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£4.01 Exc. VAT £3.34
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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 5 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 12.
Rated 5 out of 5 by from Good quality Good quality MCB trips within required range and never had a problem with MK products.
Date published: 2019-09-25
Rated 5 out of 5 by from Rdc A very good price for a great product
Date published: 2019-08-26
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
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