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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.

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MEM Delta AB40S2 B40 40A 40 Amp MCB Circuit Breaker Type B
MEM Delta AB40S2 B40 40A 40 Amp MCB Circuit Breaker Type B

MEM Delta AB40S2 B40 40A 40 Amp MCB Circuit Breaker Type B

MCB's
£49.99
Proteus 920/2 M9 20A 20 Amp MCB Circuit Breaker Type 2
Proteus 920/2 M9 20A 20 Amp MCB Circuit Breaker Type 2

Proteus 920/2 M9 20A 20 Amp MCB Circuit Breaker Type 2

MCB's
£49.99
Dorman Smith K3PC63 C63 63A 63 Amp 3 Pole Phase MCB Circuit Breaker Type C
Dorman Smith K3PC63 C63 63A 63 Amp 3 Pole Phase MCB Circuit Breaker Type C

Dorman Smith K3PC63 C63 63A 63 Amp 3 Pole Phase MCB Circuit Breaker Type C

MCB's
£49.99
MEM 401MB2 40A 40 Amp MCB Circuit Breaker Type 2
MEM 401MB2 40A 40 Amp MCB Circuit Breaker Type 2

MEM 401MB2 Memshield 1 40A 40 Amp MCB Circuit Breaker Type 2

MCB's
£49.99
Call 07745 572 332 for availability.
MEM 401MB B40 40A 40 Amp MCB Circuit Breaker Type B
MEM 401MB B40 40A 40 Amp MCB Circuit Breaker Type B

MEM 401MB Memshield 1 B40 40A 40 Amp MCB Circuit Breaker Type B

MCB's
£49.99
Bill T401C MEM 401MB3 401MC M9 C40 40A 40 Amp MCB Circuit Breaker Type C
Bill T401C MEM 401MB3 401MC M9 C40 40A 40 Amp MCB Circuit Breaker Type C

Bill T401C MEM 401MB3 401MC M9 C40 40A 40 Amp MCB Circuit Breaker Type C

MCB's
£49.99
Call 07745 572 332 for availability.
We Wyverne Electrical DZ47-63 B63 63A 63 Amp MCB Circuit Breaker Type B
We Wyverne Electrical DZ47-63 B63 63A 63 Amp MCB Circuit Breaker Type B

We Wyverne Electrical DZ47-63 B63 63A 63 Amp MCB Circuit Breaker Type B

MCB's
£49.99
We Wyverne Electrical DZ47-63 B40 40A 40 Amp MCB Circuit Breaker Type B
We Wyverne Electrical DZ47-63 B40 40A 40 Amp MCB Circuit Breaker Type B

We Wyverne Electrical DZ47-63 B40 40A 40 Amp MCB Circuit Breaker Type B

MCB's
£49.99
Wylex Stotz Kontakt HB60 60A 60 Amp MCB Circuit Breaker Type 1
Wylex Stotz Kontakt HB60 60A 60 Amp MCB Circuit Breaker Type 1

Wylex Stotz Kontakt HB60 60A 60 Amp MCB Circuit Breaker Type 1

MCB's
£51.99
Call 07745 572 332 for availability.
MK Electric LN8632 32A 32 Amp 3 Pole Phase MCB Circuit Breaker Type 2
MK Electric LN8632 32A 32 Amp 3 Pole Phase MCB Circuit Breaker Type 2

MK Electric LN8632 32A 32 Amp 3 Pole Phase MCB Circuit Breaker Type 2

MCB's
£51.99
Dorman Smith AT502 50A 50 Amp 3 Pole Phase MCB Circuit Breaker Type 2
Dorman Smith AT502 50A 50 Amp 3 Pole Phase MCB Circuit Breaker Type 2

Dorman Smith AT502 Old Style 50A 50 Amp 3 Pole Phase MCB Circuit Breaker Type 2

MCB's
£51.99
Proteus 640/2 M4 40A 40 Amp MCB Circuit Breaker Type 2
Proteus 640/2 M4 40A 40 Amp MCB Circuit Breaker Type 2

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

MCB's
£52.99
MK Electric LN5940 40A 40 Amp MCB Circuit Breaker Type 2
MK Electric LN5940 40A 40 Amp MCB Circuit Breaker Type 2

MK Electric LN5940 40A 40 Amp MCB Circuit Breaker Type 2

MCB's
£52.99
MEM 451QEB B45 45A 45 Amp MCB Circuit Breaker Type B
MEM 451QEB B45 45A 45 Amp MCB Circuit Breaker Type B

MEM 451QEB B45 45A 45 Amp MCB Circuit Breaker Type B

MCB's
£53.99
MEM 451QEB M6 45A 45 Amp MCB Circuit Breaker Type 1
MEM 451QEB M6 45A 45 Amp MCB Circuit Breaker Type 1

MEM 451QEB M6 45A 45 Amp MCB Circuit Breaker Type 1

MCB's
£54.99
Hager U89500 100A 100 Amp 100mA RCCB RCD 3 4 Pole Phase 3P+N Circuit Breaker Type AC
Hager U89500 100A 100 Amp 100mA RCCB RCD 3 4 Pole Phase 3P+N Circuit Breaker Type AC

Hager U89500 100A 100 Amp 100mA RCCB RCD 3 4 Pole Phase 3P+N Circuit Breaker Type AC

Residual Current Devices
£54.99
Crabtree SB6000 40A 40 Amp MCB Circuit Breaker Type 1
Crabtree SB6000 40A 40 Amp MCB Circuit Breaker Type 1

Crabtree SB6000 40A 40 Amp MCB Circuit Breaker Type 1

MCB's
£55.99
Call 07745 572 332 for availability.
Crabtree SB6000 610/40 B40 40A 40 Amp MCB Circuit Breaker Type B
Crabtree SB6000 610/40 B40 40A 40 Amp MCB Circuit Breaker Type B

Crabtree SB6000 610/40 B40 40A 40 Amp MCB Circuit Breaker Type B

MCB's
£55.99
Crabtree SB6000 610/40 B40 40A 40 Amp MCB Circuit Breaker Type B
Crabtree SB6000 610/40 B40 40A 40 Amp MCB Circuit Breaker Type B

Crabtree SB6000 610/40 B40 40A 40 Amp MCB Circuit Breaker Type B

MCB's
£55.99
Eaton 501B M9 50A 50 Amp MCB Circuit Breaker Type B
MEM 501QB 501QEB M9 50A 50 Amp MCB Circuit Breaker Type B

Eaton 501B M9 50A 50 Amp MCB Circuit Breaker Type B

MCB's
£55.99
Call 07745 572 332 for availability.
MEM Memshield 1 323MB 323MB2 T323B M9 B32 32A 32 Amp 3 Pole Phase MCB Circuit Breaker Type B
MEM 323MB M9 B32 32A 32 Amp 3 Pole Phase MCB Circuit Breaker Type B

MEM Memshield 1 323MB 323MB2 T323B M9 B32 32A 32 Amp 3 Pole Phase MCB Circuit Breaker Type B

MCB's
£57.99
Proteus Geyer 3920/3 M9 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type 3
Proteus Geyer 3920/3 M9 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type 3

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

MCB's
£58.99
Dorman Smith X3PC50 C50 50A 50 Amp 3 Pole Phase MCB Circuit Breaker Type C
Dorman Smith X3PC50 C50 50A 50 Amp 3 Pole Phase MCB Circuit Breaker Type C

Dorman Smith X3PC50 C50 50A 50 Amp 3 Pole Phase MCB Circuit Breaker Type C

MCB's
£58.99
MEM Memshield 2 MCH350 C50 50A 50 Amp 3 Pole Phase MCB Circuit Breaker Type C
MEM Memshield 2 MCH350 C50 50A 50 Amp 3 Pole Phase MCB Circuit Breaker Type C

MEM Memshield 2 MCH350 C50 50A 50 Amp 3 Pole Phase MCB Circuit Breaker Type C

MCB's
£59.99
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MCB's UK

Contact Us

MCBs.uk
(Visits by Appointment Only)

Prenton
Birkenhead
Wirral, UK
CH42 8LA

WhatsApp 07745 572 332 – Mon-Fri 9-5

About MCB's UK

We have been in the electronics business for 32 years.

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

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