BG B6 Circuit Breaker 

£5.83 Plus VAT

British General Circuit Breaker B6 –  CUMB6

Out of stock


The BG B6 Circuit Breaker from British General has a thermo-magnetic, current limiting MCB, which provides overload and short circuit protection. This BG B6 Circuit Breaker is a single-pole, type B, and has a power voltage supply of 230 / 400v.

Why do I need a Circuit Breaker?

The Circuit Breaker will control and protect an electrical panel. It will also control and protect any other devices on the panel from the overflow of any electrical power. Circuit breakers will maintain both the safety and quality of the energy provided.

BG B6 Circuit Breaker Specification 

Amp Rating
6 A
Brand British General
Breaking Capacity 6 kA
Breaking Capacity (Inc) 6 kA
CSU Device MCBs
Curve Type Type B
Energy Limitation Class 3
Incomer Fitting Type DIN Rail Mounted
Model No CUMB6-XD
No. of Phases Single-Phase
Number of Poles Single Pole
Pack Size 1
Pieces in Pack/Case 1
Power Voltage Supply 230 / 400 Voltage supply
Product Type MCB
Rated Impulse Withstand Voltage (Up) 6 kV
Rated Operational Current (In) 6 A
Rated Operational Voltage (Ue) 230 V AC
Suitable Cable Size 16 mm²

Why choose Capricorn Electrical?

Capricorn Electrical Limited is a one-stop, first-class service offered to both domestic and commercial customers. We understand just how vital current UK regulations are. Therefore, all our first-class service work is fully compliant and of the highest standard. We have a team of fully qualified and experienced experts on hand. Furthermore, customer service is paramount at Capricorn Electrical, and we strive to complete all our jobs professionally and promptly. 

As well as our first-class service electrical work we stock a wide range of new electrical parts. Capricorn Electrical is proudly renown for selling and sourcing obsolete electrical parts. 

All our products and services can be found online, so what are you waiting for? Have a look and see for yourself!

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Contact us!

Cannot find what you are looking for? Not a problem! Just give a call on 0121 248 1122, one of our friendly sales team is waiting to assist you. Alternatively, you can email your requirements to or


Additional information

Dimensions 2 × 2 × 2 cm
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