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FTL260
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Technical Datasheet
TD 00001E/24/EN/01.13
• Maintenance-free
• Stainless steel (fork 1.4571,
housing 1.4404)
• Unaffected by build-up, turbulences
and gas bubbles
Complete product information:
www.e-direct.us/ftl260
Specs at a glance:
• Product: Liquids
• Mounting:
Vessels or pipes (from DN50)
• Product density:
≥ 0.7 g/cm³ (0.7 SGU)
• Product temperature:
-40 to +300 °F (-40 to +150 °C)
• Product viscosity:
≤ 10000 mm²/s (10000 cSt)
• Process pressure:
-14.5 to +580 psi
(-1 to +40 bar)
Compact universal limit switch for liquids
Liquiphant T FTL260
$ 277.00
2. Liquiphant T FTL260:
programmable logic controller
(PLC), relay, solenoid valve or
AS-i bus
U~
U=
Liquiphant T FTL260 2
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Application / Function
Application The Liquiphant T FTL260
is a reliable point level switch for
liquids. It can be used in tanks and
pipes as pump protection and as an
alternative to float switches in storage
vessels. The FTL260 is unaffected by
build-up, turbulence and gases and
does not rely upon the electrical
properties of the liquid.
Application exampleFunction The integrated electronics
detect the change in the fork’s
vibrating frequency when they are
covered and uncovered by the liquid.
The FTL260 can be directly connected
to miniature contactors, solenoid
valves or to a PLC.
3. Liquiphant T FTL260 3
Application / FunctionOverview
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Technical data Dimensions
Output AC version
Power supply 19 to 253 V AC, 50/60 Hz when blocked
Current consumption Max. 4 mA (stand-by)
Connectable load Short-term (40 ms): max. 1.5 A, max. 375
VA at 250 V or max. 36 VA at 24 V (no
short-circuit protection);
continuous: max. 87 VA at 250 V, max. 8.4
VA at 24 V, min 2.5 VA at 250 V (10 mA),
min. 0.5 VA at 24 V (20 mA)
Voltage drop Across FTL260 max. 12 V
Residual current Max. 4 mA with open thyristor (stand-by)
Output DC version
Power supply 10 to 55 V, ripple max. 1.7 V, 0 to 400 Hz
Current consumption Max. 15 mA, reverse polarity protection
Connectable load Short-term (1s): max. 1 A, max. 55 V
(overload and short-circuit protection);
continuous: max. 350 mA
Residual voltage < 3 V (with closed transistor)
Residual current < 0.1 mA (with open transistor)
Operating conditions
Hysteresis Approx. 4 mm with vertical mounting from
top
Orientation As required
Ambient temperature -40 to +158 °F (-40 to +70 °C)
Temperature of
product
-40 to +300 °F (-40 to +150 °C)
Operating pressure -14.5 to +580 psi (-1 to +40 bar)
Density of product Min. 0.7 g/cm³ (0.7 SGU)
Viscosity of product Up to 10000 mm²/s (cSt)
Storage temperature -40 to +185 °F (-40 to +85 °C)
Climatic protection To IEC 68, part 2-38
Ingress protection With plug IP 67
with cable (5 m/16 ft) IP 68
Technical data Dimensions (in inches) and material
4.695.04
Switchpoint
Green LED:
operating mode
Flat seal
elastomer-fiber
Red LED to indicate
switching mode: circuit open
The switching function can be
checked externally by placing
a strong magnet on the housing
The plug housing can
also be fitted offset ±90° Installation according to instruction manual
1.4571
1.4404
AF 41G 1A PPSU
S N0.98
1.100.78
0.35
Ø1.57
0.75
General
Fail-safe mode Minimum or maximum fail-safe mode,
depending on load connection,
FTL260/AC never connect without load
(contacters, relays etc.)
Power failure Output closed
Weight Approx. 0.45 kg (0.99 lbs)
Standard 4-pole plug connection to DIN 43650-A, ISO
4400 with cable gland PG 11, for cable
diameters from 6 up to 9 mm (0.24 to
0.35"), max. wire cross section 1.5 mm²
With cable 5 m (16 ft) permanently att. cable, 4×0.75
mm²
Switching time Approx. 0.5 s when covered; 1.0 s when free
Approvals
WHG approval Overspill protection to §19 WHG (Germany)
Permissible values for temperature and pressure
pe
bar
TB
°C
TB
°C
TU
°C
-40 0 50 100 150
40
-40
-40
0 50 100 150
70
50
Ambient temperature Operating pressure
Permissible values for ambient
temperature TU
at housing are dependent
on the operating temperature TB
in the tank
Permissible values for operating pressure
Pe are dependent on the operating
temperature TB
in the tank
4. Liquiphant T FTL260 4
Application / FunctionOverview Technical data Dimensions
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Price table
More products to complete your measuring point …
Liquiphant FTL260 Order no. Price/pcs. in USD
Cable Entry Switch Output 1 to 5 6 to 10 11 to 35
Plug ISO4400 NPT½, NEMA4X 2-wire 19-253 V AC FTL260-3114 315.00 293.00 277.00
3-wire PNP 10-55 V DC FTL260-3124 315.00 293.00 277.00
Prices valid until 09.30.2013 in U.S. dollars per unit (not including shipping and applicable sales tax).
See Endress+Hauser, Inc. Terms and Conditions of Sale for shipping, tax, and payment terms.
Complete product information:
www.e-direct.us/ftl260
Electrical connection
+
+
R
R
Max.
Max.
Min.
Min.
N
PE PE
N
R
L1
L+
PE
L-
L+
PE
L-
R
L1
min.
19V
GNYE
BN
(BK) (2) 2
1 1BU
GNYE
BN
BK
BU
GNYE
(BN) (3)3
2 2
1 1
33
BK
BU
GNYE
BN
BK
BU
2
2 2
20
0 0
0
A1A1
0,5A
0,5A
AC version
DC version
Max. = maximum
safety circuit
Min. = minimum
safety circuit
2 = cable connection
BU = blue
BK = black
BN = brown
GNYE = green/yellow
0 = plug connection
R = external load
min.
19V
Positive signal at the switching output of Liquiphant (PNP)
FTL260/AC never connect without load!
Temperature switch
Thermophant T TTR31
Digital indicator
RIA46
Vibronic limit switch
Soliphant T FTM20
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Contact
E-direct
Endress+Hauser, Inc.
2350 Endress Place
Greenwood, IN 46143
Direct order
Internet www.e-direct.us
by phone 888-EH-DIRECT
(343-4732)
per Fax 317-535-8498
E-Mail e-direct@us.endress.com