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Featured Circuit Breaker Products

French Standard 2-Pole Adjustable RCBO for Residential Safety

LRPG Series circuit breaker with residual current protection is a high-performance adjustable circuit breaker with triple protection functions of leakage, overload and short circuit. lt is applicable to AC 50/60Hz and rated voltage 230/240V. Places with rated current of 60A and below. lt is mainly used for electric leakage, overload and short circuit protection of lighting, energy meter boxes, distribution lines and equipment of residential buildings, office buildings and similar buildings, and can also be used for infrequent operation and switching of lines under normal conditions.

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French Standard 4-Pole (3P+N) Adjustable RCBO for Commercial Power

LRPG Series circuit breaker with residual current protection is a high-performance adjustable circuit breaker with triple protection functions of leakage, overload and short circuit. lt is applicable to AC 50/60Hz and rated voltage 230/240V. Places with rated current of 60A and below. lt is mainly used for electric leakage, overload and short circuit protection of lighting, energy meter boxes, distribution lines and equipment of residential buildings, office buildings and similar buildings, and can also be used for infrequent operation and switching of lines under normal conditions.

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1P Smart MCB WIFI Apartment Rental Management

Model LRR6 Smart WIFI Operating Circuit Breaker is an electrical terminal distribution device developed for smart and safe electricityand energy management systems in buildings, This product is an Internet of Things (loT) smart circuit breaker that uses wireless WIFI communication to control the normal operation of traditional circuit breakers, It features remote opening and closing control,local mode selection, timed opening and closing settings, and other functions.

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2P Smart MCB WIFI Hotel Power Management

Model LRR6 Smart WIFI Operating Circuit Breaker is an electrical terminal distribution device developed for smart and safe electricityand energy management systems in buildings, This product is an Internet of Things (loT) smart circuit breaker that uses wireless WIFI communication to control the normal operation of traditional circuit breakers, It features remote opening and closing control,local mode selection, timed opening and closing settings, and other functions.

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French Standard 2-Pole Adjustable Circuit Breakerfor Utility Connection

LRPG Series circuit breaker is a high-performance adjustable circuit breaker with protection functions of overload and short circuit. lt is applicable to AC 50/60Hz and rated voltage 230/240V. Places with rated current of 60A and below. lt is mainly used for electric leakage, overload and short circuit protection of lighting, energy meter boxes, distribution lines and equipment of residential buildings, office buildings and similar buildings, and can also be used for infrequent operation and switching of lines under normal conditions.

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French Standard 4-Pole Adjustable Circuit Breaker for Energy Metering

LRPG Series circuit breaker is a high-performance adjustable circuit breaker with protection functions of overload and short circuit. lt is applicable to AC 50/60Hz and rated voltage 230/240V. Places with rated current of 60A and below. lt is mainly used for electric leakage, overload and short circuit protection of lighting, energy meter boxes, distribution lines and equipment of residential buildings, office buildings and similar buildings, and can also be used for infrequent operation and switching of lines under normal conditions.

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French Standard 2-Pole Adjustable RCBO for Residential Safety

LRPG Series circuit breaker with residual current protection is a high-performance adjustable circuit breaker with triple protection functions of leakage, overload and short circuit. lt is applicable to AC 50/60Hz and rated voltage 230/240V. Places with rated current of 60A and below. lt is mainly used for electric leakage, overload and short circuit protection of lighting, energy meter boxes, distribution lines and equipment of residential buildings, office buildings and similar buildings, and can also be used for infrequent operation and switching of lines under normal conditions.

View More
French Standard 4-Pole (3P+N) Adjustable RCBO for Commercial Power

LRPG Series circuit breaker with residual current protection is a high-performance adjustable circuit breaker with triple protection functions of leakage, overload and short circuit. lt is applicable to AC 50/60Hz and rated voltage 230/240V. Places with rated current of 60A and below. lt is mainly used for electric leakage, overload and short circuit protection of lighting, energy meter boxes, distribution lines and equipment of residential buildings, office buildings and similar buildings, and can also be used for infrequent operation and switching of lines under normal conditions.

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About Long Road Electric

Long Road Electric Co., Ltd was established in 2000 and is located in Wenzhou city, Zhejiang province, China. Long Road Electric has developed into a professional manufacturer engaged in the R&D, sales, and service of miniature circuit breakers, smart circuit breakers, residual current protection circuit...

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​​​​​​​Blogs​​​​​​​

2026-10-22

What Is a Smart Circuit Breaker? Why Use a 4P Smart MCB?

A smart circuit breaker is a circuit-protection device with an added communications and control layer. Depending on the exact model and system, that layer can support visible operating status, remote commands, schedules, or integration with a building or distribution platform.

2026-10-15

10 Mistakes to Avoid When Installing Smart Circuit Breakers

A Smart MCB installation has two layers of risk: the normal electrical risks of working in and designing a distribution system, and the operational risks introduced by connected control.

2026-10-08

Smart Circuit Breaker vs Traditional Breaker

A smart circuit breaker and a traditional breaker should not be compared as though one automatically makes the other obsolete. Both must first be suitable for the electrical circuit they protect.

2026-10-01

Energy Management and the Role of Smart Circuit Breakers

Energy management is not simply a monthly utility exercise. For a facility team, it is the routine of seeing what a circuit is doing, deciding which loads deserve attention, and acting without compromising protection. A 2P Smart MCB can add communication and controllable switching to a low-voltage d

Focus on miniature circuit breakers, smart circuit breakers, residual current protection circuit breakers and other industrial electrical appliances.
Long Road Electric Co., Ltd was established in 2000 and is located in Wenzhou city, Zhejiang province, China. Long Road Electric has developed into a professional manufacturer engaged in the R&D, sales, and service of miniature circuit breakers, smart circuit breakers, residual current protection circuit breakers and other industrial electrical appliances.

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