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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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Crabtree Polestar 63B/20 B20 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type B
Crabtree Polestar 63B/20 B20 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type B

Crabtree Polestar 63B/20 B20 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type B

MCB's
£37.99
Product details
Siemens 5SX21 B40 40A 40 Amp MCB Circuit Breaker Type B
Siemens 5SX21 B40 40A 40 Amp MCB Circuit Breaker Type B

Siemens 5SX21 B40 40A 40 Amp MCB Circuit Breaker Type B

MCB's
£37.99
Product details
Crabtree Polestar 602/63 63A 63 Amp MCB Circuit Breaker Type 2
Crabtree Polestar 602/63 63A 63 Amp MCB Circuit Breaker Type 2

Crabtree Polestar 602/63 63A 63 Amp MCB Circuit Breaker Type 2

MCB's
£38.99
Call 07745 572 332 for availability.
Product details
Doepke DLS6i C40-3 C40 40A 40 Amp 3 Pole Phase MCB Circuit Breaker Type C
Doepke DLS6i C40-3 C40 40A 40 Amp 3 Pole Phase MCB Circuit Breaker Type C

Doepke DLS6i C40-3 C40 40A 40 Amp 3 Pole Phase MCB Circuit Breaker Type C

MCB's
£38.99
Product details
We Wyverne Electrical WERCBO B20 20A 20 Amp 30mA RCBO Circuit Breaker Type AC
We Wyverne Electrical WERCBO B20 20A 20 Amp 30mA RCBO Circuit Breaker Type AC

We Wyverne Electrical WERCBO B20 20A 20 Amp 30mA RCBO Circuit Breaker Type AC

RCBO's
£38.99
Product details
Crabtree 6FT32C Black Clip C32 32A 32 Amp 3 Pole Phase MCB Circuit Breaker Type C
Crabtree 6FT32C C32 32A 32 Amp 3 Pole Phase MCB Circuit Breaker Type C

Crabtree 6FT32C Black Clip C32 32A 32 Amp 3 Pole Phase MCB Circuit Breaker Type C

MCB's
£39.99
Product details
Crabtree 380/S030 Split Load 80A 80 Amp 30mA RCD RCCB 2 Double Pole Circuit Breaker Type AC
Crabtree 380/S030 Split Load 80A 80 Amp 30mA RCD RCCB 2 Double Pole Circuit Breaker

Crabtree 380/S030 Split Load 80A 80 Amp 30mA RCD RCCB 2 Double Pole Circuit Breaker Type AC

Residual Current Devices
£39.99
Product details
Bill 4T321 M9 32A 32 Amp MCB Circuit Breaker Type 4
Bill 4T321 M9 32A 32 Amp MCB Circuit Breaker Type 4

Bill 4T321 M9 32A 32 Amp MCB Circuit Breaker Type 4

MCB's
£39.99
Product details
LAP 43056 B50 50A 50 Amp MCB Circuit Breaker Type B
LAP 43056 B50 50A 50 Amp MCB Circuit Breaker Type B

LAP 43056 B50 50A 50 Amp MCB Circuit Breaker Type B

MCB's
£39.99
Call 07745 572 332 for availability.
Product details
Crabtree Polestar 602C/323 C32 32A 32 Amp 30mA 2 Double Pole RCBO Circuit Breaker Type C
Crabtree Polestar C32 32A 32 Amp 30mA 2 Double Pole RCBO Circuit Breaker Type C

Crabtree Polestar 602C/323 C32 32A 32 Amp 30mA 2 Double Pole RCBO Circuit Breaker Type A

RCBO's
£39.99
Product details
Dorman Smith AS403 M9 40A 40 Amp MCB Circuit Breaker Type 3
Dorman Smith AS403 M9 40A 40 Amp MCB Circuit Breaker Type 3

Dorman Smith AS403 Old Style M9 40A 40 Amp MCB Circuit Breaker Type 3

MCB's
£39.99
Call 07745 572 332 for availability.
Product details
Siemens 5SX21 D40 40A 40 Amp MCB Circuit Breaker Type D
Siemens 5SX21 D40 40A 40 Amp MCB Circuit Breaker Type D

Siemens 5SX21 D40 40A 40 Amp MCB Circuit Breaker Type D

MCB's
£39.99
Product details
Legrand Tenby Lexic 06866 C63 63A 63 Amp MCB Circuit Breaker Type C
Legrand Tenby Lexic 06866 C63 63A 63 Amp MCB Miniature Circuit Breaker Type C

Legrand Tenby Lexic 06866 C63 63A 63 Amp MCB Circuit Breaker Type C

MCB's
£39.99
Call 07745 572 332 for availability.
Product details
Wylex NSB63-B B63 63A 63 Amp MCB Circuit Breaker Type B
Wylex NSB63-B B63 63A 63 Amp MCB Circuit Breaker Type B

Wylex NSB63-B B63 63A 63 Amp MCB Circuit Breaker Type B

MCB's
£39.99
Call 07745 572 332 for availability.
Product details
Legrand Tenby Lexic 03392 C63 63A 63 Amp MCB Circuit Breaker Type C
Legrand Tenby Lexic 03392 C63 63A 63 Amp MCB Miniature Circuit Breaker Type C

Legrand Tenby Lexic 03392 C63 63A 63 Amp MCB Circuit Breaker Type C

MCB's
£39.99
Call 07745 572 332 for availability.
Product details
Legrand Tenby Lexic 03390 C40 40A 40 Amp MCB Circuit Breaker Type C
Legrand Tenby Lexic 03390 C40 40A 40 Amp MCB Miniature Circuit Breaker Type C

Legrand Tenby Lexic 03390 C40 40A 40 Amp MCB Circuit Breaker Type C

MCB's
£39.99
Call 07745 572 332 for availability.
Product details
Kopp Kapp Ottermill HS68 B40 40A 40 Amp MCB Circuit Breaker Type B
Kopp Ottermill HS68 B40 40A 40 Amp MCB Circuit Breaker Type B

Kopp Kapp Ottermill HS68 B40 40A 40 Amp MCB Circuit Breaker Type B

MCB's
£39.99
Call 07745 572 332 for availability.
Product details
PremShield PS140B B40 40A 40 Amp MCB Circuit Breaker Type B
PremShield B40 40A 40 Amp MCB Circuit Breaker Type B

PremShield PS140B B40 40A 40 Amp MCB Circuit Breaker Type B

MCB's
£39.99
Product details
PremShield PS263C-MCB C63 63A 63 Amp MCB Circuit Breaker Type C
PremShield PS263C-MCB C63 63A 63 Amp MCB Circuit Breaker Type C

PremShield PS263C-MCB C63 63A 63 Amp MCB Circuit Breaker Type C

MCB's
£39.99
Call 07745 572 332 for availability.
Product details
LSN OEZ Malmbergs B63 63A 63 Amp MCB Circuit Breaker Type B
LSN OEZ Malmbergs B63 63A 63 Amp MCB Circuit Breaker Type B

LSN OEZ Malmbergs B63 63A 63 Amp MCB Circuit Breaker Type B

MCB's
£39.99
Product details
Proteus Geyer PX300 1063/3 C63 63A 63 Amp MCB Circuit Breaker Type C
Proteus Geyer PX300 1063/3 C63 63A 63 Amp MCB Circuit Breaker Type C

Proteus Geyer PX300 1063/3 C63 63A 63 Amp MCB Circuit Breaker Type C

MCB's
£39.99
Product details
PremShield PS163B B63 63A 63 Amp MCB Circuit Breaker Type B
PremShield PS163B B63 63A 63 Amp MCB Circuit Breaker Type B

PremShield PS163B B63 63A 63 Amp MCB Circuit Breaker Type B

MCB's
£39.99
Product details
GE General Electric EP101 672337 B63 63A 63 Amp MCB Circuit Breaker Type B
GE General Electric EP101 672337 B63 63A 63 Amp MCB Circuit Breaker Type B

GE General Electric EP101 672337 B63 63A 63 Amp MCB Circuit Breaker Type B

MCB's
£39.99
Call 07745 572 332 for availability.
Product details
MEM Memera 2000 ALB501 B50 50A 50 Amp MCB Circuit Breaker Type B
MEM Memera 2000 ALB501 B50 50A 50 Amp MCB Circuit Breaker Type B

MEM Memera 2000 ALB501 B50 50A 50 Amp MCB Circuit Breaker Type B

MCB's
£39.99
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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