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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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PowerBreaker PBM40B B40 40A 40 Amp MCB Circuit Breaker Type B
PowerBreaker PBM40B B40 40A 40 Amp MCB Circuit Breaker Type B

PowerBreaker PBM40B B40 40A 40 Amp MCB Circuit Breaker Type B

MCB's
£29.99
PowerBreaker PBM06B B6 6A 6 Amp MCB Circuit Breaker Type B
PowerBreaker PBM06B B6 6A 6 Amp MCB Circuit Breaker Type B

PowerBreaker PBM06B B6 6A 6 Amp MCB Circuit Breaker Type B

MCB's
£9.99
PowerBreaker H05-632030 63A 63 Amp 30mA RCD 2 Double Pole Circuit Breaker
PowerBreaker H05-632030 63A 63 Amp 30mA RCD 2 Double Pole Circuit Breaker

PowerBreaker H05-632030 63A 63 Amp 30mA RCD 2 Double Pole Circuit Breaker

Residual Current Devices
£9.99
Plug-In-Systems 11814 M3 32A 32 Amp MCB Circuit Breaker Type 2
Plug-In-Systems 11814 M3 32A 32 Amp MCB Circuit Breaker Type 2

Plug-In-Systems 11814 M3 32A 32 Amp MCB Circuit Breaker Type 2

MCB's
£10.99
Plug-In-Systems 11809 M3 5A 5 Amp MCB Circuit Breaker Type 2
Plug-In-Systems 11809 M3 5A 5 Amp MCB Circuit Breaker Type 2

Plug-In-Systems 11809 M3 5A 5 Amp MCB Circuit Breaker Type 2

MCB's
£8.99
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
PG Phase Guard PGB32 B32 32A 32 Amp MCB Circuit Breaker Type B
PG Phase Guard PGB32 B32 32A 32 Amp MCB Circuit Breaker Type B

PG Phase Guard PGB32 B32 32A 32 Amp MCB Circuit Breaker Type B

MCB's
£19.99
Ottermill System T M9 6A 6 Amp MCB Circuit Breaker Type 3
Ottermill System T M9 6A 6 Amp MCB Circuit Breaker Type 3

Ottermill System T M9 6A 6 Amp MCB Circuit Breaker Type 3

MCB's
£8.99
Ottermill System T M9 32A 32 Amp MCB Circuit Breaker Type 3
Ottermill System T M9 32A 32 Amp MCB Circuit Breaker Type 3

Ottermill System T M9 32A 32 Amp MCB Circuit Breaker Type 3

MCB's
£9.99
Call 07745 572 332 for availability.
Ottermill System T M9 16A 16 Amp MCB Circuit Breaker Type 3
Ottermill M9 16A 16 Amp MCB Circuit Breaker Type 3

Ottermill System T M9 16A 16 Amp MCB Circuit Breaker Type 3

MCB's
£9.99
Ottermill System T M9 10A 10 Amp MCB Circuit Breaker Type 3
Ottermill System T M9 10A 10 Amp MCB Circuit Breaker Type 3

Ottermill System T M9 10A 10 Amp MCB Circuit Breaker Type 3

MCB's
£8.99
Ottermill System T G163P M9 16A 16 Amp 3 Pole Phase MCB Circuit Breaker Type 3
Ottermill System T G163P M9 16A 16 Amp 3 Pole Phase MCB Circuit Breaker Type 3

Ottermill System T G163P M9 16A 16 Amp 3 Pole Phase MCB Circuit Breaker Type 3

MCB's
£19.99
Ottermill System T G103P M9 10A 10 Amp 3 Pole Phase MCB Circuit Breaker Type 3
Ottermill System T G103P M9 10A 10 Amp 3 Pole Phase MCB Circuit Breaker Type 3

Ottermill System T G103P M9 10A 10 Amp 3 Pole Phase MCB Circuit Breaker Type 3

MCB's
£29.99
Ottermill System T AMPS20 M9 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type 1
Ottermill System T AMPS20 M9 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type 1

Ottermill System T AMPS20 M9 20A 20 Amp 3 Pole Phase MCB Circuit Breaker Type 1

MCB's
£44.99
Ottermill System T AMPS10 M9 10A 10 Amp 3 Pole Phase MCB Circuit Breaker Type 3
Ottermill System T AMPS10 M9 10A 10 Amp 3 Pole Phase MCB Circuit Breaker Type 3

Ottermill System T AMPS10 M9 10A 10 Amp 3 Pole Phase MCB Circuit Breaker Type 3

MCB's
£32.99
Ottermill AMPS 6 System T M9 6A 6 Amp MCB Circuit Breaker Type 3
Ottermill M9 AMPS6 6A 6 Amp MCB Circuit Breaker Type 3

Ottermill AMPS 6 System T M9 6A 6 Amp MCB Circuit Breaker Type 3

MCB's
£9.99
Call 07745 572 332 for availability.
Ottermill AMPS 45 System T M9 45A 45 Amp MCB Circuit Breaker Type 3
Ottermill AMPS 45 M9 45A 45 Amp MCB Circuit Breaker Type 3

Ottermill AMPS 45 System T M9 45A 45 Amp MCB Circuit Breaker Type 3

MCB's
£35.99
Call 07745 572 332 for availability.
Ottermill AMPS 32 System T M9 32A 32 Amp MCB Circuit Breaker Type 3
Ottermill AMPS 32 M9 32A 32 Amp MCB Circuit Breaker Type 3

Ottermill AMPS 32 System T M9 32A 32 Amp MCB Circuit Breaker Type 3

MCB's
£9.99
Ottermill AMPS 16 System T M9 16A 16 Amp MCB Circuit Breaker Type 3
Ottermill AMPS 16 M9 16A 16 Amp MCB Circuit Breaker Type 3

Ottermill AMPS 16 System T M9 16A 16 Amp MCB Circuit Breaker Type 3

MCB's
£10.99
Call 07745 572 332 for availability.
Ottermill AMP 10 System T M9 10A 10 Amp MCB Circuit Breaker Type 3
Ottermill AMP 10 M9 10A 10 Amp MCB Circuit Breaker Type 3

Ottermill AMP 10 System T M9 10A 10 Amp MCB Circuit Breaker Type 3

MCB's
£8.99
Niglon RCD2-80/100 80A 80 Amp 100mA RCD 2 Double Pole Circuit Breaker Type AC
Niglon RCD2-80/100 80A 80 Amp 100mA RCD 2 Double Pole Circuit Breaker

Niglon RCD2-80/100 80A 80 Amp 100mA RCD 2 Double Pole Circuit Breaker Type AC

Residual Current Devices
£9.99
Niglon Protego MCB6B1-63 B63 63A 63 Amp MCB Circuit Breaker Type B
Niglon Protego MCB6B1-63 B63 63A 63 Amp MCB Circuit Breaker Type B

Niglon Protego MCB6B1-63 B63 63A 63 Amp MCB Circuit Breaker Type B

MCB's
£9.99
Niglon Protego MCB6B1-6 B6 6A 6 Amp MCB Circuit Breaker Type B
Niglon Protego MCB6B1-6 B6 6A 6 Amp MCB Circuit Breaker Type B

Niglon Protego MCB6B1-6 B6 6A 6 Amp MCB Circuit Breaker Type B

MCB's
£9.99
Niglon Protego MCB6B1-50 B50 50A 50 Amp MCB Circuit Breaker Type B
Niglon Protego MCB6B1-50 B50 50A 50 Amp MCB Circuit Breaker Type B

Niglon Protego MCB6B1-50 B50 50A 50 Amp MCB Circuit Breaker Type B

MCB's
£9.99
Niglon Protego MCB6B1-40 B40 40A 40 Amp MCB Circuit Breaker Type B
Niglon Protego MCB6B1-40 B40 40A 40 Amp MCB Circuit Breaker Type B

Niglon Protego MCB6B1-40 B40 40A 40 Amp MCB Circuit Breaker Type B

MCB's
£9.99
Niglon Protego MCB6B1-32 B32 32A 32 Amp MCB Circuit Breaker Type B
Niglon Protego MCB6B1-32 B32 32A 32 Amp MCB Circuit Breaker Type B

Niglon Protego MCB6B1-32 B32 32A 32 Amp MCB Circuit Breaker Type B

MCB's
£9.99
Niglon Protego MCB6B1-25 B25 25A 25 Amp MCB Circuit Breaker Type B
Niglon Protego MCB6B1-25 B25 25A 25 Amp MCB Circuit Breaker Type B

Niglon Protego MCB6B1-25 B25 25A 25 Amp MCB Circuit Breaker Type B

MCB's
£9.99
Niglon Protego MCB6B1-20 B20 20A 20 Amp MCB Circuit Breaker Type B
Niglon Protego MCB6B1-20 B20 20A 20 Amp MCB Circuit Breaker Type B

Niglon Protego MCB6B1-20 B20 20A 20 Amp MCB Circuit Breaker Type B

MCB's
£9.99
Niglon Protego MCB6B1-16 B16 16A 16 Amp MCB Circuit Breaker Type B
Niglon Protego MCB6B1-16 B16 16A 16 Amp MCB Circuit Breaker Type B

Niglon Protego MCB6B1-16 B16 16A 16 Amp MCB Circuit Breaker Type B

MCB's
£9.99
Niglon Protego MCB6B1-10 B10 10A 10 Amp MCB Circuit Breaker Type B
Niglon Protego MCB6B1-10 B10 10A 10 Amp MCB Circuit Breaker Type B

Niglon Protego MCB6B1-10 B10 10A 10 Amp MCB Circuit Breaker Type B

MCB's
£9.99
Niglon MS2100 100A 100 Amp 2 Double Pole Isolator Main Switch Disconnectorr
Niglon MS2100 100A 100 Amp 2 Double Pole Isolator Main Switch Disconnectorr

Niglon MS2100 100A 100 Amp 2 Double Pole Isolator Main Switch Disconnector

Isolators
£9.99
Niglon MCB6B150 B50 50A 50 Amp MCB Circuit Breaker Type B
Niglon MCB6B150 B50 50A 50 Amp MCB Circuit Breaker Type B

Niglon MCB6B150 B50 50A 50 Amp MCB Circuit Breaker Type B

MCB's
£9.99
Niglon MCB6B140 B40 40A 40 Amp MCB Circuit Breaker Type B
Niglon MCB6B140 B40 40A 40 Amp MCB Circuit Breaker Type B

Niglon MCB6B140 B40 40A 40 Amp MCB Circuit Breaker Type B

MCB's
£9.99
Niglon MCB6B132 B32 32A 32 Amp MCB Circuit Breaker Type B
Niglon MCB6B132 B32 32A 32 Amp MCB Circuit Breaker Type B

Niglon MCB6B132 B32 32A 32 Amp MCB Circuit Breaker Type B

MCB's
£9.99
Niglon MCB6B120 B20 20A 20 Amp MCB Circuit Breaker Type B
Niglon MCB6B120 B20 20A 20 Amp MCB Circuit Breaker Type B

Niglon MCB6B120 B20 20A 20 Amp MCB Circuit Breaker Type B

MCB's
£10.99
Niglon MCB6B116 B16 16A 16 Amp MCB Circuit Breaker Type B
Niglon MCB6B116 B16 16A 16 Amp MCB Circuit Breaker Type B

Niglon MCB6B116 B16 16A 16 Amp MCB Circuit Breaker Type B

MCB's
£8.99
Niglon MCB6B110 B10 10A 10 Amp MCB Circuit Breaker Type B
Niglon MCB6B110 B10 10A 10 Amp MCB Circuit Breaker Type B

Niglon MCB6B110 B10 10A 10 Amp MCB Circuit Breaker Type B

MCB's
£8.99
Niglon MCB6B106 B6 6A 6 Amp MCB Circuit Breaker Type B
Niglon MCB6B106 B6 6A 6 Amp MCB Circuit Breaker Type B

Niglon MCB6B106 B6 6A 6 Amp MCB Circuit Breaker Type B

MCB's
£8.99
Nextbase Duo HD Battery 3.7V 800mAh Li-Ion Lipo Polymer Dash Cam Dashcam
Nextbase Duo HD Battery 3.7V 800mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Nextbase Duo HD Battery 3.7V 800mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Batteries
£18.99
Nextbase Duo Battery 3.7V 700mAh Li-Ion Lipo Polymer Dash Cam Dashcam
Nextbase Duo Battery 3.7V 700mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Nextbase Duo Battery 3.7V 700mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Batteries
£18.99
Nextbase 622GW Battery 3.7V 370mAh Li-Ion Lipo Polymer Dash Cam Dashcamm
Nextbase 622GW Battery 3.7V 370mAh Li-Ion Lipo Polymer Dash Cam Dashcamm

Nextbase 622GW Battery 3.7V 370mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Batteries
£17.99
Call 07745 572 332 for availability.
Nextbase 512G Battery 3.7V 250mAh Li-Ion Lipo Polymer Dash Cam Dashcam
Nextbase 612GW Battery 3.7V 280mAh 250mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Nextbase 612GW Battery 3.7V 280mAh 250mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Batteries
£18.99
Nextbase 612G Battery 3.7V 330mAh Li-Ion Lipo Polymer Dash Cam Dashcam
Nextbase 612G Battery 3.7V 330mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Nextbase 612G Battery 3.7V 330mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Batteries
£10.99
Nextbase 522GW Battery 3.7V 320mAh Li-Ion Lipo Polymer Dash Cam Dashcam
Nextbase 522GW Battery 3.7V 320mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Nextbase 522GW Battery 3.7V 320mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Batteries
£18.99
Nextbase 512G Battery 3.7V 250mAh Li-Ion Lipo Polymer Dash Cam Dashcam
Nextbase 512GW Battery 3.7V 280mAh 250mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Nextbase 512GW Battery 3.7V 280mAh 250mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Batteries
£14.99
Nextbase 512G Battery 3.7V 250mAh Li-Ion Lipo Polymer Dash Cam Dashcam
Nextbase 512G Battery 3.7V 250mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Nextbase 512G Battery 3.7V 250mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Batteries
£13.99
Nextbase 522GW Battery 3.7V 320mAh Li-Ion Lipo Polymer Dash Cam Dashcam
Nextbase 422GW Battery 3.7V 280mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Nextbase 422GW Battery 3.7V 280mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Batteries
£18.99
Nextbase 512G Battery 3.7V 250mAh Li-Ion Lipo Polymer Dash Cam Dashcam
Nextbase 412GW Battery 3.7V 280mAh 250mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Nextbase 412GW Battery 3.7V 280mAh 250mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Batteries
£15.99
Nextbase 202G Battery 3.7V 350mAh Li-Ion Lipo Polymer Dash Cam Dashcam
Nextbase 412G Battery 3.7V 370mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Nextbase 412G Battery 3.7V 370mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Batteries
£10.99
Nextbase 402G Battery 3.7V 250mAh Li-Ion Lipo Polymer Dash Cam Dashcam
Nextbase 402G Battery 3.7V 250mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Nextbase 402G Battery 3.7V 250mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Batteries
£15.99
Nextbase 522GW Battery 3.7V 320mAh Li-Ion Lipo Polymer Dash Cam Dashcam
Nextbase 322GW Battery 3.7V 280mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Nextbase 322GW Battery 3.7V 280mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Batteries
£18.99
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
Nextbase 302G Deluxe Battery 3.7V 180mAh Li-Ion Lipo Polymer Dash Cam Dashcam
Nextbase 302G Battery 3.7V 180mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Nextbase 302G Deluxe Battery 3.7V 180mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Batteries
£12.99
Nextbase 302G Deluxe Battery 3.7V 180mAh Li-Ion Lipo Polymer Dash Cam Dashcam
Nextbase 302G Battery 3.7V 180mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Nextbase 302G Battery 3.7V 180mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Batteries
£11.99
Nextbase 222 Battery 3.7V 280mAh Li-Ion Lipo Polymer Dash Cam Dashcam
Nextbase 222X Battery 3.7V 280mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Nextbase 222X Battery 3.7V 280mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Batteries
£13.99
Nextbase 222 Battery 3.7V 280mAh Li-Ion Lipo Polymer Dash Cam Dashcam
Nextbase 222G Battery 3.7V 280mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Nextbase 222G Battery 3.7V 280mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Batteries
£13.99
Nextbase 222 Battery 3.7V 280mAh Li-Ion Lipo Polymer Dash Cam Dashcam
Nextbase 222 Battery 3.7V 280mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Nextbase 222 Battery 3.7V 280mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Batteries
£13.99
Nextbase 212 Battery 3.7V 470mAh Li-Ion Lipo Polymer Dash Cam Dashcam
Nextbase 212G Battery 3.7V 470mAh Li-Ion Lipo Polymer Dash Cam Dashcam

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

Batteries
£13.99
Nextbase 402G Battery 3.7V 250mAh Li-Ion Lipo Polymer Dash Cam Dashcam
Nextbase 212 Lite Battery 3.7V 250mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Nextbase 212 Lite Battery 3.7V 250mAh Li-Ion Lipo Polymer Dash Cam Dashcam

Batteries
£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
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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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Copyright © 2026 MCB's UK. All Rights Reserved.

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