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Product Details

Single pole 230V B curve MCBs.

Technical Specification
Brand MK
Manufacture ID 5945s
Amp Rating 45
Delivery details
Order value: Under £10 £10 & over
Express usually Next Business Day before 6pm £5 Free
Turbo usually Next Business Day before 12 noon £10 £5
Remote areas standard delivery (2-4 days) £5 Free
Order Value: Under £25 Over £25 but less than £75 £75 & Over
£10 £5 Free


Please note items delivered by our suppliers are not available for the options above. Delivery times may vary.

More about Delivery & Returns
Click & Collect details
If you are using our Click & Collect service please note the following:
  • Order online or over the phone and collect in branch from 10 minutes later.
  • Ensure you check stock is available for collection at your chosen branch.
  • Check branch opening hours to ensure you have sufficient time to collect.
  • For items not available for same day collection, place order before 8pm Mon-Sat (4pm Sun) and you can collect Next Business Day (Mon-Fri) after 3pm.
  • If we have your mobile number, we’ll send you a text when your order is ready to collect.
Reviews
MK MCB 45A SP Type B is rated 5.0 out of 5 by 10.
Rated 5 out of 5 by from MK 6amp breaker Good breakers. In fact you can't beat MK products for quality
Date published: 2019-04-27
Rated 5 out of 5 by from only use MK the right part at the right price
Date published: 2019-03-18
Rated 5 out of 5 by from MCB Fitted loads in the past and good quality.
Date published: 2019-03-17
Rated 5 out of 5 by from Just what was needed Bought these to blank off 2 modules in my new MK consumer unit, fitted perfectly and easily
Date published: 2018-08-08
Rated 5 out of 5 by from Good 16amp fuse I am happy this works well and is reliable
Date published: 2018-03-11
Rated 5 out of 5 by from Good upgrade I bought to upgrade my consumer unit to accomodate an electric cooker. Although design has changed this fits perfectly in old MK unit.
Date published: 2017-12-05
Rated 5 out of 5 by from excellent service just the part I required at a good price.was ready to pick up in the time advised
Date published: 2017-02-06
Rated 5 out of 5 by from MK circuit breakers MK circuit breakers are extremely good product very rarely do they go faulty. The price you pay for this product is extremely good and on par with other suppliers.
Date published: 2017-01-31
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