CTI

Welcome
We stock thousands of used obsolete and rare circuit breakers.

Please use the search box above to find what you are looking for.

Important: 2nd Class post is taking 7-10 working days,

please consider choosing 1st Class or Next Working Day if your order is urgent.

Why Thousands of Electricians Choose MCBs UK

✓ One of the UK's largest stocks of rare, obsolete & discontinued circuit breakers.

✓ Not sure what you need? WhatsApp us a photo — we'll identify the right breaker.

✓ Secure checkout · Fast UK dispatch · 30-day no-quibble returns.

✓ 35+ years of industry experience behind every order.

CTI ZB10 B10 10A 10 Amp MCB Circuit Breaker Type B

MCB's

£8.99

Above price includes VAT.

CTI ZB40 B40 40A 40 Amp MCB Circuit Breaker Type B

MCB's

£8.99

Above price includes VAT.

CTI ZB16 B16 16A 16 Amp MCB Circuit Breaker Type B

MCB's

£8.99

Above price includes VAT.

CTI ZB06 B6 6A 6 Amp MCB Circuit Breaker Type B

MCB's

£8.99

Above price includes VAT.

CTI ZB50 B50 50A 50 Amp MCB Circuit Breaker Type B

MCB's

£8.99

Above price includes VAT.

CTI ZR80 Oval Button 80A 80 Amp 30mA RCD 2 Double Pole Circuit Breaker

CTI ZR80 Oval Button RH Toggle 80A 80 Amp 30mA RCD 2 Double Pole Circuit Breaker Type AC

Residual Current Devices

£9.98

Above price includes VAT.

CTI ZB32 B32 32A 32 Amp MCB Circuit Breaker Type B

MCB's

£10.00

Above price includes VAT.

CTI ZB20 B20 20A 20 Amp MCB Circuit Breaker Type B

MCB's

£10.00

Above price includes VAT.

Contact Us

MCBs.uk
(Visits by Appointment Only)
Prenton
Birkenhead
Wirral, UK
CH42 8QX

WhatsApp 07745 572 332 – Mon-Fri 9-5

About MCB's UK

We have been in the electronics business for over 35 years.

We are a small family run company who pride ourselves on helping electricians daily.

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All prices are fully inclusive of VAT.
VAT Reg No: 518 4946 61

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