Skip to content
Over 7000 Products at Incredible Prices!
Over 7000 Products at Incredible Prices!

Circuit Breakers & Electrical Accessories

Shop our full range of circuit breakers and accessories, including miniature circuit breakers (MCBs), RCBOs, and RCDs from trusted brands like Wylex and Hager. Whether you're upgrading your consumer unit or working on a commercial install, we’ve got the protection you need.
Explore related categories like Main Switch & RCDs and Surge Protection to find the right solution for your project.

Filters

Hager NCN363A MCB 3P 10kA/15kA C-63A 3M Type C

Hager
£37.14 - £37.14
£37.14 inc VAT £30.95 exc VAT
£37.14 - £37.14
£37.14 inc VAT £30.95 exc VAT inc VAT £30.95 exc VAT
Low stock

£37.14 - £37.14
£37.14 inc VAT £30.95 exc VAT
£37.14 - £37.14
£37.14 inc VAT £30.95 exc VAT inc VAT £30.95 exc VAT

BG CUMB40 Single Pole, 6kA, 40A, 1 Module MCB

BG
£2.10 - £2.10
£2.10 inc VAT £1.75 exc VAT
£2.10 - £2.10
£2.10 inc VAT £1.75 exc VAT inc VAT £1.75 exc VAT
In stock

£2.10 - £2.10
£2.10 inc VAT £1.75 exc VAT
£2.10 - £2.10
£2.10 inc VAT £1.75 exc VAT inc VAT £1.75 exc VAT

Wylex NHXLB20 20A 6KA Single Pole Miniature MCB Type B

Wylex
£2.40 - £2.40
£2.40 inc VAT £2.00 exc VAT
£2.40 - £2.40
£2.40 inc VAT £2.00 exc VAT inc VAT £2.00 exc VAT
In stock

 Main Features: Single pole MCB, 20A B curve Energy limiting Class 3 Quick release DIN clip No miss busbar connection Fits NM & NMX consum...

View full details
£2.40 - £2.40
£2.40 inc VAT £2.00 exc VAT
£2.40 - £2.40
£2.40 inc VAT £2.00 exc VAT inc VAT £2.00 exc VAT

Red Arrow ZB16 CTI B Curve 6kA MCB 16A

Red Arrow
£1.69 - £1.69
£1.69 inc VAT £1.41 exc VAT
£1.69 - £1.69
£1.69 inc VAT £1.41 exc VAT inc VAT £1.41 exc VAT

Red Arrow ZB16 CTI B Curve 6kA MCB 16A

£1.69 - £1.69
£1.69 inc VAT £1.41 exc VAT
£1.69 - £1.69
£1.69 inc VAT £1.41 exc VAT inc VAT £1.41 exc VAT

BG CUMC16 Bidirectional 16A, C Curve, MCB, Single Pole, 6kA,1 module

BG
£2.42 - £2.42
£2.42 inc VAT £2.02 exc VAT
£2.42 - £2.42
£2.42 inc VAT £2.02 exc VAT inc VAT £2.02 exc VAT
Low stock

BG CUMC16 Bidirectional 16A, C Curve, MCB, Single Pole, 6kA,1 module   The BG Fortress CUMC16‑01 16 A C‑Curve Miniature Circuit Breaker (MCB) is a ...

View full details
£2.42 - £2.42
£2.42 inc VAT £2.02 exc VAT
£2.42 - £2.42
£2.42 inc VAT £2.02 exc VAT inc VAT £2.02 exc VAT

BG CUSPDT21N Type 2, 1 module, No MCB needed TNS,PME,& TT systems

BG
£19.70 - £19.70
£19.70 inc VAT £16.42 exc VAT
£19.70 - £19.70
£19.70 inc VAT £16.42 exc VAT inc VAT £16.42 exc VAT
Low stock

BG CUSPDT21N Type 2, 1 module, No MCB needed TNS,PME,& TT systems   The BG Fortress CUSPDT21N‑03 Type 2 Single Phase Surge Protection Device (S...

View full details
£19.70 - £19.70
£19.70 inc VAT £16.42 exc VAT
£19.70 - £19.70
£19.70 inc VAT £16.42 exc VAT inc VAT £16.42 exc VAT

BG CUMB20 Bidirectional 20A, B Curve, MCB, Single Pole, 6kA,1 module

BG
£2.26 - £2.26
£2.26 inc VAT £1.88 exc VAT
£2.26 - £2.26
£2.26 inc VAT £1.88 exc VAT inc VAT £1.88 exc VAT
Low stock

BG CUMB20 Bidirectional 20A, B Curve, MCB, Single Pole, 6kA,1 module The BG CUMB20‑01 20 A Miniature Circuit Breaker (MCB) is a dependable overcurr...

View full details
£2.26 - £2.26
£2.26 inc VAT £1.88 exc VAT
£2.26 - £2.26
£2.26 inc VAT £1.88 exc VAT inc VAT £1.88 exc VAT

Hager JN001BP Single Pole Blank 125A Frame

Hager
£7.08 - £7.08
£7.08 inc VAT £5.90 exc VAT
£7.08 - £7.08
£7.08 inc VAT £5.90 exc VAT inc VAT £5.90 exc VAT
In stock

£7.08 - £7.08
£7.08 inc VAT £5.90 exc VAT
£7.08 - £7.08
£7.08 inc VAT £5.90 exc VAT inc VAT £5.90 exc VAT

Hager NBN340A MCB 3P 10kA/15kA B-40A 3M Type B

Hager
£33.54 - £33.54
£33.54 inc VAT £27.95 exc VAT
£33.54 - £33.54
£33.54 inc VAT £27.95 exc VAT inc VAT £27.95 exc VAT
Low stock

£33.54 - £33.54
£33.54 inc VAT £27.95 exc VAT
£33.54 - £33.54
£33.54 inc VAT £27.95 exc VAT inc VAT £27.95 exc VAT

Eaton PLS6-B16-MW 16A Single Pole 6kA B Curve MCB

Eaton
£4.95 - £4.95
£4.95 inc VAT £4.13 exc VAT
£4.95 - £4.95
£4.95 inc VAT £4.13 exc VAT inc VAT £4.13 exc VAT

£4.95 - £4.95
£4.95 inc VAT £4.13 exc VAT
£4.95 - £4.95
£4.95 inc VAT £4.13 exc VAT inc VAT £4.13 exc VAT

CED Axiom CUB63SP 63A-SP MCB B Type

CED
£3.00 - £3.00
£3.00 inc VAT £2.50 exc VAT
£3.00 - £3.00
£3.00 inc VAT £2.50 exc VAT inc VAT £2.50 exc VAT
Low stock

£3.00 - £3.00
£3.00 inc VAT £2.50 exc VAT
£3.00 - £3.00
£3.00 inc VAT £2.50 exc VAT inc VAT £2.50 exc VAT
Sold out

CED Axiom CUB20SP 20A-SP MCB B Type

CED
£2.18 - £2.18
£2.18 inc VAT £1.82 exc VAT
£2.18 - £2.18
£2.18 inc VAT £1.82 exc VAT inc VAT £1.82 exc VAT
Out of stock

£2.18 - £2.18
£2.18 inc VAT £1.82 exc VAT
£2.18 - £2.18
£2.18 inc VAT £1.82 exc VAT inc VAT £1.82 exc VAT
Sold out

Crabtree 61/B40 40A SP Type B 6kA MCB

Crabtree
£2.75 - £2.75
£2.75 inc VAT £2.29 exc VAT
£2.75 - £2.75
£2.75 inc VAT £2.29 exc VAT inc VAT £2.29 exc VAT
In stock

£2.75 - £2.75
£2.75 inc VAT £2.29 exc VAT
£2.75 - £2.75
£2.75 inc VAT £2.29 exc VAT inc VAT £2.29 exc VAT

Hager MTN110 10A 6KA SP Type B MCB

Hager
£2.46 - £2.46
£2.46 inc VAT £2.05 exc VAT
£2.46 - £2.46
£2.46 inc VAT £2.05 exc VAT inc VAT £2.05 exc VAT
In stock

Hager MCB 10A single pole, prevents overloads and short circuits from occurring in Hager consumer units. Hager's range of MCB's detect overcurrent...

View full details
£2.46 - £2.46
£2.46 inc VAT £2.05 exc VAT
£2.46 - £2.46
£2.46 inc VAT £2.05 exc VAT inc VAT £2.05 exc VAT

Live PCUBLANK Plastic Din Rail Full Blank MCB Size

Live
£0.53 - £0.53
£0.53 inc VAT £0.44 exc VAT
£0.53 - £0.53
£0.53 inc VAT £0.44 exc VAT inc VAT £0.44 exc VAT

Live PCUBLANK Plastic Din Rail Full Blank MCB Size

£0.53 - £0.53
£0.53 inc VAT £0.44 exc VAT
£0.53 - £0.53
£0.53 inc VAT £0.44 exc VAT inc VAT £0.44 exc VAT

BG CUMB16 Bidirectional 16A, B Curve, MCB, Single Pole, 6kA,1 module

BG
£2.22 - £2.22
£2.22 inc VAT £1.85 exc VAT
£2.22 - £2.22
£2.22 inc VAT £1.85 exc VAT inc VAT £1.85 exc VAT
In stock

BG CUMB16 Bidirectional 16A, B Curve, MCB, Single Pole, 6kA,1 module   The BG CUMB16‑01 16 A Type B Miniature Circuit Breaker (MCB) is a reliable o...

View full details
£2.22 - £2.22
£2.22 inc VAT £1.85 exc VAT
£2.22 - £2.22
£2.22 inc VAT £1.85 exc VAT inc VAT £1.85 exc VAT

Schneider A9F54340 Acti9 iC60H 3P 40A C Miniature Circuit breaker

Schneider
£58.73 - £58.73
£58.73 inc VAT £48.94 exc VAT
£58.73 - £58.73
£58.73 inc VAT £48.94 exc VAT inc VAT £48.94 exc VAT

£58.73 - £58.73
£58.73 inc VAT £48.94 exc VAT
£58.73 - £58.73
£58.73 inc VAT £48.94 exc VAT inc VAT £48.94 exc VAT
Sold out

Wylex NH00PP Twist Fit Cover Blank Plate

Wylex
£0.76 - £0.76
£0.76 inc VAT £0.63 exc VAT
£0.76 - £0.76
£0.76 inc VAT £0.63 exc VAT inc VAT £0.63 exc VAT
Out of stock

£0.76 - £0.76
£0.76 inc VAT £0.63 exc VAT
£0.76 - £0.76
£0.76 inc VAT £0.63 exc VAT inc VAT £0.63 exc VAT
Sold out
Sold out

CED Axiom CUBT15A 8/12/24V 2 MOD 240V Bell Transformer

CED
£12.55 - £12.55
£12.55 inc VAT £10.46 exc VAT
£12.55 - £12.55
£12.55 inc VAT £10.46 exc VAT inc VAT £10.46 exc VAT
Out of stock

£12.55 - £12.55
£12.55 inc VAT £10.46 exc VAT
£12.55 - £12.55
£12.55 inc VAT £10.46 exc VAT inc VAT £10.46 exc VAT
Sold out

Hager NBN332A MCB 3P 10kA/15kA B-32A 3M Type B

Hager
£32.34 - £32.34
£32.34 inc VAT £26.95 exc VAT
£32.34 - £32.34
£32.34 inc VAT £26.95 exc VAT inc VAT £26.95 exc VAT
In stock

Hager NBN332A MCB 3P 10kA/15kA B-32A 3M Type B

£32.34 - £32.34
£32.34 inc VAT £26.95 exc VAT
£32.34 - £32.34
£32.34 inc VAT £26.95 exc VAT inc VAT £26.95 exc VAT

Hager NBN325A MCB 3P 10kA/15kA B-25A 3M Type B

Hager
£32.34 - £32.34
£32.34 inc VAT £26.95 exc VAT
£32.34 - £32.34
£32.34 inc VAT £26.95 exc VAT inc VAT £26.95 exc VAT
In stock

£32.34 - £32.34
£32.34 inc VAT £26.95 exc VAT
£32.34 - £32.34
£32.34 inc VAT £26.95 exc VAT inc VAT £26.95 exc VAT

Hager MTN150 50A 6KA SP Type B MCB

Hager
£2.65 - £2.65
£2.65 inc VAT £2.21 exc VAT
£2.65 - £2.65
£2.65 inc VAT £2.21 exc VAT inc VAT £2.21 exc VAT
In stock

Hager's range of MCB's detect overcurrents via overloads and fault currents and interrupt the supply to prevent damage to the installation.

£2.65 - £2.65
£2.65 inc VAT £2.21 exc VAT
£2.65 - £2.65
£2.65 inc VAT £2.21 exc VAT inc VAT £2.21 exc VAT

MK Sentry H5950S 50A SP TYPE B MCB

MK
£2.80 - £2.80
£2.80 inc VAT £2.33 exc VAT
£2.80 - £2.80
£2.80 inc VAT £2.33 exc VAT inc VAT £2.33 exc VAT
Low stock

MK Sentry MCB 50A H5950S, providing a single pole, single module format. H5950S provides an overcurrent rating of 50A and a short circuit breaking ...

View full details
£2.80 - £2.80
£2.80 inc VAT £2.33 exc VAT
£2.80 - £2.80
£2.80 inc VAT £2.33 exc VAT inc VAT £2.33 exc VAT

Red Arrow ZB40 CTI B Curve 6kA MCB 40A

Red Arrow
£1.10 - £1.10
£1.10 inc VAT £0.92 exc VAT
£1.10 - £1.10
£1.10 inc VAT £0.92 exc VAT inc VAT £0.92 exc VAT

Red Arrow ZB40 CTI B Curve 6kA MCB 40A

£1.10 - £1.10
£1.10 inc VAT £0.92 exc VAT
£1.10 - £1.10
£1.10 inc VAT £0.92 exc VAT inc VAT £0.92 exc VAT