Single pole MCBs

373 products

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

Small Circuit Breaker, Modular Structure 2P Mini Circuit Breaker DC DC500V for Photovoltaic Solar System (25A) (1/5)

Small Circuit Breaker, Modular Structure 2P Mini Circuit Breaker DC DC500V for Photovoltaic Solar System (25A) (2/5)

Small Circuit Breaker, Modular Structure 2P Mini Circuit Breaker DC DC500V for Photovoltaic Solar System (25A) (3/5)

Small Circuit Breaker, Modular Structure 2P Mini Circuit Breaker DC DC500V for Photovoltaic Solar System (25A)

~~£38.49~~

150A Circuit Breaker, 12V-48V DC Circuit Breaker with Manual Reset Waterproof Inline Fuse, Suitable for RVs, Trailers, RVs, Ships (1/5)

150A Circuit Breaker, 12V-48V DC Circuit Breaker with Manual Reset Waterproof Inline Fuse, Suitable for RVs, Trailers, RVs, Ships (2/5)

150A Circuit Breaker, 12V-48V DC Circuit Breaker with Manual Reset Waterproof Inline Fuse, Suitable for RVs, Trailers, RVs, Ships (3/5)

150A Circuit Breaker, 12V-48V DC Circuit Breaker with Manual Reset Waterproof Inline Fuse, Suitable for RVs, Trailers, RVs, Ships

~~£63.14~~

Free shipping

Photovoltaic Circuit Breaker, DC Circuit Breaker, Magnetic System, 1000V Auxiliary Arc Extinguisher for Electric Motorcycle (40A) (1/5)

Photovoltaic Circuit Breaker, DC Circuit Breaker, Magnetic System, 1000V Auxiliary Arc Extinguisher for Electric Motorcycle (40A) (2/5)

Photovoltaic Circuit Breaker, DC Circuit Breaker, Magnetic System, 1000V Auxiliary Arc Extinguisher for Electric Motorcycle (40A) (3/5)

Photovoltaic Circuit Breaker, DC Circuit Breaker, Magnetic System, 1000V Auxiliary Arc Extinguisher for Electric Motorcycle (40A)

~~£38.59~~

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

~~£38.57~~

Small Circuit Breaker, Modular Structure 2P Mini Circuit Breaker DC DC500V for Photovoltaic Solar System (50A) (1/5)

Small Circuit Breaker, Modular Structure 2P Mini Circuit Breaker DC DC500V for Photovoltaic Solar System (50A) (2/5)

Small Circuit Breaker, Modular Structure 2P Mini Circuit Breaker DC DC500V for Photovoltaic Solar System (50A) (3/5)

Small Circuit Breaker, Modular Structure 2P Mini Circuit Breaker DC DC500V for Photovoltaic Solar System (50A)

~~£38.72~~

10A Circuit Breaker with Optional Thermal Reset Switch, 125-250V AC 50V DC Overcurrent Protection Pushbutton Circuit Breaker

~~£38.89~~

2P DC Miniature Circuit Breaker 50A 1000V 6000A Breaking Capacity Short Circuit Protection PV DIN Rail Mount Circuit Breaker (1/5)

2P DC Miniature Circuit Breaker 50A 1000V 6000A Breaking Capacity Short Circuit Protection PV DIN Rail Mount Circuit Breaker (2/5)

2P DC Miniature Circuit Breaker 50A 1000V 6000A Breaking Capacity Short Circuit Protection PV DIN Rail Mount Circuit Breaker (3/5)

2P DC Miniature Circuit Breaker 50A 1000V 6000A Breaking Capacity Short Circuit Protection PV DIN Rail Mount Circuit Breaker

~~£38.76~~

Small Circuit Breaker, Modular Structure 2P Mini Circuit Breaker DC DC500V for Photovoltaic Solar System (16A) (1/5)

Small Circuit Breaker, Modular Structure 2P Mini Circuit Breaker DC DC500V for Photovoltaic Solar System (16A) (2/5)

Small Circuit Breaker, Modular Structure 2P Mini Circuit Breaker DC DC500V for Photovoltaic Solar System (16A) (3/5)

Small Circuit Breaker, Modular Structure 2P Mini Circuit Breaker DC DC500V for Photovoltaic Solar System (16A)

~~£38.76~~

2P Mini Circuit Breaker DZ47s 63Z 32A Circuit Breaker 35mm DIN Rail Mounting DC500V Circuit Breaker for Solar System (1/5)

2P Mini Circuit Breaker DZ47s 63Z 32A Circuit Breaker 35mm DIN Rail Mounting DC500V Circuit Breaker for Solar System (2/5)

2P Mini Circuit Breaker DZ47s 63Z 32A Circuit Breaker 35mm DIN Rail Mounting DC500V Circuit Breaker for Solar System (3/5)

2P Mini Circuit Breaker DZ47s 63Z 32A Circuit Breaker 35mm DIN Rail Mounting DC500V Circuit Breaker for Solar System

~~£38.68~~

Photovoltaic Circuit Breaker, DC Circuit Breaker, Magnetic System, 1000V Auxiliary Arc Extinguisher for Electric Motorcycle (50A) (1/5)

Photovoltaic Circuit Breaker, DC Circuit Breaker, Magnetic System, 1000V Auxiliary Arc Extinguisher for Electric Motorcycle (50A) (2/5)

Photovoltaic Circuit Breaker, DC Circuit Breaker, Magnetic System, 1000V Auxiliary Arc Extinguisher for Electric Motorcycle (50A) (3/5)

Photovoltaic Circuit Breaker, DC Circuit Breaker, Magnetic System, 1000V Auxiliary Arc Extinguisher for Electric Motorcycle (50A)

~~£38.68~~

Tuya Automatic Reclose Protector Smart Circuit Breaker Single-Phase Digital Display Reclose Switch Current and Voltage Leakage Protection Device (1/5)

Tuya Automatic Reclose Protector Smart Circuit Breaker Single-Phase Digital Display Reclose Switch Current and Voltage Leakage Protection Device

Free shipping

Schneider LV430403 Circuit breaker without trigger 3P Compact NSX160F

Free shipping

Phoenix contact 2905744 Multi-channel appliance circuit breaker

Free shipping

2P DC Circuit Breaker with DIN Rail, 1000V 25A Modular Short-Circuit Protection Circuit Breaker for DC Power System (1/5)

2P DC Circuit Breaker with DIN Rail, 1000V 25A Modular Short-Circuit Protection Circuit Breaker for DC Power System (2/5)

2P DC Circuit Breaker with DIN Rail, 1000V 25A Modular Short-Circuit Protection Circuit Breaker for DC Power System (3/5)

2P DC Circuit Breaker with DIN Rail, 1000V 25A Modular Short-Circuit Protection Circuit Breaker for DC Power System

~~£38.94~~

Miniature Circuit Breaker, DC Arc Extinguishing Circuit Breaker Overload Protection 500V for Power Supply System (25A) (1/5)

Miniature Circuit Breaker, DC Arc Extinguishing Circuit Breaker Overload Protection 500V for Power Supply System (25A) (2/5)

Miniature Circuit Breaker, DC Arc Extinguishing Circuit Breaker Overload Protection 500V for Power Supply System (25A) (3/5)

Miniature Circuit Breaker, DC Arc Extinguishing Circuit Breaker Overload Protection 500V for Power Supply System (25A)

~~£39.00~~

Miniature Circuit Breaker, DC Arc Extinguishing Circuit Breaker Overload Protection 500V for Power Supply System (16A) (1/5)

Miniature Circuit Breaker, DC Arc Extinguishing Circuit Breaker Overload Protection 500V for Power Supply System (16A) (2/5)

Miniature Circuit Breaker, DC Arc Extinguishing Circuit Breaker Overload Protection 500V for Power Supply System (16A) (3/5)

Miniature Circuit Breaker, DC Arc Extinguishing Circuit Breaker Overload Protection 500V for Power Supply System (16A)

~~£39.00~~

8A Manual Reset Thermal Circuit Breaker – Overload Protector for Domestic and Industrial Electrical Installations (1/4)

8A Manual Reset Thermal Circuit Breaker – Overload Protector for Domestic and Industrial Electrical Installations (2/4)

8A Manual Reset Thermal Circuit Breaker – Overload Protector for Domestic and Industrial Electrical Installations

~~£28.00~~

Miniature Circuit Breaker SG DC 2P 50A DC1000V 6000A Breaking Capacity DIN Rail Mount Fast Arc Extinction for Solar PV System DZ47s 63Z C50 (1/5)

Miniature Circuit Breaker SG DC 2P 50A DC1000V 6000A Breaking Capacity DIN Rail Mount Fast Arc Extinction for Solar PV System DZ47s 63Z C50 (2/5)

Miniature Circuit Breaker SG DC 2P 50A DC1000V 6000A Breaking Capacity DIN Rail Mount Fast Arc Extinction for Solar PV System DZ47s 63Z C50 (3/5)

Miniature Circuit Breaker SG DC 2P 50A DC1000V 6000A Breaking Capacity DIN Rail Mount Fast Arc Extinction for Solar PV System DZ47s 63Z C50

~~£39.06~~

2P DC Miniature Circuit Breaker, Breaking Capacity DC1000V 6000A Mini Circuit Breaker for DIN Rail Mounting Solar PV System (1/5)

2P DC Miniature Circuit Breaker, Breaking Capacity DC1000V 6000A Mini Circuit Breaker for DIN Rail Mounting Solar PV System (2/5)

2P DC Miniature Circuit Breaker, Breaking Capacity DC1000V 6000A Mini Circuit Breaker for DIN Rail Mounting Solar PV System (3/5)

2P DC Miniature Circuit Breaker, Breaking Capacity DC1000V 6000A Mini Circuit Breaker for DIN Rail Mounting Solar PV System

~~£39.19~~

2034706694 71286 7409286 2250272 347509 Applicable to Mercedes-Benz W203 auxiliary pump (1/4)

2034706694 71286 7409286 2250272 347509 Applicable to Mercedes-Benz W203 auxiliary pump (2/4)

2034706694 71286 7409286 2250272 347509 Applicable to Mercedes-Benz W203 auxiliary pump

~~£84.51~~

Free shipping

Miniature Circuit Breaker, DC Arc Extinguishing Circuit Breaker Overload Protection 500V for Power Supply System (50A) (1/5)

Miniature Circuit Breaker, DC Arc Extinguishing Circuit Breaker Overload Protection 500V for Power Supply System (50A) (2/5)

Miniature Circuit Breaker, DC Arc Extinguishing Circuit Breaker Overload Protection 500V for Power Supply System (50A) (3/5)

Miniature Circuit Breaker, DC Arc Extinguishing Circuit Breaker Overload Protection 500V for Power Supply System (50A)

~~£39.39~~

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

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

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

Latinaric Auto Circuit Breaker Car Protection 12V - 24V DC with Manual Fuse Reset Switch (100A)

~~£24.27~~

Schneider 18659 Circuit breaker 4P 100A curve C Multi9 NG125N

Free shipping

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

Free shipping

Miniature DC circuit breaker, 1 pole, 125A DC250V, DIN rail mounting for solar PV system TOB1Z 125 C125, DIN rail mounting (1/5)

Miniature DC circuit breaker, 1 pole, 125A DC250V, DIN rail mounting for solar PV system TOB1Z 125 C125, DIN rail mounting (2/5)

Miniature DC circuit breaker, 1 pole, 125A DC250V, DIN rail mounting for solar PV system TOB1Z 125 C125, DIN rail mounting (3/5)

Miniature DC circuit breaker, 1 pole, 125A DC250V, DIN rail mounting for solar PV system TOB1Z 125 C125, DIN rail mounting

~~£39.90~~

Miniature circuit breakers 63 A 400 V AC/DC, breaking capacity 2P 4kA, flame-resistant circuit breaker suitable for solar panel PV systems, 35 mm DIN rail mounting (1/5)

Miniature circuit breakers 63 A 400 V AC/DC, breaking capacity 2P 4kA, flame-resistant circuit breaker suitable for solar panel PV systems, 35 mm DIN rail mounting

~~£39.90~~

DC 100A Circuit Breaker Sensitive Trip, Overload Protection for Solar System, Breaking Capacity 1P 10KA for Photovoltaic Solar. (1/5)

DC 100A Circuit Breaker Sensitive Trip, Overload Protection for Solar System, Breaking Capacity 1P 10KA for Photovoltaic Solar. (2/5)

DC 100A Circuit Breaker Sensitive Trip, Overload Protection for Solar System, Breaking Capacity 1P 10KA for Photovoltaic Solar. (3/5)

DC 100A Circuit Breaker Sensitive Trip, Overload Protection for Solar System, Breaking Capacity 1P 10KA for Photovoltaic Solar.

~~£39.75~~

Miniature DC Circuit Breaker, 2 Poles, 35mm Insulation Protection, DIN Rail Mounting for DC Power Supply Systems (1/5)

Miniature DC Circuit Breaker, 2 Poles, 35mm Insulation Protection, DIN Rail Mounting for DC Power Supply Systems (2/5)

Miniature DC Circuit Breaker, 2 Poles, 35mm Insulation Protection, DIN Rail Mounting for DC Power Supply Systems (3/5)

Miniature DC Circuit Breaker, 2 Poles, 35mm Insulation Protection, DIN Rail Mounting for DC Power Supply Systems

~~£40.52~~

Single-pole circuit breaker 40A 30mA – Leakage protection Type A – Voltage AC 230V – Wear-resistant PA66 material (1/5)

Single-pole circuit breaker 40A 30mA – Leakage protection Type A – Voltage AC 230V – Wear-resistant PA66 material (2/5)

Single-pole circuit breaker 40A 30mA – Leakage protection Type A – Voltage AC 230V – Wear-resistant PA66 material (3/5)

Single-pole circuit breaker 40A 30mA – Leakage protection Type A – Voltage AC 230V – Wear-resistant PA66 material

~~£41.46~~

CREA Tomzn 2p DC Mcb 600 V, 80 A circuit breaker (1/5)

CREA Tomzn 2p DC Mcb 600 V, 80 A circuit breaker (2/5)

CREA Tomzn 2p DC Mcb 600 V, 80 A circuit breaker (3/5)

CREA Tomzn 2p DC Mcb 600 V, 80 A circuit breaker

~~£42.47~~

Audio Circuit Breaker, Solar Powered Inline Circuit Breaker for Car Audio 60A for Marine Boat Audio System Protection for Marine Boat Automotive RV. (1/5)

Audio Circuit Breaker, Solar Powered Inline Circuit Breaker for Car Audio 60A for Marine Boat Audio System Protection for Marine Boat Automotive RV.

~~£42.24~~

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~~

SIXRUN Mini DC AC Circuit Breaker Protection Circuit Protection ABS ABS with Fast Response High Sensitivity for 25A 5000A 15A 1000A (25A). (1/5)

SIXRUN Mini DC AC Circuit Breaker Protection Circuit Protection ABS ABS with Fast Response High Sensitivity for 25A 5000A 15A 1000A (25A). (2/5)

SIXRUN Mini DC AC Circuit Breaker Protection Circuit Protection ABS ABS with Fast Response High Sensitivity for 25A 5000A 15A 1000A (25A). (3/5)

SIXRUN Mini DC AC Circuit Breaker Protection Circuit Protection ABS ABS with Fast Response High Sensitivity for 25A 5000A 15A 1000A (25A).

~~£42.34~~

Mini Circuit Breakers 100A DC250V, Short Circuit Overload Protection Circuit Breaker 1P 10KA suitable for Solar Panel PV System, 35mm DIN Rail Installation. (1/5)

Mini Circuit Breakers 100A DC250V, Short Circuit Overload Protection Circuit Breaker 1P 10KA suitable for Solar Panel PV System, 35mm DIN Rail Installation.

~~£24.96~~

Circuit breaker safety switch Overload protection Short circuit protection with a fireproof case for DC/AC equipment 15A 20A 25A 30A (15A). (1/5)

Circuit breaker safety switch Overload protection Short circuit protection with a fireproof case for DC/AC equipment 15A 20A 25A 30A (15A). (2/5)

Circuit breaker safety switch Overload protection Short circuit protection with a fireproof case for DC/AC equipment 15A 20A 25A 30A (15A). (3/5)

Circuit breaker safety switch Overload protection Short circuit protection with a fireproof case for DC/AC equipment 15A 20A 25A 30A (15A).

~~£42.41~~

Circuit breaker, Miniature DC 1000V 125A Short Circuit Breaker for PV System (blue) (1/5)

Circuit breaker, Miniature DC 1000V 125A Short Circuit Breaker for PV System (blue) (2/5)

Circuit breaker, Miniature DC 1000V 125A Short Circuit Breaker for PV System (blue) (3/5)

Circuit breaker, Miniature DC 1000V 125A Short Circuit Breaker for PV System (blue)

~~£85.08~~

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~~

Photovoltaic Circuit Breaker, DC Circuit Breaker, Magnetic System, 1000V Auxiliary Arc Extinguisher for Electric Motorcycle (16A) (1/5)

Photovoltaic Circuit Breaker, DC Circuit Breaker, Magnetic System, 1000V Auxiliary Arc Extinguisher for Electric Motorcycle (16A) (2/5)

Photovoltaic Circuit Breaker, DC Circuit Breaker, Magnetic System, 1000V Auxiliary Arc Extinguisher for Electric Motorcycle (16A) (3/5)

Photovoltaic Circuit Breaker, DC Circuit Breaker, Magnetic System, 1000V Auxiliary Arc Extinguisher for Electric Motorcycle (16A)

~~£25.97~~

2P Mini Circuit Breaker DZ47s 63Z 32A Circuit Breaker 35mm DIN Rail Mounting DC500V Circuit Breaker for Solar System

~~£25.83~~

Small Circuit Breaker, Modular Structure 2P Mini Circuit Breaker DC DC500V for Photovoltaic Solar System (16A)

~~£26.30~~

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

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

Free shipping

Miniature DC Circuit Breaker 500V 32A, Miniature DC Circuit Breaker, 2-Pole 500V 32A Isolator, for Photovoltaic Solar Systems, Miniature Circuit Breakers (1/5)

Miniature DC Circuit Breaker 500V 32A, Miniature DC Circuit Breaker, 2-Pole 500V 32A Isolator, for Photovoltaic Solar Systems, Miniature Circuit Breakers

~~£34.26~~