



Crabtree 4451/ELT Rockergrid 1 Way 1 Module Single Pole Grid Key Switch Marked EMG LTG TEST 20A
4451/ELT
Crabtree 4451/ELT Rockergrid 1 Module Key Switch – EMG LTG TEST, 20A, Secure & Reliable Emergency Lighting Control
The Crabtree 4451/ELT Rockergrid Key Switch is purpose-built for emergency lighting test applications. Clearly marked ‘EMG LTG TEST’, this 20A switch offers secure key-operated control with enhanced safety and durability features—ideal for professional installations where reliability is critical.
- Emergency Lighting Test Marking: Clearly labelled for EMG LTG TEST use, ensuring correct identification during maintenance.
- Key Operated Access: Supplied with key to prevent unauthorised use and ensure controlled operation.
- Robust 20A Rating: Suitable for higher load switching with durable silver alloy contacts for extended service life.
- Positive Drive Mechanism: Prevents contact balancing and gives a reliable on/off indication for safety assurance.
- Labyrinth Safety Design: Minimises arc flash and blocks front access to live parts for safer operation.
Technical Specification
- Operation: 1 Way
- Type: Single Pole, Key Operated
- Current Rating: 20A
- Module Size: 1 Module
- Standards Compliance: BS EN 60669-1
✅ Choose the Crabtree 4451/ELT for secure and compliant emergency lighting test control in your grid installations!

Ean Code | 5017399115494 |
Range | Crabtree Rockergrid |
Product | Gridswitch Module |
Type | Key Switch EMG Test Module |
Number Of Gangs | 1 |
Current Rating | 20 A |
Standards | BS EN 60669-1 |
Ways | 1 Way |
Legend | EMERGENCY LIGHT TEST |
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.