



Crabtree 4551/ELT Rockergrid 2 Way 1 Module Single Pole Grid Key Switch Marked EMG LTG TEST 20A
4551/ELT
Crabtree 4551/ELT Rockergrid 1 Module Key Switch – EMG LTG TEST, 2 Way, 20A Single Pole, Secure Emergency Lighting Control
The Crabtree 4551/ELT Rockergrid Key Switch is purpose-built for emergency lighting test circuits. Clearly marked ‘EMG LTG TEST’, this key-operated switch offers secure control, 2 way functionality, and robust safety features for professional grid installations.
- EMG LTG TEST Marking: Clearly labelled for emergency lighting test use to ensure correct identification on site.
- Key Operated Security: Supplied with key to restrict operation and maintain compliance in controlled environments.
- 2 Way Switching: Enables circuit control from multiple locations within a system.
- 20A Rating: Suitable for higher current switching applications in commercial or emergency systems.
- Labyrinth Safety Design: Prevents front access to live parts and minimises arc flash for improved safety.
Technical Specification
- Operation: 2 Way
- Type: Single Pole, Key Operated
- Marking: EMG LTG TEST
- Current Rating: 20A
- Standards Compliance: BS EN 60669-1
✅ Choose the Crabtree 4551/ELT for reliable, secure control of emergency lighting test circuits in modular grid systems!

Ean Code | 5017399107109 |
Range | Crabtree Rockergrid |
Product | Gridswitch Module |
Type | Key Switch EMG Test Module |
Number Of Gangs | 1 |
Current Rating | 20 A |
Ways | 2 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.