BG Circuit Protection B Curve MCB 6A CUMB6

BG Circuit Protection B Curve MCB 6A provides reliable overload and short-circuit protection for domestic and light commercial electrical installations. This Type B miniature circuit breaker trips at 3–5 times rated current, making it ideal for circuits with low inrush currents such as lighting and standard socket outlets. The CUMB6 model delivers consistent performance in standard UK distribution boards and complies with BS EN 60898-1 standards. Compact design ensures easy installation alongside other protective devices. Rated for 230V single-phase applications with a 6,000A breaking capacity, it offers dependable safety for your electrical network. Stock this essential protective component for customers requiring certified MCB solutions that meet modern building regulations and safety requirements.

Orders with standard delivery are dispatched within 3-7 working days. Standard delivery is free on orders over £100 and costs £6.75 for orders under this amount.

For quicker delivery, select our express shipping option at checkout for £8.95. With express shipping, we aim to deliver within 1-3 working days, although delivery times are ultimately managed by the courier once your order has shipped.

Some items may be stored in external warehouses. If so, we’ll notify you and arrange for delivery to our store or directly to you.

For complete details, visit our Delivery Information page (opens in a new tab).

Please review our Terms & Conditions before completing your purchase.

We strongly recommend arranging a qualified electrician to install any electrical items only after your order has been delivered. PU Electrical Wholesaler is not liable for any electrician fees incurred due to unexpected delivery delays.