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BG CUMB6 6A Miniature Circuit Breaker MCB Single Pole 6kA B Curve for BG Consumer Units

Model No. CUMB6 by: BG Electrical
Availability: Usually 2 - 3 Days


List price £7.75
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(over £100+VAT, applies to zones A&B only , £6 +VAT otherwise)
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This is the BG CUMB6 6A MCB Miniature Circuit Breaker single pole 6kA Breaking Capacity, B Curve, ideal for the BG consumer units.

Please note: this range of BG CUMB MCBss works only with the BG Domestic Consumer Units (see the BG CFUS range on our website). Before ordering, please check with your electrician to see exactly what you need for your consumer units or consumables, since these items are non-returnable.

It is a compact size MCB with a stylish modern profile and a positive contact status indicator and a large terminal capacity; it has a lockable dolly switch. 

BG CUMB6 6A Miniature Circuit Breaker MCB Single Pole 6kA B Curve

  • Type: Miniature Circuit Breaker MCB
  • Device capable of being locked in ‘ON’ or ‘OFF’ position using a device lock
  • It has a positive contact status indication
  • Tripping Characteristics: B curve
  • Voltage rating: 230V
  • Width: 17.5mm
  • Dimensions: 76mm max. depth, 81mm height, 18mm width / thickness
  • Mounting: Mounting on 35mm DIN rail
  • Number of poles: Single Pole / 1P
  • Outgoing terminal capacity: 16mm2
  • Short circuit rating: 6kA
  • Rating: 6A
  • Ambient Temperature: -5ºC to +40 ºC
  • IP Rating: IP20 rated
  • Standards: it is manufactured and tested to EN IEC 60898 standards
  • Model: BG Electrical CUMB6

Note: Some images and pictures are for reference only. The item may differ from the image/picture due to manufacturer's change. Should you require the exact item in the picture, please call or email us to enquire.

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Sparks Direct delivers via courier to the UK only; the standard delivery charge is £6 + VAT for all orders under £100 + VAT. If your order is over £120, you get free delivery (unless there's a special delivery charge for the items you wish to order or you're in shipping zone C or D). Full details for shipping charges can be found via Terms and Conditions.

If the items you order are in stock and the order is placed before 1.00pm, delivery can be made within 1-2 working days. If the items are not in stock, we will inform you via email how long it will take or ask for your confirmation if there's a long lead time.


We offer 30-day returns for unwanted items - please email us to request a returns number which will need to be quoted when the items are returned. For faulty items or items damaged in transit, please advise via email, and an appropriate returns number will be provided. Full details concerning returns and refunds can be found via our Terms and Conditions.