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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.

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Crabtree 6FT40C C40 40A 40 Amp 3 Pole Phase MCB Circuit Breaker Type C
Crabtree 6FT40C C40 40A 40 Amp 3 Pole Phase MCB Circuit Breaker Type C

Crabtree 6FT40C C40 40A 40 Amp 3 Pole Phase MCB Circuit Breaker Type C

MCB's
£15.99
CPN Cudis CPNNB1-63 50111 B40 40A 40 Amp MCB Circuit Breaker Type B
CPN Cudis CPNNB1-63 50111 B40 40A 40 Amp MCB Circuit Breaker Type B

CPN Cudis CPNNB1-63 50111 B40 40A 40 Amp MCB Circuit Breaker Type B

MCB's
£15.99
Schneider Electric QOvs Plug on QO116B10RCBO30F B16 16A 16 Amp 30mA RCBO Circuit Breaker Type AC
Schneider Electric QOvs Plug on QO116B10RCBO30F B16 16A 16 Amp 30mA RCBO Circuit Breaker Type AC

Schneider Electric QOvs Plug on QO116B10RCBO30F B16 16A 16 Amp 30mA RCBO Circuit Breaker Type AC

RCBO's
£15.99
Proteus Geyer 3906/3 6A 6 Amp 3 Pole Phase MCB Circuit Breaker Type 3
Proteus Geyer 3906/3 6A 6 Amp 3 Pole Phase MCB Circuit Breaker Type 3

Proteus Geyer 3906/3 6A 6 Amp 3 Pole Phase MCB Circuit Breaker Type 3

MCB's
£15.99
Dorman Smith KR1PC2030 C20 20A 20 Amp 30mA RCBO Circuit Breaker Type AC
Dorman Smith KR1PC2030 C20 20A 20 Amp 30mA RCBO Circuit Breaker Type AC

Dorman Smith KR1PC2030 C20 20A 20 Amp 30mA RCBO Circuit Breaker Type AC

RCBO's
£15.99
Plug-In-Systems 100A 415V 100 Amp 2 Double Pole Isolator Main Switch Disconnector
Plug-In-Systems 100A 415V 100 Amp 2 Double Pole Isolator Main Switch Disconnector

Plug-In-Systems 100A 415V 100 Amp 2 Double Pole Isolator Main Switch Disconnector

Isolators
£15.99
Nextbase 212 Battery 3.7V 470mAh Li-Ion Lipo Polymer Dash Cam Dashcam
Nextbase 212 Battery 3.7V 470mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Nextbase 212 Battery 3.7V 470mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Batteries
£16.99
Nextbase 212 Battery 3.7V 470mAh Li-Ion Lipo Polymer Dash Cam Dashcam
Nextbase 312GW Battery 3.7V 470mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Nextbase 312GW Battery 3.7V 470mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Batteries
£16.99
Eaton EMCH332 C32 32A 32 Amp 3 Phase Pole MCB Circuit Breaker Type C
Eaton EMCH332 C32 32A 32 Amp 3 Phase Pole MCB Circuit Breaker Type C

Eaton EMCH332 C32 32A 32 Amp 3 Phase Pole MCB Circuit Breaker Type C

MCB's
£16.99
Crabtree Polestar M9 C16 16A 16 Amp MCB Circuit Breaker Type C
Crabtree Polestar M9 C16 16A 16 Amp MCB Circuit Breaker Type C

Crabtree Polestar 60C/16 C16 16A 16 Amp MCB Circuit Breaker Type C

MCB's
£16.99
Crabtree Polestar 603/32 32A 32 Amp MCB Circuit Breaker Type 3
Crabtree Polestar 60C/32 C32 32A 32 Amp MCB Circuit Breaker Type C

Crabtree Polestar 603/32 32A 32 Amp MCB Circuit Breaker Type 3

MCB's
£16.99
GEC Vynckier E32 M6 32A 32 Amp MCB Circuit Breaker Type 2
GEC Vynckier E32 M6 32A 32 Amp MCB Circuit Breaker Type 2

GEC Vynckier E32 M6 32A 32 Amp MCB Circuit Breaker Type 2

MCB's
£16.99
Proteus Geyer 640B B40 40A 40 Amp MCB Circuit Breaker Type B
Proteus Geyer 640B B40 40A 40 Amp MCB Circuit Breaker Type B

Proteus Geyer 640B B40 40A 40 Amp MCB Circuit Breaker Type B

MCB's
£16.99
Call 07745 572 332 for availability.
Crabtree 6FS50B B50 50A 50 Amp MCB Circuit Breaker Type B
Crabtree 6FS50B B50 50A 50 Amp MCB Circuit Breaker Type B

Crabtree 6FS50B B50 50A 50 Amp MCB Circuit Breaker Type B

MCB's
£16.99
Call 07745 572 332 for availability.
Wylex NSB20 Yellow Toggle B20 20A 20 Amp MCB Circuit Breaker Type B
Wylex NSB20 Yellow Toggle B20 20A 20 Amp MCB Circuit Breaker Type B

Wylex NSB20 Yellow Toggle B20 20A 20 Amp MCB Circuit Breaker Type B

MCB's
£16.99
Europa Components EUR1 Square Button 80A 80 Amp 30mA RCD 2 Double Pole Circuit Breaker
Europa Components EUR1 Square Button 80A 80 Amp 30mA RCD 2 Double Pole Circuit Breaker

Europa Components EUR1 Square Button 80A 80 Amp 30mA RCD 2 Double Pole Circuit Breaker Type AC

Residual Current Devices
£16.99
Lewden Control Gear CGD EC B40 40A 40 Amp MCB Circuit Breaker Type B
Lewden Control Gear CGD EC B40 40A 40 Amp MCB Circuit Breaker Type B

Lewden Control Gear CGD EC B40 40A 40 Amp MCB Circuit Breaker Type B

MCB's
£16.99
Click DB132 New Style B32 32A 32 Amp MCB Circuit Breaker Type B
Click DB132 New Style B32 32A 32 Amp MCB Circuit Breaker Type B

Click DB132 New Style B32 32A 32 Amp MCB Circuit Breaker Type B

MCB's
£16.99
Call 07745 572 332 for availability.
Clipsal TSB-140 B40A B40 40A 40 Amp MCB Circuit Breaker Type B
Clipsal TSB-140 B40A B40 40A 40 Amp MCB Circuit Breaker Type B

Clipsal TSB-140 B40A B40 40A 40 Amp MCB Circuit Breaker Type B

MCB's
£16.99
Square D QOE 6000 C50 50A 50 Amp MCB Circuit Breaker Type C
Square D QOE 6000 C50 50A 50 Amp MCB Circuit Breaker Type C

Square D QOE Yellow Band 6000 C50 50A 50 Amp MCB Circuit Breaker Type C

MCB's
£16.99
Wylex NSB20 B20 20A 20 Amp Black Clip MCB Circuit Breaker Type B
Wylex NSB20 B20 20A 20 Amp Black Clip MCB Circuit Breaker Type B

Wylex NSB20 B20 20A 20 Amp Black Clip MCB Circuit Breaker Type B

MCB's
£16.99
Dorman Smith AS402 M9 40A 40 Amp MCB Circuit Breaker Type 2
Dorman Smith AS402 M9 40A 40 Amp MCB Circuit Breaker Type 2

Dorman Smith AS402 Old Style M9 40A 40 Amp MCB Circuit Breaker Type 2

MCB's
£16.99
Call 07745 572 332 for availability.
Legrand Tenby Lexic DX3 407436 B40 40A 40 Amp MCB Circuit Breaker Type B
Legrand Tenby Lexic DX3 407436 B40 40A 40 Amp MCB Circuit Breaker Type B

Legrand Tenby Lexic DX3 407436 B40 40A 40 Amp MCB Circuit Breaker Type B

MCB's
£16.99
Call 07745 572 332 for availability.
Wylex NSB16 B16 16A 16 Amp Metal Clip Old Style MCB Circuit Breaker Type B
Wylex NSB16 B16 16A 16 Amp Metal Clip Old Style MCB Circuit Breaker Type B

Wylex NSB16 B16 16A 16 Amp Metal Clip Old Style MCB Circuit Breaker Type B

MCB's
£16.99
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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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