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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.

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

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Siemens 5SX21 C20 20A 20 Amp MCB Circuit Breaker Type C
Siemens 5SX21 C20 20A 20 Amp MCB Circuit Breaker Type C

Siemens 5SX21 C20 20A 20 Amp MCB Circuit Breaker Type C

MCB's
£24.99
Product details
Siemens 5SX23 D20 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type D
Siemens 5SX23 D20 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type D

Siemens 5SX23 D20 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type D

MCB's
£24.99
Product details
Contactum 9916B B16 16A 16 Amp 3 Pole Phase MCB Circuit Breaker Type B
Contactum 9916B B16 16A 16 Amp 3 Pole Phase MCB Circuit Breaker Type B

Contactum 9916B B16 16A 16 Amp 3 Pole Phase MCB Circuit Breaker Type B

MCB's
£24.99
Product details
Siemens 5TE7 100A 100 Amp 3 Pole Phase Isolator Main Switch Disconnector
Siemens 5TE7 100A 100 Amp 3 Pole Phase Isolator Main Switch Disconnector

Siemens 5TE7 100A 100 Amp 3 Pole Phase Isolator Main Switch Disconnector

Isolators
£24.99
Product details
Contactum 7020B B20 20A 20 Amp MCB Circuit Breaker Type B
Contactum 7020B B20 20A 20 Amp MCB Circuit Breaker Type B

Contactum 7020B B20 20A 20 Amp MCB Circuit Breaker Type B

MCB's
£24.99
Product details
MK Electric LN6400s 100A 100 Amp 100mA RCD 2 Double Pole Circuit Breaker Type S
MK Electric LN6400s 100A 100 Amp 100mA RCD 2 Double Pole Circuit Breaker

MK Electric LN6400s 100A 100 Amp 100mA RCD 2 Double Pole Circuit Breaker Type S

Residual Current Devices
£25.99
Product details
Steeple Series E B40 40A 40 Amp MCB Circuit Breaker Type B
Steeple Series E B40 40A 40 Amp MCB Circuit Breaker Type B

Steeple Series E B40 40A 40 Amp MCB Circuit Breaker Type B

MCB's
£25.99
Product details
Sector SVMCB16/B B16 16A 16 Amp MCB Circuit Breaker Type B
Sector SVMCB16/B B16 16A 16 Amp MCB Circuit Breaker Type B

Sector SVMCB16/B B16 16A 16 Amp MCB Circuit Breaker Type B

MCB's
£25.99
Call 07745 572 332 for availability.
Product details
Crabtree Polestar 63C/10 C10 10A 10 Amp 3 Pole Phase MCB Circuit Breaker Type C
Crabtree Polestar 63C/10 C10 10A 10 Amp 3 Pole Phase MCB Circuit Breaker Type C

Crabtree Polestar 63C/10 C10 10A 10 Amp 3 Pole Phase MCB Circuit Breaker Type C

MCB's
£25.99
Product details
Bill T203C M9 C20 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type C
Bill T203C M9 C20 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type C

Bill T203C M9 C20 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type C

MCB's
£25.99
Product details
MEM 201MB2 201 MB2 M9 20A 20 Amp MCB Circuit Breaker Type 2
MEM 201MB2 201 MB2 M9 20A 20 Amp MCB Circuit Breaker Type 2

MEM 201MB2 Memshield 1 M9 20A 20 Amp MCB Circuit Breaker Type 2

MCB's
£25.99
Product details
Dorman Smith AS40C Old Style C40 40A 40 Amp MCB Circuit Breaker Type C
Dorman Smith AS40C Old Style C40 40A 40 Amp MCB Circuit Breaker Type C

Dorman Smith AS40C Old Style C40 40A 40 Amp MCB Circuit Breaker Type C

MCB's
£25.99
Call 07745 572 332 for availability.
Product details
Legrand DX3 606421 6064 21 B40 40A 40 Amp 30mA RCBO Circuit Breaker Type B
Legrand DX3 606421 6064 21 B40 40A 40 Amp 30mA RCBO Circuit Breaker Type B

Legrand DX3 606421 6064 21 B40 40A 40 Amp 30mA RCBO Circuit Breaker Type AC

RCBO's
£25.99
Product details
Crabtree Polestar 632/20 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type 2
Crabtree Polestar 632/20 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type 2

Crabtree Polestar 632/20 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type 2

MCB's
£25.99
Product details
Volex VB50 Red Clip B50 50A 50 Amp MCB Circuit Breaker Type B
Volex VB50 Red Clip B50 50A 50 Amp MCB Circuit Breaker Type B

Volex VB50 Red Clip B50 50A 50 Amp MCB Circuit Breaker Type B

MCB's
£25.99
Product details
Proteus Geyer 40MCRSPAC C40 40A 40 Amp 30mA RCBO Circuit Breaker Type AC
Proteus Geyer 40MCRSPAC C40 40A 40 Amp 30mA RCBO Circuit Breaker Type AC

Proteus Geyer 40MCRSPAC C40 40A 40 Amp 30mA RCBO Circuit Breaker Type AC

RCBO's
£25.99
Product details
Wylex PSB363-C White Clip C63 63A 63 Amp 3 Pole Phase MCB Circuit Breaker Type C
Wylex PSB363-C White Clip C63 63A 63 Amp 3 Pole Phase MCB Circuit Breaker Type C

Wylex PSB363-C White Clip C63 63A 63 Amp 3 Pole Phase MCB Circuit Breaker Type C

MCB's
£25.99
Product details
Bill T201B MEM 201MB2 201MB M9 B20 20A 20 Amp MCB Circuit Breaker Type 2
Bill T201B MEM 201MB2 201MB M9 B20 20A 20 Amp MCB Circuit Breaker Type 2

Bill T201B 2T201 MEM 201MB2 201MB M9 B20 20A 20 Amp MCB Circuit Breaker Type 2

MCB's
£25.99
Call 07745 572 332 for availability.
Product details
Steeple D2SB40B B40 40A 40 Amp MCB Circuit Breaker Type B
Steeple D2SB40B B40 40A 40 Amp MCB Circuit Breaker Type B

Steeple D2SB40B B40 40A 40 Amp MCB Circuit Breaker Type B

MCB's
£26.99
Call 07745 572 332 for availability.
Product details
Crabtree Polestar 60D/63 D63 63A 63 Amp MCB Circuit Breaker Type D
Crabtree Polestar 60D/63 D63 63A 63 Amp MCB Circuit Breaker Type D

Crabtree Polestar 60D/63 D63 63A 63 Amp MCB Circuit Breaker Type D

MCB's
£26.99
Product details
GE General Electric EP61 566537 D32 32A 32 Amp MCB Circuit Breaker Type D
GE General Electric EP61 566537 D32 32A 32 Amp MCB Circuit Breaker Type D

GE General Electric EP61 566537 D32 32A 32 Amp MCB Circuit Breaker Type D

MCB's
£26.99
Product details
Volex VB20-B B20 20A 20 Amp MCB Circuit Breaker Type B
Volex VB20-B B20 20A 20 Amp MCB Circuit Breaker Type B

Volex VB20-B B20 20A 20 Amp MCB Circuit Breaker Type B

MCB's
£26.99
Call 07745 572 332 for availability.
Product details
Volex VB20 Black Clip  B20 20A 20 Amp MCB Circuit Breaker Type B
Volex VB20 Black Clip  B20 20A 20 Amp MCB Circuit Breaker Type B

Volex VB20 Black Clip B20 20A 20 Amp MCB Circuit Breaker Type B

MCB's
£26.99
Call 07745 572 332 for availability.
Product details
Wylex Plug In Red Toggle B32 32A 32 Amp With Base Carrier Shield MCB Circuit Breaker Type B
Wylex Plug In Red Toggle B32 32A 32 Amp With Base Carrier Shield MCB Circuit Breaker Type B

Wylex Plug In Red Toggle B32 32A 32 Amp With Base Carrier Shield MCB Circuit Breaker Type B

MCB's
£26.99
Call 07745 572 332 for availability.
Product details
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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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