GEWISS GW40103 40 CD series electrical enclosure front view
GEWISS GW40103 40 CD series electrical enclosure front view

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Gewiss

GEWISS GW40103 12 Module IP65 Surface Mount Enclosure

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Gewiss GW40103 12 Module IP65 Surface Mount Enclosure

The Gewiss GW40103 is a 12-module surface-mounted enclosure from the 40 CD range. It houses DIN-rail (EN 50022) modular devices such as MCBs, RCDs and isolators. Its IP65 rating makes it dust-tight and protected against water jets, and IK09 impact resistance suits exposed outdoor locations. A smoked transparent door lets you check breaker positions without opening it, and the smooth-walled grey body is pre-arranged to take a terminal block.

Is this the right one for me?

  • Choose it to house up to 12 single-module devices (a double-pole breaker uses 2 modules, a 4-pole device uses 4).
  • Check that your wall space suits the 298 x 260 x 140 mm (W x H x D) outer size.
  • For fewer devices, the 8-module GW40102 is smaller. For sheltered indoor use, the IP55 GW40005 is a lower-cost option.
  • Breakers and terminal blocks are not included and are bought separately.

Key Features

  • 12 DIN-rail modules (EN 50022)
  • IP65 dust-tight and water-jet protection, IK09 impact resistance
  • Smoked transparent door
  • Rated 400V, 125A; double insulation (Class II)
  • Grey RAL 7035, halogen-free (EN 60754-2), glow wire tested to 650ยฐC
  • Pre-arranged for a 1 x 12-module terminal block; certification label (CEI 23-51) supplied

Technical Specifications

Brand Gewiss
Model GW40103
Range 40 CD
Modules 12 (EN 50022 DIN rail)
IP rating IP65
Impact resistance IK09
Outer dimensions (W x H x D) 298 x 260 x 140 mm
Door Smoked transparent
Max. terminal blocks 1 x 12 modules
Rated voltage 400 V
Rated current 125 A
Insulation voltage 1000 V (EN 62208)
Insulation class Class II (IEC 61140)
Dispersible power 26 W (CEI 23-49)
Operating temperature -25ยฐC to +60ยฐC
Colour Grey RAL 7035
Material Halogen-free (EN 60754-2)
Glow wire test 650ยฐC
Standards EN 60670-1, IEC 60670-24, CEI 23-49
Installation Surface mount

Applications

  • Outdoor sub-boards for villa gardens, pools and gate automation
  • Rooftop and plant-area circuits exposed to dust and washing
  • Car parks, loading bays and warehouses
  • Photovoltaic installations, used with Gewiss GW44621 surface-mounting brackets

FAQ

How many breakers fit in GW40103?
It takes 12 modules, for example twelve single-pole MCBs or six double-pole devices.

Can I see the breakers without opening the door?
Yes. The door is smoked transparent, so breaker positions are visible from outside.

What is the difference between IP65 and IP55?
IP65 is fully dust-tight, while IP55 is dust-protected. Both resist water jets, so IP65 is the better choice for dusty or exposed outdoor sites.

Can I install it myself?
Fixing the box is simple, but wiring breakers into a fixed circuit should be done by a licensed electrician, especially for DEWA-notifiable work.

Orders placed before 12 PM (UAE time) are dispatched the same business day and delivered in 1โ€“2 business days across the UAE. Delivery is free on orders over AED 200; below that it costs AED 15. International shipping is charged by weight at checkout, and international orders cannot be returned. Read our Shipping Policy and Refund Policy.

Gewiss datasheet (PDF)