The document discusses requirements for operating electrical switching devices outdoors, including:
- Weather and environmental influences require protection of switching devices through enclosures rated to a minimum IP protection class.
- Enclosures must protect against ingress of dust, water, and foreign objects depending on the pollution degree specified by the manufacturer.
- Additional measures like heating may be needed to prevent condensation or temperatures below the device limits.
- Ventilation could also be required for devices that generate significant heat.
- The document provides guidelines for selecting properly rated enclosures and accessories to safely operate switching devices in outdoor installations.
Elektro Tipp: When does a box start to sweat? Condensed water in enclosures with a high degree of protection?
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Passion for Power!!!
Elektro Tipp: When does a box start to sweat? Condensed water in enclosures with a high degree of protection?
To know more information click here: http://hensel.in
Flame retardant is good, self-extinguishing is better!
Fire safety requirements for electrical installation material for faults in electrical products.
To Know more details click here: http://www.hensel.in
Passion for Power!!!
320W 24V Waterproof LED Power supplies for outdoor lighting fixtures, LED tunel lights, LED floodlights, led projector,led wall washer lights, LED linear lighting........illuminated signs, slim light box, facade lighting, led growlights....... IP67 Waterproof level, full sealed with silicon gel. used for wet and damp conditions.
100W 24V Waterproof LED Power supplies for outdoor lighting fixtures, LED tunel lights, LED floodlights, led projector,led wall washer lights, LED linear lighting........illuminated signs, slim light box, facade lighting, led growlights....... IP67 Waterproof level, full sealed with silicon gel. used for wet and damp conditions.
Spacial, Thalassa, ClimaSys Universal enclosures BriefingSchneider Electric
Discover more about Universal Enclosures and how to select the one you need.
For more information:
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240W 24V Waterproof LED Power supplies for outdoor lighting fixtures, LED tunel lights, LED floodlights, led projector,led wall washer lights, LED linear lighting........illuminated signs, slim light box, facade lighting, led growlights....... IP67 Waterproof level, full sealed with silicon gel. used for wet and damp conditions.
30W 24V Waterproof LED Power supplies for outdoor lighting fixtures, LED tunel lights, LED floodlights, led projector,led wall washer lights, LED linear lighting........illuminated signs, slim light box, facade lighting, led growlights.......
IP67 Waterproof level, full sealed with silicon gel. used for wet and damp conditions.
320W 24V Waterproof LED Power supplies for outdoor lighting fixtures, LED tunel lights, LED floodlights, led projector,led wall washer lights, LED linear lighting........illuminated signs, slim light box, facade lighting, led growlights....... IP67 Waterproof level, full sealed with silicon gel. used for wet and damp conditions.
100W 24V Waterproof LED Power supplies for outdoor lighting fixtures, LED tunel lights, LED floodlights, led projector,led wall washer lights, LED linear lighting........illuminated signs, slim light box, facade lighting, led growlights....... IP67 Waterproof level, full sealed with silicon gel. used for wet and damp conditions.
Spacial, Thalassa, ClimaSys Universal enclosures BriefingSchneider Electric
Discover more about Universal Enclosures and how to select the one you need.
For more information:
http://www.schneider-electric.com/en/product-category/5800-enclosures-and-accessories/?filter=business-1-industrial-automation-and-control
240W 24V Waterproof LED Power supplies for outdoor lighting fixtures, LED tunel lights, LED floodlights, led projector,led wall washer lights, LED linear lighting........illuminated signs, slim light box, facade lighting, led growlights....... IP67 Waterproof level, full sealed with silicon gel. used for wet and damp conditions.
30W 24V Waterproof LED Power supplies for outdoor lighting fixtures, LED tunel lights, LED floodlights, led projector,led wall washer lights, LED linear lighting........illuminated signs, slim light box, facade lighting, led growlights.......
IP67 Waterproof level, full sealed with silicon gel. used for wet and damp conditions.
200W 24V Waterproof LED Power supplies for outdoor lighting fixtures, LED tunel lights, LED floodlights, led projector,led wall washer lights, LED linear lighting........illuminated signs, slim light box, facade lighting, led growlights....... IP67 Waterproof level, full sealed with silicon gel. used for wet and damp conditions.
EXD Hazardous Area Barrier Glands from Flexicon are manufactured from nickel plated brass with a nylon seal, to an IP rating of IP66, IP67, IP68 (5bar) and IP69K - ATEX certified barrier glands are suitable for use with Flexicon flexible conduit (liquid tight types) in Zone 1, Zone 2, Zone 21 and Zone 22.
EXD flameproof barrier glands are suitable for use in Zone 1, Zone 2, Zone 21 and Zone 22 hazardous areas, when used with the Flexicon range of liquid-tight flexible conduits.
Hazardous Area Barrier Gland (ATEX) Certified
• High mechanical strength
• Suitable for threaded entries
• Operating temperature of -60oC to +85oC
• Two-part epoxy solid-setting putty, gloves and mixing instructions
ATEX barrier glands for indoor or outdoor use in Zone 1, Zone 2, Zone 21 and Zone 22 Hazardous Areas with all types of cables housed in Liquid Tight flexible conduit systems. ATEX barrier glands are suitable for knockouts or threaded entries. Nickel plated brass compression fitting comprising of body, nut, earthing ferrule, nylon compression seal and compound barrier. The compound barrier seals around the cable conductors for hazardous area cable glanding on conduit systems. The earthing ferrule is manufactured in machined nickel plated brass to facilitate easy assembly and re-use. Also ensures high mechanical strength and electrical continuity.
Flexicon flexible conduits with ATEX flameproof barrier glands (LTP-EXD flameproof barrier glands) are suitable for use with Flexicon LTP, LTPHC, LTPUL, LTPSS and LTPPU conduits.
Cross Technical Solutions is an Irish company Specialising in the design, Installation, Service and Maintenance of Specialist Refrigeration systems.
Established with the Pharmaceutical & Food Industry and specialist refrigeration fields in mind we can provide a complete ‘Turn-Key’ package using in-house engineers and the latest design and drawing packages.
150W 24V Waterproof LED Power supplies for outdoor lighting fixtures, LED tunel lights, LED floodlights, led projector,led wall washer lights, LED linear lighting........illuminated signs, slim light box, facade lighting, led growlights....... IP67 Waterproof level, full sealed with silicon gel. used for wet and damp conditions.
Proxcelo was founded on 20+ years of technical expertise in the cooling industry. More than that, it was established on
years of listening to our customers. Listening with an innovative mind have created the opportunity to build a
revolutionary product to match variety of our customer’s needs.
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The Elektro Tipp - Mi Power Distribution Boards
1. Felix G. Hensel
Managing partner of
Gustav Hensel GmbH & Co. KG
Collection
of
new
ideas
in
the
Electrotechnical
Industry
The ELEKTRO
Customer Information for Electro-technical Specialists
Dear Reader,
our years of experience related to
electrical installation and distributi-
on systems in demanding environ-
ments provide us and our clients
always a great challenge.
This depends certainly on the fact
that you automatically assume that
Hensel products prove themselves
in difficult environmental conditions
and the installed devices will work
without difficulties - not only indoors
but also in outdoor installations. This
confidence honors us and encoura-
ges us to look for better and safer
solutions!
This includes not only an excellent
enclosure quality, but also the ne-
cessary system accessories that are
essential for long-lasting operating
functions. This is supported by an
intelligent selection table for rapid
decision making.
We look forward to a fruitful and a
challenging cooperation with you.
Sincerely
1/2013
How must an enclosure be constructed for the
operation of electrical devices in outdoor installations?
enclosure.
For a continuous and troublefree
operation the special climatic in-
fluences and effects on the equip-
ment are to be considered in addi-
tion to the requirements for indoor
installations.
No electrical equipment and
switching device can be used out-
doors without protection. Enclo-
sures protect electrical equipment
against external influences. There-
by the installed device determines
the minimum requirements for the
Are super-tight enclosures
safe to operate outdoors?
Operation of switching devices in outdoor
installations
Why doesn‘t the system
operate? The distributor
has already got
IP 65!
2. Operation of switching devices in outdoor installations:
What outdoor influences cause any effect and what
requirements are to be considered?
Weather-related
or
ambient influences
Characteristic feature
of the switching device,
for example miniature circuit breaker
Minimum requirements
for enclosure
here: to protect the MCB against
external influences
Dust Pollution degree 2
„It occurs only non-conductive polluti-
on. However a temporary conductivity
caused by condensation must be
expected.“
Protection of the housing must be so
high that the permissible pollution of
the switching device is not exceeded;
here: at least IP 5X
foreign bodies (f.example insects)
IP 2X
protection against ingress of solid
foreign objects
≥ 12.5 mm Ø
≥ IP 4X
Protection against ingress of solid
foreign objects ≥ 1 mm Ø
(Minimum requirements of DIN VDE 0100 Part 737)
Water: Rain/snow
IP X0
no protection
≥ IP X3
Protection against ingress of water
(Min. requirements of DIN VDE 0100 Part 737)
suitable for harsh environment and/or
outdoor installation
(Follow manufacturer‘s instructions)
Sun: UV radiation
No specification,
as devices are not tested
for UV resistance
UV resistant material
(Follow manufacturer‘s instructions)
Sun: Heat
max. 55° C
ambient temperature
at switching device
Any heat that is generated needs
to be effectively dissipated,
ventilate housing, if necessary,
or choose larger housing
Frost/cold
max. -5° C
ambient temperature
at switching device
Cold-resistant material,
housing may be heated
Humidity (condensation)
93 % at 40 °C
20 % at 55 °C
according to DIN 40046
Reduce condensation,
ventilation by pressure compensation
or heating
Weather and environmental influences determine the selection of an enclosure,
regarding the switching devices to be installed!
Switching devices, this includes for exam-
ple switches, terminals, fuses and trans-
formers, are generally not suitable for un-
protected outdoor installation. Their rating
is dependent on the ambient conditions.
Possible contamination, combined with
moisture, reduce the electrical insulation
properties of the devices.
Weather and environmental influences,
therefore, require the protection of switch-
ing devices by a housing.
Basically, the general requirements apply
as for indoor installations, for example as
the protection against electric shock is re-
garded.
When installed outdoors, however, ad-
ditional requirements must be observed.
3. Enclosures properly selected for operat-
ing switching devices outdoors:
Conclusion:
The safe operation of a switching device in outdoor installations requires enclosure systems
and system accessories for additional measures in order to counteract effects of the weather.
Not only the immediate vicinity of a
switching device, the installation also de-
termines the amount of pollution such as
conductive dust and humidity and thus
influences the creepage distances.
Under the influence of moisture, contami-
nation is conductive.
Pollution caused by water deposits,
soot, metal or coal dust is always con-
ductive.
The pollution of the switching device
can be reduced , by the use of housings
(enclosures), encapsulation or hermetic
seals.
This protection may be ineffective if the
equipment is exposed to condensation
or if it produces the pollution itself under
normal operating conditions.
Pollution degree 2
(specified by the manufacturer)
”It only occurs non-conductive pollution.
Sometimes a temporary conductivity caused by
condensation must however be expected“
DIN VDE 0110-1
Additional
measures for heat
dissipation are
NOT required
> 55°C
Ambient tem-
perature at
the switching
device
Choose larger
enclosure for
improved heat
dissipation
No venting to
prevent illegal re-
duction of degree
of protection.
NO
NO NO
Required protection provided by enclosures for compliance
with the degree of pollution:
≥ IP 5X protection against the ingress of foreign bodies (dust) and
≥ IP X3
protection against ingress of water with harmful effects
(Minimum requirements of DIN VDE 0100 Part 737)
Enclosure at least degree of protection IP 53
≥ IP 53
+ heating
—
≥ IP 53
—
—
Changes
in temperature
or high power
dissipa-
tion?
-5°C
Ambient tem-
perature at
the switching
device
additional
heating
Pollution degree 3
(specified by the manufacturer)
”Conductive pollution occurs or dry non-conduc-
tive pollution which becomes conductive due to
expected condensation.“
DIN VDE 0110-1
55°C
Ambient tem-
perature at
the switching
device
Additional
measures for heat
dissipation are
NOT required
NO YES
NO
YES
ventilation for
better heat
dissipation
additional
heating
YES
NO
NO
Required protection provided by enclosures to comply with the pollution
degree according to DIN VDE 0100-737 at least:
≥ IP 4X
protection against solid bodies larger than 1mm and
≥ IP X3
protection against ingress of water with harmful effects
(Minimum requirements of DIN VDE 0100 Part 737)
Enclosure at least degree of protection IP 43
IP 43
+ heating
—
IP 43
—
—
IP 43
+ heating
+ ventilation /
pressure com-
pensation
IP 43
—
+ ventilation /
pressure com-
pensation
additional
heating
-5°C
Ambient tem-
perature at
the switching
device
Changes
in temperature
or high power
dissipa-
tion?
-5°C
Ambient tem-
perature at
the switching
device
YES
YES
YES
YES
Switching devices
Pollution de-
gree specified
by the manu-
facturer
4. Delivery in India via Hensel authorized
distributor network
spanning 130 cities and industrial centers.
Delivery in South East Asia via Hensel authorized distributor
network in all ASEAN countries.
Distribution boards
Combinable enclosure system
with door up to 250 A, IP 65
DK Cable junction boxes
1.5 to 240 mm
2
, IP 54-67
KV Small-type distribution
boards up to 63 A,
3 to 54 modules, IP 54- 65
Mi Distribution boards
up to 630 A, IP 54-65
Cable entry systems
Photovoltaik distributors
that meet the standards
Construction board panels
up to 630 A, IP 44-65
R. Rajesh
Managing Director
Hensel Electric India
Pvt Ltd
info@hensel-electric.in
www.hensel.in
Sunguvachathram
-
Walajabad
Road
4th
km
behind
Samsung/Flextronics
Sriperumbudur
-
631
604
∙
Kanchipuram
Dist,
Tamil
Nadu
Phone:
+91-44-3727
0202
Fax:
+91-44-3727
0200
Email:
info@hensel-electric.in
∙
www.hensel.in
Hensel
Electric
India
Pvt
Ltd
Industrial
Electric
Power
Distribution
Systems
35
Kunnam
Village
Product information
ENYSUN - Safe product solutions for
Photovoltaic plants conforming to standards
Grid, on-grid and off-grid systems
More detailed information on this theme
Proceed to download at www.hensel.in!
Ventilation
Ventilation flange Mi BF 43
for ventilation of Mi distribution boards in the event of
extremely high internal temperatures or a risk of water
condensation
Degree of protection IP 43
Pressure compensation
Combi climate glands KBM .. / KBS ..
reduce condensation that may form through rapid
temperature changes or intense sun exposure
Degree of protection IP 66 / IP 67
Heating
Cabinet heater
for distributors in unheated rooms or outdoors. It should pre-
vent the formation of condensation. In outdoor installations
also an excessive drop of the interior temperature can be
prevented.
Protection
Canopy Mi DB ..
offers protection against rain, snow and ice
and dust
Mi Power Distribution boards up to 630 A
Combinable enclosure system, insulation-enclosed,
total insulated, degree of protection IP 65,
for the assembly of power switchgear and controlgear
assemblies (PSC) up to 630 A
in accordance with IEC 61 439 Part 2
Material durability for outdoor installation:
temperature resistant -40° C up to + 120° C,
UV resistant
Impact resistant IK 08, flame retardant
1
NEW
PASSION FOR POWER.
PV Generator junction boxes
Battery distributors
Solar inverter collectors
For all application areas of the new standard
IEC 60 364-7-712 (Draft)
Safe product solutions for Photovoltaic
plants conforming to standards
Grid, on-grid and
off-grid systems
Product information as at: 10/2011
Gustav Hensel GmbH Co. KG
Industrial Electrical Power Distribution Systems
Altenhundem
Gustav-Hensel-Straße 6
D-57368 Lennestadt, Germany
P.O. Box 1461
D-57344 Lennestadt, Germany
Phone:+49 (0)2723/609-0
Fax: +49 (0)2723/60052
E-Mail: info@hensel-electric.de
www.hensel-electric.de
The solution for reliability: Mi-distributors
with system accessories permanently
protect electrical equipment outdoors.