



Wylex MCBDLX NH Series MCB Locking Device
MCBLDX
Wylex MCBDLX NH Series MCB Locking Device – Secure Isolation for MCBs & RCBOs
The Wylex MCBDLX NH Series Locking Device offers a practical safety solution for isolating Wylex MCBs and RCBOs. Designed for professional use, this device allows the circuit breaker to be locked in the ON or OFF position without interfering with its tripping functionality.
- Safe Isolation: Enables safe lock-off of MCBs and RCBOs to comply with isolation procedures.
- ON/OFF Locking Capability: Dolly can be secured in either the ON or OFF position while maintaining trip operation.
- Simple to Fit: Designed specifically for Wylex NH Series for quick and secure attachment.
- Reliable Design: Maintains full breaker functionality even when locked off.
- Padlock Compatibility: Accepts standard padlocks for added security (sold separately).
Technical Specification
- Compatibility: Wylex NH Series MCBs and RCBOs
- Locking Position: ON or OFF
- Padlock Included: Not supplied
- Application: Electrical isolation and maintenance safety
- Material: Durable polymer construction
✅ Ensure safe, compliant isolation with the Wylex MCBDLX Locking Device – an essential addition to any professional toolkit!

Ean Code | 5013601006840 |
Product | Consumer Unit Accessory |
Type | Lock |
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.