



Deta G3559 Gridswitch White 1 Way 1 Module Double Pole Grid Switch Marked 'Boiler' 20A
G3559
Deta G3559 Gridswitch White 1 Way 1 Module Double Pole Grid Switch Marked 'Boiler' 20A
The Deta G3559 is a dedicated double pole switch marked ‘BOILER’, designed for isolating boiler circuits in grid switch installations. This reliable and clearly labelled unit supports safe disconnection and blends seamlessly with modular wiring systems.
- Clearly Marked Function: Engraved with ‘BOILER’ in grey text for easy identification of the circuit.
- Double Pole Switching: Safely isolates both live and neutral for full circuit disconnection.
- Simple Installation: Front-loading module fits directly into grid frames with no need to remove the frame.
- X-Rated Contact: Suitable for fluorescent loads without de-rating, offering greater application flexibility.
- Installer Focused: Clear terminal markings and requires only a 4mm screwdriver for installation.
Technical Specification
- Type: Double Pole Switch
- Rating: 20A
- Marking: ‘BOILER’ (grey engraving)
- Module Size: 1 Module
- Compliance: BS EN 60669-1
✅ Choose the Deta G3559 for safe, clear, and code-compliant control of boiler circuits within grid switch systems.

Ean Code | 5016211135597 |
Range | Deta Gridswitch |
Product | Gridswitch Module |
Type | Double Pole Module |
Number Of Gangs | 1 |
Warranty | 25 Years |
Pole Configuration | Double Pole |
Current Rating | 20 A |
Standards | BS EN 60669-1 |
Neon Indicator | N |
Face Colour | White |
Ways | 1 Way |
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.