16A 1 Pole B Curve 6KA MCB (SKU NB1‑63B1P16)
The 16A 1 Pole B Curve 6KA MCB (SKU NB1‑63B1P16) from CHINT is a reliable miniature circuit breaker designed to protect your electrical circuits from overload and short-circuit faults. Built to meet industrial standards, this compact MCB delivers dependable protection for single-phase installations, making it an excellent choice for domestic, commercial, and light industrial use.
Engineered with a B-curve tripping characteristic, this breaker responds quickly to overcurrent conditions typically found in lighting, heating, and other resistive loads. The 16 amp rated current and 6kA breaking capacity ensure it can disconnect faulty circuits safely under high-fault conditions.
Mounting on a standard DIN rail makes installation fast and secure, whether you are upgrading a consumer unit or expanding an electrical distribution board. The unit operates on 230/400V AC systems, offering versatility across a range of UK electrical environments. Its robust yet compact design helps save panel space while maintaining high performance.
The clearly marked ON/OFF switch makes operation intuitive, and the device’s construction meets essential safety standards for circuit protection. With a single pole configuration, this MCB protects one live conductor while isolating the circuit in the event of a fault.
Whether you are a professional electrician or a DIY installer, the CHINT NB1‑63B1P16 offers peace of mind through solid performance and consistent safety. Ideal for lighting circuits, general power outlets, and small appliance circuits, this breaker combines quality with value in a trusted brand package.
Tracked Delivery (Currently 1-3 business days):
- Free over £150.
- £5.99 for orders under £150.
- £5.99 for orders under £50.
Next Business Day Delivery:
- £15 Flat Rate.
Collection:
- Free to collect from our warehouse.
Pre-Order:
- 5-10 Business Days delivery unless otherwise stated.

