Proteus

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.

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Proteus 640/2 M4 40A 40 Amp MCB Circuit Breaker Type 2

MCB's

£52.99

Above price includes VAT.

Proteus Geyer 3920/3 M9 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type 3

MCB's

£58.99

Above price includes VAT.

Proteus Geyer AFM32B1 B32 32A 32 Amp 30mA AFDD Circuit Breaker Type A

RCBO's

£59.99

Above price includes VAT.

Proteus 963/3 M6 63A 63 Amp MCB Circuit Breaker Type 3

MCB's

£69.98

Above price includes VAT.

Proteus 950/3 M6 50A 50 Amp MCB Circuit Breaker Type 3

MCB's

£89.99

Above price includes VAT.

Proteus 940/3 M9 40A 40 Amp MCB Circuit Breaker Type 3

MCB's

£89.99

Above price includes VAT.

Proteus 963/2 M9 63A 63 Amp MCB Circuit Breaker Type 2

MCB's

£100.00

Above price includes VAT.

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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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