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40 A

 prices on 43 models
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6.30Buy!
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Joom UK
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Features: Used for overload protection, short circuit protection of DC lines or equipment, and for lines that do not require frequent switching. High performance flameresistant and shockresistant plas more→tic can ensure long service time. Small size and light weight, it has reliable performance, high breaking capacity and sensitive action. Terminal quenching treatment, environmental protection electroplating, has good torsion tolerance and antirust effect. Suitable for solar energy, bus box, photovoltaic system, small power generation system and other DC systems. Specification: Material: Plastic & Metal Weight: 88g3.1oz Breaking Capacity: 6 (KA) Pole Number: 1P Rated Voltage: 250 (V) Current Shell …
7.62Buy!
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Joom UK
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It s a miniature residual current circuit breaker with flame retardant ABS case, which can be used for electric leakage protection of household appliances. It s of high sensitivity, stable performan more→ce and good quality, durable to use. DIN rail installation allows convenient assemble and disassemble. Features: Residual current circuit breaker with short circuit, overload and leakage protection. With high sensitivity to provide timely protection. High-quality insulated and flame retardant ABS casing, fine workmanship, with good insulativity and durability, long service life. T-shaped switch for easy operation; anti-crack buckle for assured installation; closed type wiring terminals, firm wiring,…
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Joom UK
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Feature: 1. Core Function: This circuit breaker is used to defend power distribution facilities from overload and short circuit damage, and can also be used for control and isolation. 2. Fast Tripping more→: The electromagnetic tripping system in the circuit breaker can trip immediately in case of short circuit to defend circuit safety. 3. Arc Extinguishing: DC arc extinguishing is more difficult than AC arc extinguishing. The DC circuit breaker has a magnetic system for auxiliary arc extinguishing. 4. Wide Application: This circuit breaker is widely used in DC power supply system, ship power system, solar photovoltaic system or other DC systems. 5. Installation Instruction: The circuit breaker has …
9.60Buy!
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Joom UK
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Feature: 1. Better Safety: When leakage occurs, only the protected circuit will trip without affecting the normal use of other electrical appliances. 2. Smart Working: When the leakage current is clos more→e to 30mA, the circuit breaker will quickly trip and cut off the power, safe and reliable. 3. Reliable Work: Accurate and sensitive in response, the durable protection switch allows for long term stable working under high current. 4. Pretty Design: Suits for both open installation and concealed installation, this beautiful protector will largely improve the home beauty. 5. Easy to Install: Comes with a light weight and a compact size as well, the circuit breaker can be quickly installed within minutes.…
12.80Buy!
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Joom UK
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Are you looking for an intelligent circuit breaker for your home With this tool, you can achieve remotes control and viewing at any time from anywhere by Tuya APP on your mobilephone. There are differ more→ent timing modes for you to use: Timing mode, countdown mode and loop timing modes. If you are interested in this product, come and have a try, it will not let you down. Features: With this tool, you can achieve remotes control and viewing at any time from anywhere by Tuya APP on your mobilephone. The body of this circuit breaker is made of PA66 flaming retardant material, makes it safety to use. In your mobilephone, you can set the switch status of the equipment in different scenarios, and monitor …
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Joom UK
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Feature: 1. FLAME RETARDANT: Current circuit breaker adopts PC flame retardant thermosetting shell, with good heat resistance. Even if exposed to open flames, it will only gradually carbonize and will more→not burn, making it safer. 2. HUMANIZED HANDLE: The overall smoothly line of the handle conforms to the ergonomic design, reducing the pressure of corners on the fingers and making it easier to use. 3. EXCELLENT WIRING TERMINAL: The leakage circuit breaker is equipped with excellent sealed terminal, effectively preventing breakage and leakage from occurring. 4. ANTI VIBRATION: The leakage protection switch has strong anti vibration and anti impact capabilities, making it very safe to use. 5. EASY …
24.56Buy!
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Tameson.co.uk
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Single-pole miniature circuit breaker designed for residential and commercial electrical installations. Features a C-characteristic tripping curve, 40A rated current, and 6kA breaking capacity accordi more→ng to IEC/EN 60898-1. Compact design enables easy integration into modern switchboards while providing reliable protection against overload and short circuits.
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Joom UK
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Feature: 1. PA66 MATERIAL: Made of premium Pa66 material, this solar combiner box is strong and sturdy, impact resistant and wear resistant, safe and reliable for long term use. 2. EASY TO USE: IP65 w more→aterproof and easy to install, and the transparent cover plate of the combiner box is also convenient for checking the status of the circuit breaker. 3. APPLICABLE CABLE: Compatible with 5 to 10mm Diameter cable, and 10?4 AWG cable, with a large space for wiring. 4. APPLICABLE SCENARIOS: This combiner box is suitable for photovoltaic solar panel grid connected systems and solar off grid systems, solar power generation systems, etc. 5. IDEAL REPLACEMENT: Wonderful replacement for the old and damaged …
25.30Buy!
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Tameson.co.uk
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Compact modular circuit breaker designed for circuit protection in residential, commercial, and industrial applications. Features C-curve tripping characteristics, 40A current rating, and 6kA breaking more→capacity. Part of the 90 MCB series compliant with overload and short circuit protection requirements. Single-pole design in compact 1-module width format.
30.00Buy!
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Joom UK
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Feature: 1. MAIN USE: PV DC disconnect switch is used to turn off all poles of the solar module. Installed on a serial line between the module and the grid inverter or charging controller. Switching c more→urrent up to 32A can be switched at a voltage of up to 1200V. 2. PC SHELL: Made of premium PC material, this switch has a flame retardant, good insulation, water resistance, high temperature resistant, acid and alkali resistance shell, provides good protection. 3. LONG LIFE SPAN: Can be repeatedly inserted and pulled out multiple times, with automatic locking providing safe docking and long service life. 4. EASY INSTALLATION: Compact in size, this disconnect switch is suitable for places with limited …
34.72Buy!
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Tameson.co.uk
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Compact single-pole miniature circuit breaker rated at 40A with C-curve characteristics and 10kA breaking capacity. Part of the 90 MCB series designed for circuit protection in residential, commercial more→, and industrial applications. Features standard 1-module width and meets requirements for both overload and short-circuit protection.
56.63Buy!
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Tameson.co.uk
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Low-voltage circuit breaker featuring 3-pole protection with switched neutral and 16A nominal current with B-characteristic tripping curve. Offers 6000A breaking capacity at 400VAC (EN/IEC 60898-1) an more→d 10kA at 400VAC (EN/IEC 60947-2). Designed for both residential and industrial applications, providing protection against short circuits and overload currents. Features clip-on installation and 20,000 cycle electrical/mechanical lifespan.
60.78Buy!
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Tameson.co.uk
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Low voltage miniature circuit breaker with 3-pole plus neutral protection, rated at 6A with C-curve tripping characteristic. Features 4500A breaking capacity at 400VAC (IEC 60898-1) and 6kA at 400VAC more→(IEC 60947-2). Designed for both residential and industrial applications with clip-on installation. Offers 20,000 cycle electrical and mechanical lifespan with 400VAC operational voltage rating.
62.05Buy!
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Tameson.co.uk
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Low voltage miniature circuit breaker with 3-pole plus neutral protection, rated at 25A with C-curve tripping characteristics. Features 4500A breaking capacity at 400VAC (IEC 60898-1) and 6kA at 400VA more→C (IEC 60947-2). Designed for both residential and industrial applications, protecting circuits against short circuits and overload currents. Includes clip-on mounting for easy installation.
68.78Buy!
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Tameson.co.uk
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Low-voltage miniature circuit breaker with 3-pole protection, featuring 10A nominal current and C-characteristic tripping curve. Offers 6000A breaking capacity at 400VAC (IEC 60898-1) and 10kA at 400V more→AC (IEC 60947-2). Designed with clip-on installation and rated for 20,000 electrical and mechanical operating cycles. Operating voltage: 400VAC, isolation voltage: 440VAC, impulse voltage: 4kV.
84.50Buy!
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Tameson.co.uk
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Low-voltage miniature circuit breaker with 3-pole plus neutral protection, rated at 25A with C-characteristic tripping curve. Features 6000A breaking capacity at 400VAC (IEC 60898-1) and 10kA (IEC 609 more→47-2). Designed for both residential and industrial applications, protecting circuits against short circuits and overload currents. Offers 10,000 electrical and 20,000 mechanical operation cycles.
107.07Buy!
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Tameson.co.uk
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SENTRON 5SY miniature circuit breaker designed for reliable short-circuit and overload protection in residential and industrial applications. Features 40A rating, 10kA breaking capacity, and 400V oper more→ating voltage. Tool-free assembly/disassembly with double slide mechanism and dual-chamber terminals for flexible conductor and busbar combinations. Compatible with standard 5SY accessories.
108.49Buy!
£
Tameson.co.uk
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The Eaton Industries Xpole motor-protective circuit-breaker is designed for safeguarding three-phase motors with power outputs up to 15kW (380/400V) or loads with currents up to 40A. It features a the more→rmal overload release and magnetic short-circuit release for reliable protection. Also, it could serve as a main switch. Adhering to IEC/EN 60947 standards, it possesses isolating characteristics and showcases a contact position display that is red/green for clear identification.
117.82Buy!
£
Tameson.co.uk
Delivery: in United Kingdom
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Low voltage circuit breaker with 3-pole protection rated at 40A with D-curve characteristic. Features 6000A breaking capacity at 400VAC (EN/IEC 60898-1) and 20kA at 220-240VAC (EN/IEC 60947-2). Includ more→es VisiTrip indicator for quick trip identification and VisiSafe green indication for contact position verification. Enhanced durability through rapid breaking mechanism.
140.77Buy!
£
Tameson.co.uk
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Three-pole magnetic motor circuit breaker rated at 40A/690V for 18.5kW@400V three-phase motor applications. Features magnetic protection with 14xIn trip level and high breaking capacity of 50kA@400V. more→Equipped with Everlink BTR screw terminals and rotary control handle rated for 50,000 AC-3 cycles. Compatible with LRD340 thermal overload relay for complete motor protection.
156.22Buy!
£
Tameson.co.uk
Delivery: in United Kingdom
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Three-pole motor circuit breaker with thermal-magnetic protection, rated at 40A/690V, suitable for 3-phase motor applications up to 18.5kW@400V. Features 30-40A thermal adjustment range, 14xIn magneti more→c trip, and 50kA Icu breaking capacity at 400V. Includes Everlink BTR screw terminals and rotary handle control rated for 50,000 AC-3 cycles. Multi-standard certified with Green Premium ecolabel.
205.89Buy!
£
Tameson.co.uk
Delivery: in United Kingdom
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Three-pole motor protection circuit breaker with adjustable overload and non-delayed short-circuit release. Features phase failure sensitivity, screw terminals, and snap fitting capability. Rated for more→690V operating voltage with IP20 protection. Compliant with IEC/EN60947 standards and VDE 0106 T.100 finger-proof requirements. Compatible with auxiliary contact and voltage release accessories.
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