Single pole MCBs

370 products

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

Miniature DC circuit breaker, 4000A breaking capacity, 2P 1000V circuit breaker for off-grid solar systems (1/5)

Miniature DC circuit breaker, 4000A breaking capacity, 2P 1000V circuit breaker for off-grid solar systems (2/5)

Miniature DC circuit breaker, 4000A breaking capacity, 2P 1000V circuit breaker for off-grid solar systems (3/5)

Miniature DC circuit breaker, 4000A breaking capacity, 2P 1000V circuit breaker for off-grid solar systems

~~£47.44~~

50A waterproof car circuit breaker for 12V-48V DC systems, with a manual reset fuse holder, suitable for boats and cars. (1/5)

50A waterproof car circuit breaker for 12V-48V DC systems, with a manual reset fuse holder, suitable for boats and cars. (2/5)

50A waterproof car circuit breaker for 12V-48V DC systems, with a manual reset fuse holder, suitable for boats and cars. (3/5)

50A waterproof car circuit breaker for 12V-48V DC systems, with a manual reset fuse holder, suitable for boats and cars.

~~£41.66~~

Miniature circuit breaker, IP65 waterproof, 2-pole, 40A DC 12-400V AC 90-400V, solar disconnect switch, circuit breaker with enclosure for grid-connected solar systems (1/4)

Miniature circuit breaker, IP65 waterproof, 2-pole, 40A DC 12-400V AC 90-400V, solar disconnect switch, circuit breaker with enclosure for grid-connected solar systems

~~£38.28~~

Car circuit breaker, 80A-300A universal automatic resettable circuit breaker self-recovery fuse manual reset button for cars (300A). (1/5)

Car circuit breaker, 80A-300A universal automatic resettable circuit breaker self-recovery fuse manual reset button for cars (300A). (2/5)

Car circuit breaker, 80A-300A universal automatic resettable circuit breaker self-recovery fuse manual reset button for cars (300A). (3/5)

Car circuit breaker, 80A-300A universal automatic resettable circuit breaker self-recovery fuse manual reset button for cars (300A).

~~£38.69~~

10A 125/250V Thermal Reset Switch Circuit Breaker Overcurrent Overload Protector for Generator (1/5)

10A 125/250V Thermal Reset Switch Circuit Breaker Overcurrent Overload Protector for Generator (2/5)

10A 125/250V Thermal Reset Switch Circuit Breaker Overcurrent Overload Protector for Generator (3/5)

10A 125/250V Thermal Reset Switch Circuit Breaker Overcurrent Overload Protector for Generator

~~£44.04~~

300A DC12-48V Manual Reset Circuit Breaker with Fuse Holder, Waterproof Car Circuit Breaker for Car, Boat, Trolling Motor, Marine (1/5)

300A DC12-48V Manual Reset Circuit Breaker with Fuse Holder, Waterproof Car Circuit Breaker for Car, Boat, Trolling Motor, Marine (2/5)

300A DC12-48V Manual Reset Circuit Breaker with Fuse Holder, Waterproof Car Circuit Breaker for Car, Boat, Trolling Motor, Marine (3/5)

300A DC12-48V Manual Reset Circuit Breaker with Fuse Holder, Waterproof Car Circuit Breaker for Car, Boat, Trolling Motor, Marine

~~£48.36~~

300A DC12-48V Manual Reset Circuit Breaker with Fuse Holder, Waterproof Car Circuit Breaker for Car, Boat, Trolling Motor, Marine

~~£48.36~~

Miniature DC 2P 25A Circuit Breaker DC12V-400V AC90-400V IP65 Waterproof Disconnect Switch for Solar PV System (1/5)

Miniature DC 2P 25A Circuit Breaker DC12V-400V AC90-400V IP65 Waterproof Disconnect Switch for Solar PV System (2/5)

Miniature DC 2P 25A Circuit Breaker DC12V-400V AC90-400V IP65 Waterproof Disconnect Switch for Solar PV System (3/5)

Miniature DC 2P 25A Circuit Breaker DC12V-400V AC90-400V IP65 Waterproof Disconnect Switch for Solar PV System

~~£40.22~~

Circuit breaker locking device, 5 pieces, miniature electrical locking pin, industrial grade standard switch (1/5)

Circuit breaker locking device, 5 pieces, miniature electrical locking pin, industrial grade standard switch (2/5)

Circuit breaker locking device, 5 pieces, miniature electrical locking pin, industrial grade standard switch (3/5)

Circuit breaker locking device, 5 pieces, miniature electrical locking pin, industrial grade standard switch

~~£44.42~~

Schneider LV430860 Nsx160n tm160d 4p4d compact circuit breaker

Free shipping

piece 40A 220V rail automatic recovery reconnection overvoltage and undervoltage protection device protection relay (40A) (1/5)

piece 40A 220V rail automatic recovery reconnection overvoltage and undervoltage protection device protection relay (40A) (2/5)

piece 40A 220V rail automatic recovery reconnection overvoltage and undervoltage protection device protection relay (40A) (3/5)

piece 40A 220V rail automatic recovery reconnection overvoltage and undervoltage protection device protection relay (40A)

~~£46.11~~

60-piece L7805CV and LM317t transistor kit with storage box, 10-value assortment (1/5)

60-piece L7805CV and LM317t transistor kit with storage box, 10-value assortment (2/5)

60-piece L7805CV and LM317t transistor kit with storage box, 10-value assortment (3/5)

60-piece L7805CV and LM317t transistor kit with storage box, 10-value assortment

~~£46.65~~

Miniature DC 2P 125A IP65 Circuit Breaker – Waterproof for Solar Systems – Overload Protection – Flame-Retardant PA66 Material (1/5)

Miniature DC 2P 125A IP65 Circuit Breaker – Waterproof for Solar Systems – Overload Protection – Flame-Retardant PA66 Material (2/5)

Miniature DC 2P 125A IP65 Circuit Breaker – Waterproof for Solar Systems – Overload Protection – Flame-Retardant PA66 Material (3/5)

Miniature DC 2P 125A IP65 Circuit Breaker – Waterproof for Solar Systems – Overload Protection – Flame-Retardant PA66 Material

~~£59.04~~

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

Free shipping

DC12V Circuit Breaker Disconnect Switch for Car Marine Boat Bicycle Fuse Reset 80-300A (200A) (1/5)

DC12V Circuit Breaker Disconnect Switch for Car Marine Boat Bicycle Fuse Reset 80-300A (200A) (2/5)

DC12V Circuit Breaker Disconnect Switch for Car Marine Boat Bicycle Fuse Reset 80-300A (200A) (3/5)

DC12V Circuit Breaker Disconnect Switch for Car Marine Boat Bicycle Fuse Reset 80-300A (200A)

~~£47.72~~

10 Pieces Anti-Clogging Cleaning Brush for Shower Head Hole Cleaner (1/5)

10 Pieces Anti-Clogging Cleaning Brush for Shower Head Hole Cleaner (2/5)

10 Pieces Anti-Clogging Cleaning Brush for Shower Head Hole Cleaner (3/5)

10 Pieces Anti-Clogging Cleaning Brush for Shower Head Hole Cleaner

~~£47.70~~

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

Free shipping

125-250V AC 50V DC (10A) Monobloc Circuit Breaker Thermal Reset Switch, Push Button Circuit Breaker for Protection Against Overheating (1/4)

125-250V AC 50V DC (10A) Monobloc Circuit Breaker Thermal Reset Switch, Push Button Circuit Breaker for Protection Against Overheating (2/4)

125-250V AC 50V DC (10A) Monobloc Circuit Breaker Thermal Reset Switch, Push Button Circuit Breaker for Protection Against Overheating

~~£52.28~~

100A Circuit Breaker, Resettable Circuit Breaker, 200A Automatic Recovery Circuit Breaker, Manual Reset Button for Car Audio and Amplifier Protection (1/5)

100A Circuit Breaker, Resettable Circuit Breaker, 200A Automatic Recovery Circuit Breaker, Manual Reset Button for Car Audio and Amplifier Protection

~~£58.22~~

300A 12-48 Volt DC self-resetting circuit breaker with manual reset button for automotive, RV, marine, and boat applications (300 Amp) (1/5)

300A 12-48 Volt DC self-resetting circuit breaker with manual reset button for automotive, RV, marine, and boat applications (300 Amp) (2/5)

300A 12-48 Volt DC self-resetting circuit breaker with manual reset button for automotive, RV, marine, and boat applications (300 Amp) (3/5)

300A 12-48 Volt DC self-resetting circuit breaker with manual reset button for automotive, RV, marine, and boat applications (300 Amp)

~~£62.29~~

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

Free shipping

12V-24V 100A DC Automatic Fuse Switch Circuit Breaker Reset Fuse for Car, Marine, Boat, Bicycle, Stereo, and Audio (100A) (1/5)

12V-24V 100A DC Automatic Fuse Switch Circuit Breaker Reset Fuse for Car, Marine, Boat, Bicycle, Stereo, and Audio (100A) (2/5)

12V-24V 100A DC Automatic Fuse Switch Circuit Breaker Reset Fuse for Car, Marine, Boat, Bicycle, Stereo, and Audio (100A) (3/5)

12V-24V 100A DC Automatic Fuse Switch Circuit Breaker Reset Fuse for Car, Marine, Boat, Bicycle, Stereo, and Audio (100A)

~~£71.03~~

(15 A) 15 A Circuit Breaker with Optional Thermal Reset, 125-250 V AC 50 V DC Overload Protection (1/5)

(15 A) 15 A Circuit Breaker with Optional Thermal Reset, 125-250 V AC 50 V DC Overload Protection (2/5)

(15 A) 15 A Circuit Breaker with Optional Thermal Reset, 125-250 V AC 50 V DC Overload Protection (3/5)

(15 A) 15 A Circuit Breaker with Optional Thermal Reset, 125-250 V AC 50 V DC Overload Protection

~~£59.78~~

20A circuit breaker with optional thermal reset switch, 125-250V AC 50V DC surge protection push-button circuit breaker (1/5)

20A circuit breaker with optional thermal reset switch, 125-250V AC 50V DC surge protection push-button circuit breaker (2/5)

20A circuit breaker with optional thermal reset switch, 125-250V AC 50V DC surge protection push-button circuit breaker (3/5)

20A circuit breaker with optional thermal reset switch, 125-250V AC 50V DC surge protection push-button circuit breaker

~~£59.78~~

(5 A) 5 A Circuit Breaker with Optional Thermal Reset, 125-250 V AC 50 V DC Overload Protection (1/5)

(5 A) 5 A Circuit Breaker with Optional Thermal Reset, 125-250 V AC 50 V DC Overload Protection (2/5)

(5 A) 5 A Circuit Breaker with Optional Thermal Reset, 125-250 V AC 50 V DC Overload Protection (3/5)

(5 A) 5 A Circuit Breaker with Optional Thermal Reset, 125-250 V AC 50 V DC Overload Protection

~~£59.78~~

(10a) 10A Circuit Breaker with Optional Thermal Reset, 125-250V AC 50V DC Overload Protection (1/5)

(10a) 10A Circuit Breaker with Optional Thermal Reset, 125-250V AC 50V DC Overload Protection (2/5)

(10a) 10A Circuit Breaker with Optional Thermal Reset, 125-250V AC 50V DC Overload Protection (3/5)

(10a) 10A Circuit Breaker with Optional Thermal Reset, 125-250V AC 50V DC Overload Protection

~~£59.78~~

18A circuit breaker with optional thermal reset switch, 125-250V AC 50V DC surge protection push-button circuit breaker (1/5)

18A circuit breaker with optional thermal reset switch, 125-250V AC 50V DC surge protection push-button circuit breaker (2/5)

18A circuit breaker with optional thermal reset switch, 125-250V AC 50V DC surge protection push-button circuit breaker (3/5)

18A circuit breaker with optional thermal reset switch, 125-250V AC 50V DC surge protection push-button circuit breaker

~~£59.78~~

15A circuit breaker with optional thermal reset switch, 125-250V AC 50V DC surge protection push-button circuit breaker (1/5)

15A circuit breaker with optional thermal reset switch, 125-250V AC 50V DC surge protection push-button circuit breaker (2/5)

15A circuit breaker with optional thermal reset switch, 125-250V AC 50V DC surge protection push-button circuit breaker (3/5)

15A circuit breaker with optional thermal reset switch, 125-250V AC 50V DC surge protection push-button circuit breaker

~~£59.78~~

25A circuit breaker with optional thermal reset switch, 125-250V AC 50V DC surge protection push-button circuit breaker (1/5)

25A circuit breaker with optional thermal reset switch, 125-250V AC 50V DC surge protection push-button circuit breaker (2/5)

25A circuit breaker with optional thermal reset switch, 125-250V AC 50V DC surge protection push-button circuit breaker (3/5)

25A circuit breaker with optional thermal reset switch, 125-250V AC 50V DC surge protection push-button circuit breaker

~~£59.78~~

Miniature circuit breakers 2p 40a DC 500v Mini Photovoltaic Circuit Breaker MCB Safety Circuit Breaker DZ47-63Z-2P Electrical Protection Accessories (1/5)

Miniature circuit breakers 2p 40a DC 500v Mini Photovoltaic Circuit Breaker MCB Safety Circuit Breaker DZ47-63Z-2P Electrical Protection Accessories

~~£74.78~~

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

Free shipping

Schneider LV432957 Switch-disconnector NSX630NA 0.3 NA 4P Compact

Free shipping

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

Free shipping

Schneider 18796 Multi 9 Ng125L Modular Circuit Breaker, 2-Pole, 80 A, C-Curve

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Single pole MCBs