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Electrical & Smart home
Circuit protection
MCBs
Single pole MCBs

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Single pole MCBs

256 products

Choose a single-pole circuit breaker suited to your electrical needs to ensure effective and reliable protection for your installations.

Legrand 022503 Vistop 32A 2P disconnector switch

Legrand 022503 Vistop 32A 2P disconnector switch

£890.77

Phoenix contact 2906031 Circuit breaker 24VDC 4A Series CBMC

Phoenix contact 2906031 Circuit breaker 24VDC 4A Series CBMC

£780.82

Moeller PLS6-C0.5-MW Modular Circuit Breaker 0.5A C 6Ka 1-pole.

Moeller PLS6-C0.5-MW Modular Circuit Breaker 0.5A C 6Ka 1-pole.

£760.24

Schneider 18821 - Acti9 NG125L - Modular circuit breaker - 4P - 10A - C curve 50kA

Schneider 18821 - Acti9 NG125L - Modular circuit breaker - 4P - 10A - C curve 50kA

£3320.84

Free shipping

Phoenix Contact 2905743 4-channel electronic circuit breaker, adjustable from 0.5 to 10A with current limitation (1/3)

Phoenix Contact 2905743 4-channel electronic circuit breaker, adjustable from 0.5 to 10A with current limitation (2/3)

Phoenix Contact 2905743 4-channel electronic circuit breaker, adjustable from 0.5 to 10A with current limitation (3/3)

Phoenix Contact 2905743 4-channel electronic circuit breaker, adjustable from 0.5 to 10A with current limitation

£1140.62

Phoenix contact 2905744 Multi-channel appliance circuit breaker

Phoenix contact 2905744 Multi-channel appliance circuit breaker

£3710.54

Free shipping

Schneider LV430403 Circuit breaker without trigger 3P Compact NSX160F

Schneider LV430403 Circuit breaker without trigger 3P Compact NSX160F

£3850.74

Free shipping

Schneider R9E10260 Resi9 DB60 Branch circuit breaker - 1P+N - 60A fixed - 500mA

Schneider R9E10260 Resi9 DB60 Branch circuit breaker - 1P+N - 60A fixed - 500mA

£1180.94

Hager MCA340 Circuit breaker 3P 40A curve C 6/10kA

Hager MCA340 Circuit breaker 3P 40A curve C 6/10kA

£1030.15

General Electric 585033 circuit breaker enedis type 1p+n 60 a 500 ma instantaneous

General Electric 585033 circuit breaker enedis type 1p+n 60 a 500 ma instantaneous

£1240.76

Schneider MGN61512 CIRCUIT BREAKER C60H-DC 250VDC 20A 1P C

Schneider MGN61512 CIRCUIT BREAKER C60H-DC 250VDC 20A 1P C

£1370.64

Gewiss GW92093 4-pole thermal-magnetic circuit breaker, C63, 6 kA, 4 m

Gewiss GW92093 4-pole thermal-magnetic circuit breaker, C63, 6 kA, 4 m

£1440.58

Schneider 18858 Modular circuit breaker multi 9 ng125l 4 poles 16 a curve d

Schneider 18858 Modular circuit breaker multi 9 ng125l 4 poles 16 a curve d

£4290.84

Free shipping

Schneider A9F75403 Circuit breaker 3A - Acti9 - iC60N - 4P - D curve

Schneider A9F75403 Circuit breaker 3A - Acti9 - iC60N - 4P - D curve

£1580.27

Legrand 409569 DX³ Circuit Breaker 10000 - screw-to-screw - DC - 20A - C-curve - start protection

Legrand 409569 DX³ Circuit Breaker 10000 - screw-to-screw - DC - 20A - C-curve - start protection

£1480.77

Legrand 007165 Magnetic circuit breaker only DX-MA - Lexic - 3P 10A 15kA - MA curve

Legrand 007165 Magnetic circuit breaker only DX-MA - Lexic - 3P 10A 15kA - MA curve

£1780.62

Schneider ELECTRIC Telemecanique GS1 JD3 - BASE BLOCK SWITCH DISCOVERER FUSE GS1 3P 3 F NFC 100 A

Schneider ELECTRIC Telemecanique GS1 JD3 - BASE BLOCK SWITCH DISCOVERER FUSE GS1 3P 3 F NFC 100 A

£1470.89

Abb 748214 - High performance mini circuit breaker 20A 2P 5kA 800Vdc - S802PV

Abb 748214 - High performance mini circuit breaker 20A 2P 5kA 800Vdc - S802PV

£2380.68

Schneider A9F77463 Circuit breaker 63A 4P ic60n Acti9

Schneider A9F77463 Circuit breaker 63A 4P ic60n Acti9

£2570.08

ABB 1SDA063532R1 Circuit breaker 4P T1C 160 630A Cu(1x70mm≤)

ABB 1SDA063532R1 Circuit breaker 4P T1C 160 630A Cu(1x70mm≤)

£1970.88

Legrand 025297 - Free-trigger switch DPX-I 250 ER - 4P - 160A

Legrand 025297 - Free-trigger switch DPX-I 250 ER - 4P - 160A

£4880.56

Free shipping

Schneider LV432094 Micrologic 5.3 A 400A 4P 4D Trip for NSX400/630 Circuit Breaker

Schneider LV432094 Micrologic 5.3 A 400A 4P 4D Trip for NSX400/630 Circuit Breaker

£9570.48

Free shipping

Legrand 025256 DPX 250 ER power circuit breaker - 250A 4P 50kA - thermal-magnetic

Legrand 025256 DPX 250 ER power circuit breaker - 250A 4P 50kA - thermal-magnetic

£1,1680.33

Free shipping

Legrand 025421 DPX-H 250 power circuit breaker - electronic S1 - 70kA 100A 4P

Legrand 025421 DPX-H 250 power circuit breaker - electronic S1 - 70kA 100A 4P

£1,4880.63

Free shipping

Schneider LV430860 Nsx160n tm160d 4p4d compact circuit breaker

Schneider LV430860 Nsx160n tm160d 4p4d compact circuit breaker

£1,1680.95

Free shipping

Schneider LV432957 Switch-disconnector NSX630NA 0.3 NA 4P Compact

Schneider LV432957 Switch-disconnector NSX630NA 0.3 NA 4P Compact

£1,6970.89

Free shipping

Legrand 025372 Power circuit breaker dpx-h 250 160A 4P

Legrand 025372 Power circuit breaker dpx-h 250 160A 4P

£2,4420.88

Free shipping

Allen-Bradley 1747-L532 Processor 5/02 SLC 500 CPU

Allen-Bradley 1747-L532 Processor 5/02 SLC 500 CPU

£2,9420.21

Free shipping

Universal clamp-on circuit breaker, plastic safety locking device + safety lock + warning label (1/5)

Universal clamp-on circuit breaker, plastic safety locking device + safety lock + warning label (2/5)

Universal clamp-on circuit breaker, plastic safety locking device + safety lock + warning label (3/5)

Universal clamp-on circuit breaker, plastic safety locking device + safety lock + warning label (4/5)

Universal clamp-on circuit breaker, plastic safety locking device + safety lock + warning label (5/5)

Universal clamp-on circuit breaker, plastic safety locking device + safety lock + warning label

£200.70

~~£50.04~~

Car Circuit Breaker Protection 12V 24V DC with Manual Fuse Reset Switch 100A (1/5)

Car Circuit Breaker Protection 12V 24V DC with Manual Fuse Reset Switch 100A (2/5)

Car Circuit Breaker Protection 12V 24V DC with Manual Fuse Reset Switch 100A (3/5)

Car Circuit Breaker Protection 12V 24V DC with Manual Fuse Reset Switch 100A (4/5)

Car Circuit Breaker Protection 12V 24V DC with Manual Fuse Reset Switch 100A (5/5)

Car Circuit Breaker Protection 12V 24V DC with Manual Fuse Reset Switch 100A

£210.59

~~£51.71~~

Merlin Gerin 15005 1-Pole Multi 9-Circuit Circuit Breaker, 20A 250V

Merlin Gerin 15005 1-Pole Multi 9-Circuit Circuit Breaker, 20A 250V

£280.95

Schneider A9N21014 Schneider Electric DT40 Circuit Breaker, 1P+N, 32A, Curve B, Prodis

Schneider A9N21014 Schneider Electric DT40 Circuit Breaker, 1P+N, 32A, Curve B, Prodis

£540.62

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