



Crabtree 4451 Rockergrid 1 Way 1 Module Single Pole Grid Key Switch 20A
4451
Crabtree 4451 Rockergrid 1 Module Key Switch – 1 Way, 20A, Secure & Modular Control with Key Access
The Crabtree 4451 Rockergrid Key Switch offers secure circuit control with keyed operation, making it ideal for restricted access environments. With a 20A rating and safety-focused design, it’s built for dependable use in professional modular installations.
- Key Operated Control: Supplied with key for restricted switching in authorised-only areas.
- 1 Way Single Pole: Provides simple ON/OFF switching with secure user access.
- High Current Rating: Rated at 20A, suitable for demanding loads and controlled environments.
- Safe Labyrinth Mechanism: Minimises arc flash and prevents front access to live components.
- Grid Modular Design: Fits Rockergrid and Capital grid systems for a consistent professional finish.
Technical Specification
- Operation: 1 Way
- Type: Single Pole, Key Operated
- Current Rating: 20A
- Module Size: 1 Module
- Standards Compliance: BS EN 60669-1
✅ Install the Crabtree 4451 Key Switch for secure, high-performance switching in controlled-access areas!

Ean Code | 5017399009335 |
Range | Crabtree Rockergrid |
Product | Gridswitch Module |
Type | Key Switch Module |
Number Of Gangs | 1 |
Current Rating | 20 A |
Standards | BS EN 60669-1 |
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.