



Gewiss GW44221 GWPLAST 75 Grey Weatherproof Junction Box L:460mm x H:380mm x D:180mm With Smooth Walls & Deep Screw-On Hinged Lid IP56
GW44221
Gewiss GW44221 GWPLAST 75 Junction Box – IP56 Grey Weatherproof Enclosure with Smooth Walls & Deep Hinged Lid (460 x 380 x 180mm)
The Gewiss GW44221 from the GWPLAST 75 range is the largest in the series—an IP56-rated, surface-mounted junction box designed for demanding installations. With a deep, screw-on hinged lid and robust halogen-free construction, it provides a secure and spacious housing solution for transformers, terminals, control gear, and other electrical devices.
- IP56-Rated Protection: Ensures excellent resistance against dust and high-pressure water, perfect for outdoor, industrial, and wet areas.
- Maximum Internal Capacity: 460mm (L) x 380mm (H) x 180mm (D) internal space for accommodating large or multiple components in a single enclosure.
- Smooth Wall Design: Allows for flexible cable entry—custom drill points support up to 48mm Ø holes for tailored installations.
- Secure 6-Screw Hinged Lid: Deep lid design with six insulated, sealable screw fixings provides added security and maintenance access.
- Halogen-Free Technopolymer: Fire-retardant, self-extinguishing material offers safety and compliance in high-spec installations.
Technical Specification
- Product Code: GW44221
- Material: Halogen-free technopolymer
- Protection Rating: IP56
- Dimensions (LxHxD): 460mm x 380mm x 180mm
- Lid Type: Deep screw-on hinged lid with 6 fixing screws
✅ Choose the Gewiss GW44221 for maximum enclosure volume and secure, weatherproof protection in the most demanding electrical installations.

Ean Code | 8011564013926 |
Range | Gewiss GWPLAST 75 |
Product | Weatherproof Junction Boxes & Enclosures |
Type | Rectangular |
Ingress Protection | IP56 |
Colour | Grey |
Length | 460 mm |
Mounting | Surface |
Width | 380 mm |
Depth | 180 mm |
C/w Door/lid | Y |
Door/lid Type | Hinged |
Description | c/w (6) Insulated Sealable Deep Screwed Lid |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.