12 type sealed high-pressure
vacuum circuit breaker can be widely
used in Power plant, power network,
metallurgical, petrochemical, city infras-
tructure such as airports, buildings, sub-
way project.
VD4-40.5 series of indoor high voltage
vacuum circuit breaker in the distribution
system can be applied to the control and
protection of cables, overhead trans-
mission line, transformer, motor, gen-
erator, and capacitor bank.
Application range
VD4( P) -12 type sealed high voltage
vacuum circuit breaker has passed the
following tests to ensure the security of
operation.
·Type tests: power frequency withstand
voltage, lightning impulse withstand voltage,
temperature rise, short time and peak
withstand current, short circuit current
switching capability mechanism life etc.
·Factory routine test: The mechanical
performance test, the main circuit power
frequency withstand voltage test, auxiliary
and control circuit insulation performance
test, the main loop resistance test,
interlock operation test, mechanical and
electrical operation test.
Test
Embeded pole type high-voltage vacuum circuit breaker
05 06
5. External Dimensions
P h2 h1 A B I H K W
20~31.5kA 630~1250A
150 205 260 502 503 492
620.5 6090
+2
630A
35210 205 260 650 653 638 800
1250A
275 205 260 850 853 842 1000
20~31.5kA 630~1250A 150 275 280 502 503 492
637
6000
+2
630A 35
20~40kA 630~1600A
210 275 280 650 653 638 800 1250A 49
275 275 280 850 853 842 637/698 1000 1600A 55
P h2 h1 a b c
20~31.5kA 630~1250A 210 275 237 588 564.5 520
P h1/h2 a c
31.5~40kA 1600~4000A 275 252/310 770 720
1
45
14.5
16
8
8~10
Trip 8~10
436
200 50
4
K
588 ± 2
361
200
19
h2
W
W
HH
154
76
I
h1
I
B
45
14.5
16
19
h1
165
76
B
h2
A
P P
A
P P
φ98
0
-3
0
-3 50
4
b
h2h1
444
676
h2h1
c
p
p p
a
c
4-M12
4-M12
p
A
A
1
40 275
440
275
441.5
20
VD4/P-12
07 08
Dimensions of VD4/P-12 handcart type vacuum circuit breaker
Rated
current
Rated short-
circuit breaking
current
Width of
matching
cabinet
Rated
current
Trip
P A B I H h1 / h2 W
31.5~40kA
1600A 210 650 653 638
698
295/310 280/310
800 1600A 55
1600~2000A 275 850 853 842
1000
1600~2000A 79
2500~4000A 275 850 853 842 735 2500~4000A 109
Notes: 1) Circuit breaker shall take the cooling cover when the rated current is
above of 2500A.
2) When using forced air cooling, the rated current can be up to 4000A.
Rated
current
Rated short-
circuit breaking
current
Width of
matching
cabinet
Rated
current
Dimensions of VD4/P-12 Fixed vacuum circuit breaker dimensions
The A dimension, please confirm with my company.
Rated
current
Rated short-circuit
breaking current
The A dimension, please confirm with my company.
Rated
current
Rated short-circuit
breaking current
Notes: 1) Circuit breaker shall take the cooling cover when the
rated current is above of 2500A.
2) When using forced air cooling, the rated current can
be up to 4000A.
650
650
6. Type
ZYJ55-1
DC110V
75 , 100 ≤ 15
DC220V
DC220 DC110 DC220 DC110 DC220 DC110 DC220 DC110
1.1 2.2 1.1 2.2 25 mA 9.1 mA
242 242 242 242 2.7 1.0
85%～110% － －
Technical Parameter
AC 220V / 110V
DC 220V / 110V 3.5 / 5 / 7.5 / 10
No. Item Unit
1
kV
12
2 42
3 75
4 Hz 50
5 A
630 630 1250 1250
1250 1250 1600 1600
2000 2000
2500 2500
3150 3150
4000 4000
6
kA
20 25 31.5 40
7 20 25 31.5 40
8 50 63 80 100
9 50 63 80 100
10 20 25 31.5 40
11 50 63 80 100
12 12.5（The frequency is not more than 1000Hz)
13 A 630 / 400
14 S 4
15
V
2000
16
AC 110 / 220 DC 110 / 220
AC 110 / 220 DC 110 / 220
AC 110 / 220 DC 110 / 220
17
ms
20 ~ 50
18 30 ~ 70
19 mm 3
20 s ≤ 15
21
mm
9± 1
22 3 ~ 4
23
ms
≤ 2
24 ≤ 2
25
ms
0.9 ~ 1.3
26 ~ 1.00.4
27 mm ≤ 2
28 μΩ
630 55 45
1250 45 40
1600 ~ 2000 35 30
2500 and above 25 20
29 Open -θ - Cose -180s - Cose
30 Times
50000（31.5KA and below )
20000（40KA）
Rated voltage
Rated
insulation
level
1min
frequency withstand voltage
Rated short time power
Rated lightning impulse
withstand voltage (peak)
Rated frequency
Rated current
Rated short circuit breaking current
Rated short time withstand current
Rated peak withstand current
Rated short circuit making current (peak)
4S thermal stability current
Rated dynamic stability current
Rated capacitor bank making inrush current
Rated single/back-to-back capacitor bank
breaking current
Rated short circuit duration
Secondary loop power frequency withstand voltage
(A)Rated current (μΩ)Handcart type (μΩ)Fixed type
1. Average opening velocity refers to the average speed after the circuit breaker contact just open for 6mm.
2. Average closing speed refers to the average speed of total contactor space.
3. When the rated short-circuit breaking current is less than 40KA,θ is 0.3s, When the rated short-circuit breaking
current is more than 40KA,θ is 180s.
Technical data
Rated
operation
voltage
Energy storage motor
Tripping time (rated voltage)
Dynamic, static contacts permit abrasion total thickness
Different period of three-phase break and close brake
The average opening velocity1
The average opening velocity2
Contact opening rebound amplitude
Closing time (rated voltage)
Energy storage time
Contact opening distance
Contacting travel
Contact bouncing time
The main circuit resistance
Rated operating sequence3
Closing coil
Tripping coil
Mechanical life
09 10
Technical parameters of closing, tripping electromagnet and related electrical components
Rated operational
voltage (V)
Rated operational
current (A)
Rated electric
power (W)
Normal operational
voltage range
65%～120% of rated voltage,
When less than 30% of rated
voltage,theswitchcannotopen.
The secondary control loop scheme combination
With electric
lockout / Without
electric lockout
With anti-jump
relay / Without
anti-jump relay
With under voltage
tripping / Without
under voltage
tripping
With over current
trip / Without over
current trip
Over current
trip numbers
Two over current
/three over current
Action current
value
Electrical energy storage technology parameters
Rated voltage (V)
Rated electric
power (W)
85% ~ 110%
Rated voltage
Energy storage time of
the rated voltage (S)
Item
Category Closing electromagnet Tripping electromagnet Latching electromagnet Anti jump relay
Normal working
voltage range Rated voltage (V)
Control voltage Blocking scheme Anti-jump scheme
Under voltage
tripping scheme Overcurrent trip scheme
VD4/P-12
7. 11 12
VD4-12
Indoor high voltage vacuum circuit breaker
General Principals
Every technical parameter is comp-
letely complied with GB1984、GB/T
11022 ,China power Industry standard
DL 403, at the same time also meet the
standard,IEC62271-100 IEC56 and the
related standard provisions of other
major industrialized countries.
Standard
VB-12 Indoor high voltage vacuum circuit
breaker owns perfect mechanical & electrical
interlocking device, it is also with high
operation reliability and service life,
matching with the suitable switchgear to
complete safe distribution function, ensure
the safety of the operator and the
equipment.
Security of operation
VB-12 Indoor high voltage vacuum circuit
breaker can be widely used in Power
plant, power network, metallurgical,
petrochemical, city infrastructure such
as airports, buildings, subway project.
VD4-40.5 series of indoor high voltage
vacuum circuit breaker in the distribution
system can be applied to the control and
protection of cables, overhead trans-
mission line, transformer, motor, gen-
erator, and capacitor bank.
Application range Test
VB-12 Indoor high voltage vacuum circuit breaker independently developed by our company
is the leading domestic level of a new generation of 12kV vacuum circuit breaker, Its
main feature is that the main circuit is installed in the full sealed three-phase insulating
cylinder the operation mechanism and the main circuit was of before and after layout
The operating mechanism is new-type spring one, which is independently researched
and developed by my company, has the advantages of simple structure, reliable action,
and manufacturing experience for launching tens of thousands of the products, used and
referenced by a number of domestic high-end vacuum circuit breaker manufacturers.
VB-12 Indoor high voltage vacuum circuit
breaker has passed the following tests
to ensure the security of operation.
·Type tests: power frequency withstand
voltage, lightning impulse withstand voltage,
temperature rise, short time and peak
withstand current, short circuit current
switching capability and current switching
test of cable charging.
·Factory routine test: The mechanical
performance test, the main circuit power
frequency withstand voltage test, auxiliary
and control circuit insulation performance
test, the main loop resistance test,
interlock operation test, mechanical and
electrical operation test.
8. External Dimensions
ႜ
652
650
640
210 210 16
8
14.5 14.5
638
275280
7876
43.5
21.5
436 50
40 89
4
45
19
10
637
600
+2
0
200 0
-3
842
45
14.5 14.5852
588
8
16275275
838
850
361
89
50
4
19
10
310295
698
21.5
8877
43.5
200 0
-3
1600～4000 31.5～40 1000
1600A CT-36 ф55
1600/2000 CT-48 ф79
2500/3150 CT-64
ф109
4000 CT-82
13 14
VD4-12
Trip 8~10
Dimensions of VD4-12 handcart type (spaced 210) vacuum circuit breaker
630～1250 20～40 800
630 CT-24
1250 CT-30
1600 CT-36
ф35
ф49
ф55
Rated
current (A)
Rated short-circuit
breaking current (kA)
Width of m
cabinet（mm）
atching
Assorted
sizes
of moving
and fixed
contacts
Rated
current (A)
Contact plum
The sizes of
fixed contact
Note: The main circuit uses sleeve type.
Dimensions of VD4-12 handcart type (spaced 275) vacuum circuit breaker
±2
Trip 8~10
Rated
current (A)
Rated short-circuit
breaking current (kA)
Width of m
cabinet（mm）
atching
Assorted
sizes
of moving
and fixed
contacts
Rated
current (A)
Contact plum
The sizes of
fixed contact
Note: The main circuit uses sleeve type.
9. 15 16
VD4-12F
Dimensions of VD4-12F fixed type (spaced 210) vacuum circuit breaker Dimensions of VD4-12F fixed type (spaced 275) vacuum circuit breaker
Note: The main circuit uses sleeve type.
Rated
current (A)
Rated short-circuit
breaking current (kA)
-side
-side
Copper bar
-side
1:4
-side
Rated
current (A)
Rated short-circuit
breaking current (kA)
Note: The main circuit uses sleeve type.
10. 17 18
VD4-12
1. Average opening velocity refers to the average speed after the circuit breaker contact just open for 6mm.
2. Average closing speed refers to the average speed of total contactor space.
3. When the rated short-circuit breaking current is less than 40KA,θ is 0.3s, When the rated short-circuit breaking
current is more than 40KA,θ is 180s.
No. Item Unit Technical data
No. Item Unit Technical data
Times
Rated voltage
Rated
insulation
level
1min
frequency withstand voltage
Rated short time power
Rated lightning impulse
withstand voltage (peak)
Rated frequency
Rated current
Rated short circuit breaking current
Rated short time withstand current
Rated peak withstand current
Rated short circuit making current (peak)
4S thermal stability current
Rated dynamic stability current
Rated capacitor bank making inrush current
Rated single/back-to-back capacitor bank
breaking current
Rated short circuit duration
Secondary loop power frequency withstand voltage
Rated
operation
voltage
Energy storage motor
Tripping time (rated voltage)
Dynamic, static contacts permit abrasion total thickness
Different period of three-phase break and close brake
The average opening velocity1
The average opening velocity2
Contact opening rebound amplitude
Closing time (rated voltage)
Energy storage time
Contact opening distance
Contacting travel
Contact bouncing time
The main circuit resistance
Rated operating sequence3
Closing coil
Tripping coil
Mechanical life
12.5（The frequency is not more than 1000Hz)
(A)Rated current (μΩ)Handcart type (μΩ)Fixed type
2500 and above
Open -θ - Cose -180s - Cose
（50000 31.5KA and below )
20000（40KA）
AC 220V / 110V
DC 220V / 110V 3.5 / 5 / 7.5 / 10
The secondary control loop scheme combination
With electric
lockout / Without
electric lockout
With anti-jump
relay / Without
anti-jump relay
With under voltage
tripping / Without
under voltage
tripping
With over current
trip / Without over
current trip
Over current
trip numbers
Two over current
/three over current
Action current
value
Control voltage Blocking scheme Anti-jump scheme
Under voltage
tripping scheme Overcurrent trip scheme
DC220 DC110 DC220 DC110 DC220 DC110 DC220 DC110
1.1 2.2 1.1 2.2 25 mA 9.1 mA
242 242 242 242 2.7 1.0
85%～110% － －
Technical parameters of closing, tripping electromagnet and related electrical components
Rated operational
voltage (V)
Rated operational
current (A)
Rated electric
power (W)
65%～120% of rated voltage,
When less than 30% of rated
voltage,theswitchcannotopen.
Item
Category Closing electromagnet Tripping electromagnet Latching electromagnet Anti jump relay
Normal working
voltage range Rated voltage (V)
Type
ZYJ55-1
DC110V
75 , 100
DC220V
Normal operational
voltage range
Electrical energy storage technology parameters
Rated voltage (V)
Rated electric
power (W)
85% ~ 110%
Rated voltage
Energy storage time of
the rated voltage (S)
≤ 15
12. 21 22
VD4(S)/P-12
·Equipping with SMART online monitoring
technology joint developed with the German
ALSBURG company.
The circuit breaker control circuit disconn-
ection alarm function
Vacuum degree on-line monitoring function
of vacuum interrupter of circuit breaker.
Temperature online monitoring function of
the main circuit of circuit breaker.
Online monitoring function of circuit breaker
over travel change.
·The main circuit adopts the solid insulation
solid sealed pole.
·The integration of spring operating mechanism
with a number of patents.
·Long life, high reliability.
Technical characteristic
VD4(S)-12 intelligent solid sealed high voltage vacuum circuit
breaker design meet the standard of VD4(S)-12.
·GB1984-2003 AC high voltage circuit breaker.
·GB/T11022-1999 Common specifications for high-voltage
switchgear and control gear standards.
·DL403-9910~35 indoor AC high voltage vacuum circuit breaker
order technical conditions.
·DL593-2006 Common technical specifications for high-voltage
switchgear and control equipment.
·IEC62271-100AC High voltage circuit breaker.
·JB3855-963.6~40.5KV indoor AC high voltage vacuum circuit
breaker.
·GB/T18268-2000 Electromagnetic compatibility requirements
for electrical equipment used for measurement, control and
laboratory.
·GB/T17799.2-2003 Immunity test of EMC general standard
in industrial environment.
·GB/T17626.2-2006 Electromagnetic compatibility testing and
measurement techniques.
Technical criteria
Safe and reliable
VD4 (S) -12 intelligent sealed vacuum circuit breaker with intelligent online monitoring function, can be real-time
monitoring of the circuit breaker in the running state, give out the alarm signal and to the remote transmission when
the fault comes. At the same time, the product is equipped with perfect mechanical and electrical interlock to ensure
the safety in the process of operation and inspection. Product design, manufacturing, installation, service systems
strictly implement ISO9001, 2000 standards to ensure that product quality is stable and reliable.
VD4 (P)-12 type sealed high voltage vacuum circuit breaker has
passed the following tests to ensure the security of operation.
VD4 (S) -12 intelligent sealed vacuum circuit breaker
can be used in energy and infrastructure, industrial,
commercial and civil construction in the field of medium
voltage distribution network protection and control, esp-
ecially suitable for the HV / MV, MV / MV substation.
·The complete series
VD4 (S) -12 intelligent sealed vacuum circuit breaker:
rated voltage12KV, rated current 630A, 1250A, 1600A、
2000A、2500A、3150A、4000A,rated short circuit breaking
current: 20KA、25KA、31.5KA、40KA.
·Strong adaptability
VD4 (S) -12 intelligent sealed vacuum circuit breaker
divided into handcar type and fixed type.
Application range Test
·Type test
Temperature rise test.
Mechanical life test.
Dynamic thermal stability test.
Short circuit current switching capacity test.
Short time and peak withstand current test.
Power frequency withstand voltage, lightning impulse withstand
voltage.
·Special test
Capacitor test.
High altitude 3500m test.
·Delivery test
Vacuum break,phrase,to earth power frequency withstand voltage test.
Auxiliary and control circuit insulation test.
Mechanical, electrical operation experiment.
Opening or Closing Simultaneity test.
Opening or Closing time test.
Bounce time test.
Mechanical property test.
Circuit resistance test.
Visual inspection.
Product overview of VD4(S)-12.
13. 23 24
VD4(S)/P-12
·For the secondary control circuit fault, the most common is the tripping coil
burning, and can not trip when the fault comes.
·High temperature of the main circuit leads material aging, failure of insulation,
and causes equipment damage.
·The vacuum interrupter leakage can loss breaking capacity.
·Circuit breaker short-circuit current capacity decreased in the running for a period
of time, at the same time the electric life decline.
Common fault and fault can not be forecasted of circuit breaker
Circuitbreaker
Vacuum sensor
Disconnection sensor
Overtravel sensor
Temperature sensor
Timely adjusting circuit
breaker when parameter
is poor.
Supervisory personnel Supervision center
A/D
conversion
Signal
multiplication
Signal
encoding Memorizer
Central processing unit
Input / output interface circuit Output circuit
Audible and
visual alarm
Remote data
transmission
Online monitoring solution
Display
screen
Vacuum alarm
Vacuum of A phrase interrupter is
abnormal, please repair immediately.
Over-travel test
A phrase overtravel
Overtravel alarm value
Switchgear panel Switchgear panel recommended the
use of mouth opening112×112
Open-pore size chart
·Simple operation: Touch operation,
human-computer interaction interface.
·The circuit breaker control circuit
disconnection alarm function
The function of the circuit breaker during
normal operation can automatically detect
the integrity of the tripping control loop.
·
online temperature monitoring function
The main circuit of circuit breaker
The function during the circuit breaker
operation, if conductive loop temperature
exceeds the allowable value will auto-
matically send alarm signal, remind
operators to make timely check. Ensure
that the circuit breakers will not long-term
operation in high temperature conditions.
Tripping circuit alarm Return to the
main interface
Tripping circuit breaks,
please repair immediately.
Contact temperature rise test
Inspection date
Ambient temperature
Aphrasetemperaturerise
Bphrasetemperaturerise
Cphrasetemperaturerise
Temperaturerisealarmvalue
Referring to the
historical value
ROCKWILL
Return to the
main interface
Vacuum
monitoring
Trip circuit
disconnection
monitoring
Contact
temperature
test
Ultra stroke
detection
Parameter
settings
Help
Return to the
main interface
Return to the
main interface
B phrase overtravel
C phrase overtravel
Referring to the
historical value
·
breaker online temperature monitoring
function
The interrupter Vacuum of circuit
The function during the circuit breaker
operation, if the interrupter vacuum
exceeds the allowable value will auto-
matically send alarm signal, remind
operators to make timely check. Ensure
that the interrupter of circuit breaker
would not long-term operation in the
loss of breaking capacity, to stop the
occurrence of breaking failure.
·
function
Short circuit breaking capacity monitoring
The function during the circuit breaker
operation can automatically monitor the
variation of over travel displacement, if
you exceed the allowable value, it can
be adjusted on the spot.
VB(S)-12
14. 25 26
VD4(S)/P-12
Switchgear type
Primarysystemdiagram
Controlled
equipment
Loop name
Vacuum circuit
breaker
High voltage fuse
Current transformer
Voltage transformer
Surge arrestor
High voltage
live display
Grounding switch
Mainelectriccomponent
Zero sequence
current transformers
1# incoming
cabinet
1# PT
cabinet
1# capacitor
compensation
cabinet
1# Blower
start cabinet
1# Blower
operation
cabinet
2# Blower
start cabinet
2# Blower
operation
cabinet
1# Transformer
cabinet
2# Transformer
cabinet
1# Slurry
pump
2# Slurry
pump
3# Slurry
pump
1# Electric
furnace dust
removal fan
1# Furnace
casthouse
dedusting fan
Fan spare
cabinet
Bus isolating
cabinet
Functional
instruction
VD4(S)-12
Product function configuration instructions
A type
B type
C type
Real-time monitoring the
worsening situation of short
-circuit breaking capacity,
giving out an alarm signal
to inform the background
when reaching a preset
threshold value.
Intelligent feeder switch
Intelligent line, contact switch
Intelligent motor protection switch
Short circuit breaking capacity
monitoring function
Real-time monitoring main
circuit temperature changes,
giving out an alarm signal to
inform the background when
reaching a preset threshold
value.
Temperature
monitoring function
Monitoring the
vacuum condition
Real-time monitoring the
change of the vacuumdegree
of vacuum interrupter, in the
vacuum deterioration imme-
diately issued a warning signal
to inform the background.
Two disconnection
alarm function
Real-time monitoring con-
dition of the secondary
control loop. To give out an
alarm signal to inform the
background when reaching
a preset threshold value.
Optional
Optional
Optional
VD4(S)-12B VD4(S)-12C VD4(S)-12C VD4(S)-12C VD4(S)-12A VD4(S)-12C VD4(S)-12C VD4(S)-12C
VD4(S)-12C VD4(S)-12C VD4(S)-12A VD4(S)-12C VD4(S)-12C VD4(S)-12C
VD4(S)-12
15. 27 28
VD4(S)/P-12
Surface treatment
80% of mechanism parts surface adopts the Ni-P alloy plating
process, greatly improve the corrosion resistance of parts, and
ensure the stable quality of machine consistent from beginning
to end.
The overall advantages
The operating mechanism has the advantages of simple structure,
reliable action, product parts of different specifications is of the
strong versatility, because the agency fully developed by our
company, it can be customized according to user's different
requirements of special products.
Every detail of type circuit breaker is to strive
for perfection.
VB(S)-12
VD4(S)/P-12
Dimensions of handcart type vacuum circuit breakerVD4(S)/P-12
Trip 8~10
The diagram (*698) as phase spacing of 275 sealing plate height options (high-mountain type)
Rated
current (A)
Rated short-
circuit breaking
current (kA)
Width of
matching
cabinet(mm)
Assorted
sizes
of moving
and fixed
contacts
Rated
current (A)
Contact
plum
The sizes of
fixed contact
16. 29 30
VD4(S)/P-12
Dimensions of handcart type vacuum circuit breakerVD4(S)/P-12Dimensions of handcart type vacuum circuit breakerVD4(S)/P-12
Trip 8~10
Rated
current (A)
Rated short-
circuit breaking
current (kA)
Width of
matching
cabinet(mm)
Rated
current (A)
Contact
plum
The sizes of
fixed contactAssorted
sizes
of moving
and fixed
contacts
Trip 8~10
1. Circuit breaker shall take the cooling cover when the rated current is 2500A and above.
2. Using forced air cooling, when the rated current is 3150A and above.
Rated
current (A)
Rated short-
circuit breaking
current (kA)
Width of
matching
cabinet(mm)
Assorted
sizes
ofmoving
andfixed
contacts
Rated
current (A)
Contact
plum
The sizes of
fixed contact
17. 31 32
VD4(S)/P-12F
Dimensions of fixed type vacuum circuit breakerVD4(S)/P-12F Dimensions of fixed type vacuum circuit breakerVD4(S)/P-12F
A dimension, please confirm with my company.
Rated
current (A)
Rated short-
circuit breaking
current (kA)
1.Circuit breaker shall take the cooling cover, when the rated current is 2500A and above.
2.Using forced air cooling, when the rated current is 3150A and above.
3. A dimension, please confirm with my company.
Rated
current (A)
Rated short-
circuit breaking
current (kA)
18. 34
VD4(S)/P-12
No. Item Unit Technical data
33
1. Average opening velocity refers to the average speed after the circuit breaker contact just open for 6mm.
2. Average closing speed refers to the average speed of total contactor space.
3. When the rated short-circuit breaking current is less than 40KA,θ is 0.3s, When the rated short-circuit breaking
current is more than 40KA,θ is 180s.
Rated voltage
Rated
insulation
level
1min
frequency withstand voltage
Rated short time power
Rated lightning impulse
withstand voltage (peak)
Rated frequency
Rated current
Rated short circuit breaking current
Rated short time withstand current
Rated peak withstand current
Rated short circuit making current (peak)
4S thermal stability current
Rated dynamic stability current
Rated capacitor bank making inrush current
Rated single/back-to-back capacitor bank
breaking current
Rated short circuit duration
Secondary loop power frequency withstand voltage
Tripping time (rated voltage)
Dynamic, static contacts permit abrasion total thickness
Different period of three-phase break and close brake
The average opening velocity1
The average opening velocity2
Contact opening rebound amplitude
Closing time (rated voltage)
Energy storage time
Contact opening distance
Contacting travel
Contact bouncing time
Rated
operation
voltage
Energy storage motor
Closing coil
Tripping coil
The main circuit resistance
Rated operating sequence3
Mechanical life
12.5（The frequency is not more than 1000Hz)
(A)Rated current (μΩ)Handcart type (μΩ)Fixed type
2500 and above
Open -θ - Cose -180s - Cose
（50000 31.5KA and below ) 20000Times
Type
ZYJ55-1
DC110V
75 , 100
DC220V
Normal operational
voltage range
Electrical energy storage technology parameters
Rated voltage (V)
Rated electric
power (W)
85% ~ 110%
Rated voltage
Energy storage time of
the rated voltage (S)
≤ 15
DC220 DC110 DC220 DC110 DC220 DC110 DC220 DC110
1.1 2.2 1.1 2.2 25 mA 9.1 mA
242 242 242 242 2.7 1.0
85%～110% － －
Technical parameters of closing, tripping electromagnet and related electrical components
Rated operational
voltage (V)
Rated operational
current (A)
Rated electric
power (W)
65%～120% of rated voltage,
When less than 30% of rated
voltage,theswitchcannotopen.
Item
Category Closing electromagnet Tripping electromagnet Latching electromagnet Anti jump relay
Normal working
voltage range Rated voltage (V)
AC 220V / 110V
DC 220V / 110V 3.5 / 5 / 7.5 / 10
The secondary control loop scheme combination
With electric
lockout / Without
electric lockout
With anti-jump
relay / Without
anti-jump relay
With under voltage
tripping / Without
under voltage
tripping
With over current
trip / Without over
current trip
Over current
trip numbers
Two over current
/three over current
Action current
value
Control voltage Blocking scheme Anti-jump scheme
Under voltage
tripping scheme Overcurrent trip scheme
19. 35 36
VD4/P-24
Indoor high voltage vacuum circuit breaker
The structure of circuit breaker is
with integral layout
Spring operating mechanism and the circuit
breaker body part are with integrated design.
Primary main circuit and mechanism adopt
forth, back layout form, main circuit parts lay
behind the circuit breaker, spring operating
mechanism lays in front of the circuit breaker,
handcart advancing mechanism is located
below the circuit breaker, It has the advantage
of compact structure, rational layout, machine
size small.
Good interchangeability and adaptability
of the handcart
Handcart type dimensions of VB-24 series of
indoor high voltage vacuum circuit breaker is
completely consistent with VD4-24 handcart
type vacuum circuit breaker ABB produces,can
realize complete interchangeability between
military vehicle, thus it is of strong adaptability,
wide application range. Adapt cabinet type for
VB-24 series of handcart type vacuum circuit
breaker is the KYN port of - 24 – mid-set type
high voltage switchgear.
The main circuit adopts the structure of
sleeve type or solid sealed type structure
·The main circuit of VB-24 series of indoor high voltage vacuum circuit breaker divided into the
structure of sleeve type or solid sealed type, which can be conveniently selected by user according
to different places.
·Sleeve type structure: the primary main circuit vacuum interrupter of circuit breaker is arranged
in a sealed insulating cylinder. The insulating cylinder uses epoxy resin material which is mechanical
performance reliable, and molding by the use of advanced APG technology. The insulating tube
not only plays a supporting role to install, but also have the function of phrase to phrase insulation
and phrase to earth insulation. The design of the insulating tube considering the requirements
of national standards and the use of harsh working conditions, not only can prevent vacuum inte-
rrupter being influenced by the external environment, dust and foreign matter from entering the
main loop section, but also can ensure even in hot and humid and serious pollution condition,
showing high resistance to voltage effect.
·Solid sealed type structure: primary conductive circuit of circuit breaker uses solid sealed pole
of solid insulation technology, the solid sealed pole make primary conductive loop and other
parts of the vacuum interrupter directly and fixedly sealed in special epoxy resin material, to
form a main circuit module.
Reliable integrated spring operating
mechanism
·Spring operating mechanism of VB-24 series
outdoor high-voltage vacuum circuit breaker
is the plain layout one with manual energy
storage and electric energy storage function,
machine size is small, the whole circuit
breaker has good stiffness, operating perfor-
mance is consistent from beginning to end.
·Main transmission structure of the operating
mechanism of VB-24 series of indoor high
voltage vacuum circuit breaker is the exten-
sion of mature 12kV VBM series actuator.
Main transmission reliability has experience
of tens of thousands of production, operation.
The complete circuit breaker is of action
stability, high reliability.
Mid-set handcart structure
·VB-24 series of indoor high vacuum voltage
circuit breaker using middle handcart type
structure design, to make the machine have
the advantages of small volume, compact
structure, good rigidity, flexible movement,
with high precision. The kind of structure design
improved the reliability of movable electrical
connection between the breaker handcart and
switchgear and the thermal dynamic stability
of the whole switchgear.
·The handcart of VB-24 series of high voltage
vacuum circuit breaker is the extension of
handcart chassis technology of 12kV VBM
series actuator; adopt screw propulsion mech-
anism, accurate movement, with reliable mec-
hanical interlock system.
VB-24 series indoor high-voltage vacuum circuit breaker is with fixed type and handcart type,
two kinds of installation way, can be very convenient to realize reliable mechanical interlocking
"five prevention". It can be directly mounted on the various fixed type switch cabinet, also be
equipped with removable switchboard in all types of hand car.
Flexible installation way
20. 842
850
275 275 16
8
I
2:1
15
89
15
785
310
325
462
747 50
4
21.543.5
300 0
-3
126
72
45
1
14.5 14.5852
790
19
842
45
1
14.514.5 853
790
19
830
310
345
89
15
126
72
21.543.5
4
747 50300 0
-3
462
850
275 275 16
8
I
2:1
15
External Dimen sion s
630~1250
20~31.5
1000
CT-24
35
1600 1600~2500
20~31.5
1000
CT-36 CT-48
55 79
37 38
VD4/P-24
The dimension of VD4/P-24 sealed vacuum circuit breaker (hand car) The dimension of VD4/P-24 sealed vacuum circuit breaker (hand car)
Trip 8~10
Rated current (A)
Rated short circuit breaking current (kA)
The width of the matching cabinet (mm)
Dynamic and static contact with the size
Contact plum
The static contact size (mm)
Trip 8~10
Rated current (A)
Rated short circuit breaking current (kA)
The width of the matching cabinet (mm)
Dynamic and static contact with the size
Contact plum
The static contact size (mm)
21. 39 40
VD4/P-24
Trip 8~10
Trip 8~10
The dimension of sleeve type vacuum circuit breaker (handcart type)VD4/P-24
Rated current (A)
Rated short circuit breaking current (kA)
The width of the matching cabinet (mm)
Dynamic and static contact with the size
Contact plum
The static contact size (mm)
The dimension of sleeve type vacuum circuit breaker (handcart type)VD4/P-24
Rated current (A)
Rated short circuit breaking current (kA)
The width of the matching cabinet (mm)
Dynamic and static contact with the size
Contact plum
The static contact size (mm)
22. Times
Times
41 42
The dimension of sealed vacuum circuit breaker (fixed)VD4-24F
VD4-24F VD4-24F
Rated operation voltage
No. Item Unit Technical data
Rated voltage
Rated
insulation
level
1min
frequency withstand voltage
Rated short time power
Rated lightning impulse
withstand voltage (peak)
Rated frequency
Rated current
Rated short circuit breaking current
Rated short time withstand current
Rated peak withstand current
4S thermal stability current
Rated dynamic stability current
Rated single/back-to-back capacitor bank
breaking current
Rated short circuit duration
Secondary loop power frequency withstand voltage
Short-circuit breaking current breaking times
Rated capacitors close inrush current
Mechanical life
Rated short-circuit closing current (peak)
Rated operating sequence
Energy storage time
Contact opening distance
Contacting travel
Interphase center distance
Contact bouncing time
Different period of three-phase break and close brake
The average opening velocity1
The 2average closing speed
Closing time
Breaking time
Contact opening rebound amplitude
Dynamic, static contact allowed to wear thickness
The main circuit resistance
1. Average opening velocity refers to the average speed after the circuit breaker contact just open for 6mm.
2. Average closing speed refers to the average speed of total contactor space.
12.5（The frequency is not more than 1000Hz)
Rated current(μΩ)Fixed type(μΩ)Handcart type
2500A and above
23. 43 44
VD4-36
Indoor high voltage vacuum circuit breaker
VB(G)-40.5 type series of indoor high-
voltage vacuum circuit breaker independ-
ently developed by our company is the
leading domestic level of a new generation
of 12kV vacuum circuit breaker, Its main
feature is that the main circuit is installed
in the full sealed three-phase insulating
cylinder the operation mechanism and the
main circuit was of before and after layout
The operating mechanism is new-type
spring one, which is independently re-
searched and developed by my company,
has the advantages of simple structure,
reliable action.
General Principals
Every technical parameter VB(G)-40.5
type series of high-voltage vacuum
circuit breaker is completely complied
with GB1984、GB/T11022 ,China power
Industry standard DL 403, at the same
time also meet the standard,IEC62271-
100 IEC56 and the related standard
provisions of other major industrialized
countries.
Standard
VB(G)-40.5 type series of indoor high
voltage vacuum circuit breaker has
passed the following tests to ensure
the security of operation.
Test
·Type tests: power frequency withstand
voltage, lightning impulse withstand
voltage, temperature rise, short time
and peak withstand current, short
circuit current switching capability
mechanism life etc.
·Factory routine test: The mechanical
performance test, the main circuit power
frequency withstand voltage test, auxi-
liary and control circuit insulation per-
formance test, the main loop resis-
tance test, interlock operation test,
mechanical and electrical operation test.
VB(G)-40.5 type series of indoor high
voltage vacuum circuit breaker can be
widely used in Power plant, power net-
work, metallurgical, petrochemical, city
infrastructure such as airports, buildings,
subway project.
VB-40.5 series of indoor high voltage
vacuum circuit breaker in the distribution
system can be applied to the control and
protection of cables, overhead transmission
line, transformer, motor, generator, and
capacitor bank.
Application range Safety of operation
VB-40.5 series of indoor high voltage
vacuum circuit breaker owns perfect
mechanical & electrical interlocking
device, it is also with high operation
reliability and service life, matching
with the suitable switchgear to complete
safe distribution function, ensure the
safety of the operator and the equipment.
The dimension of VD4-36 sleeve type vacuum circuit breaker
Ground
contact
The wheel bottom to the
hole center location
Circuit breaker
locating pin
The locating pin to
panel distance
The dimension of sealed vacuum circuit breakerVD4-36
Ground
contact
The wheel bottom to the
hole center location
Circuit breaker
locating pin
The locating pin to
panel distance
Rated
current (A)
Rated short-circuit
breaking current (kA)
The sizes of
fixed contact (mm)
Contact plum
VD-36
24. Type
ZYJ55-1
DC110V
100
DC220V
Normal operational
voltage range
Electrical energy storage technology parameters
Rated voltage (V)
Rated electric
power (W)
85% ~ 110%
Rated voltage
Energy storage time of
the rated voltage (S)
≤ 15
45 46
VD-36
Rated operation voltage
Rated short circuit breaking current
Rated short time withstand current
Rated peak withstand current
4S thermal stability current
Rated dynamic stability current
Rated single/back-to-back capacitor bank
breaking current
Rated short circuit duration
Secondary loop power frequency withstand voltage
Short-circuit breaking current breaking times
Rated capacitors close inrush current
Mechanical life
Rated short-circuit closing current (peak)
Rated operating sequence
Energy storage time
Contact opening distance
Contacting travel
Interphase center distance
Contact bouncing time
Different period of three-phase break and close brake
The average opening velocity1
The 2average closing speed
Closing time
Breaking time
Contact opening rebound amplitude
Dynamic, static contact allowed to wear thickness
The main circuit resistance
No. Item Unit Technical data
Rated voltage
Rated
insulation
level
1min
frequency withstand voltage
Rated short time power
Rated lightning impulse
withstand voltage (peak)
Rated frequency
Rated current
Times
Times
12.5（The frequency is not more than 1000Hz)
Rated current(μΩ)Handcart type
1250A and below
2500A and above
DC220 DC110 DC220 DC110 DC220 DC110 DC220 DC110
1.1 2.2 1.1 2.2 25 mA 9.1 mA
242 242 242 242 2.7 1.0
85%～110% － －
Technical parameters of closing, tripping electromagnet and related electrical components
Rated operational
voltage (V)
Rated operational
current (A)
Rated electric
power (W)
65%～120% of rated voltage,
When less than 30% of rated
voltage,theswitchcannotopen.
Item
Category Closing electromagnet Tripping electromagnet Latching electromagnet Anti jump relay
Normal working
voltage range Rated voltage (V)
AC 220V / 110V
DC 220V / 110V 3.5 / 5 / 7.5 / 10
The secondary control loop scheme combination
With electric
lockout / Without
electric lockout
With anti-jump
relay / Without
anti-jump relay
With under voltage
tripping / Without
under voltage
tripping
With over current
trip / Without over
current trip
Over current
trip numbers
Two over current
/three over current
Action current
value
Control voltage Blocking scheme Anti-jump scheme
Under voltage
tripping scheme Overcurrent trip scheme
1. Average opening velocity refers to the average speed after the circuit breaker contact just open for 12mm.
2. Average closing speed refers to the average speed of 12mm contactor space.
