With the continuous improvement of various performance indicators of miniature circuit breakers, their range of applications has become increasingly broad. They are now widely used at the terminals of low-voltage power distribution systems, and scenarios requiring automatic and remote control are also on the rise. The IC65 series products feature a compact design, fast closing speed, and reliable operation. Utilizing PIC microcontroller technology, they offer dependable service life and stable operating characteristics, along with reliable delay and false tripping protection functions.

With the continuous improvement of various performance indicators of miniature circuit breakers, their range of applications has become increasingly broad. They are now widely used at the terminals of low-voltage power distribution systems, and scenarios requiring automatic and remote control are also on the rise. The IC65 series products feature a compact design, fast closing speed, and reliable operation. Utilizing PIC microcontroller technology, they offer dependable service life and stable operating characteristics, along with reliable delay and false tripping protection functions.

The FAR6B-U self-resetting over-voltage and under-voltage protector uses a miniature circuit breaker with short-circuit and overload protection as the main switch, and is equipped with an ultra-small intelligent electrical operator with a microprocessor. It can detect the power supply voltage, realize the over-voltage or under-voltage tripping protection, and automatically recloses after the voltage is restored, ensuring the safe operation of the load equipment under normal voltage. It is mainly suitable for occasions where the grid voltage is unstable or for the protection of equipment that is relatively sensitive to voltage fluctuations. It meets the requirements of the Code for Design of Residential Buildings JGJ242-2011 for self-resetting over-voltage and under-voltage protectors. This series of products features a small size, high breaking capacity, reliable operation, stable performance, and a good human-machine interface. The communication function can be added to achieve "remote signaling", "remote measurement", "remote control", and "remote adjustment" (bidirectional communication between the master station and the slave station).

The FAR6B-L80 automatic reclosing protector has short-circuit protection, overload protection, and automatic reclosing functions. The products are suitable for a variety of complex environments, especially in the field of communications, such as unattended, centralized control, inconvenient operation and network monitoring. This series of products has small size, high breaking, reliable action, stable performance and good human-computer interaction interface. The product provides indirect contact protection against the risk of electric shock to the person, and selective protection and selective self-recovery for lines, electrical or communication equipment.

The FAR6B-GD automatic grid-connected dedicated circuit breaker provides islanding protection and automatic reclosing function for distributed power sources. The product is suitable for all kinds of distributed new energy power generation automatic grid-connected occasions. This series of products has small size, high breaking, reliable action, stable performance and good human-computer interaction interface, simple installation, island protection through over-under-voltage and loss of voltage protection, and automatic grid connection when the main power grid is restored. It meets the requirements of State Grid Q/GDW1972-2013 "Technical Specifications for Distributed Photovoltaic Grid-connected Special Low-voltage Circuit Breakers". The product realizes island protection and automatic grid connection for the distributed power grid in unattended occasions.

The FAR6B-GD automatic grid-connected dedicated circuit breaker provides islanding protection and automatic reclosing function for distributed power sources. The product is suitable for all kinds of distributed new energy power generation automatic grid-connected occasions. This series of products has small size, high breaking, reliable action, stable performance and good human-computer interaction interface, simple installation, island protection through over-under-voltage and loss of voltage protection, and automatic grid connection when the main power grid is restored. It meets the requirements of State Grid Q/GDW1972-2013 "Technical Specifications for Distributed Photovoltaic Grid-connected Special Low-voltage Circuit Breakers". The product realizes island protection and automatic grid connection for the distributed power grid in unattended occasions.

The automatic grid-connected special circuit breaker is a low-voltage circuit breaker specially used for distributed photovoltaic grid-connected, integrating the functions of electric operating mechanism, intelligent controller and molded case circuit breaker. Protect the overcurrent, short circuit, phase loss, undervoltage, overvoltage, and loss of voltage of the photovoltaic grid-connected system line or electrical equipment. The product conforms to the standard: GB/T14048.2-2020Q/GDW 1972-2013

WSPD-C40 surge protector is suitable for AC 50/60Hz, rated working voltage 230/400V three-phase power distribution system to meet SPDI level test, class I protector maximum discharge current to 40KA. Suppress direct lightning, induced lightning or other instantaneous overvoltages, discharge surge energy, so as to protect system circuits and load equipment. It has the advantages of level 1 and II protection, large discharge capacity, low residual voltage, no leakage current, integrated module structure, easy installation, high safety factor and long service life. A series of surge protectors cooperate with each other to achieve a cascading protection system, so that the low-voltage distribution system can be more widely and effectively protected. Conform to standards: GB/T18802.1, IEC61643-11

WRM2L-W electric energy meter external circuit breaker has short-circuit overload protection, through the detection of the electric energy meter control signal for automatic control to turn on or off the load, to achieve arrears of open and pay for automatic control. The product meets the requirements of the State Grid QGDW11421-2015 "Technical Specification for External Circuit Breakers for Electric Energy Meters", "Technical Specifications for Low-voltage External Circuit Breakers for Fee-controlled Electric Energy Meters" of China Southern Power Grid, GB10963.1 "Overcurrent Protection Circuit Breakers for Household and Similar Places" and GB/T14048.1 and GB/T14048.2.

FAR6B-GW automatic grid-connected special circuit breaker with cost control function product, with short-circuit overload protection, through the detection of the meter control signal for automatic control on or off the load, to achieve arrears switching, automatic control of paid closing, and the distributed power grid in unattended occasions to achieve island protection and automatic grid connection. It meets the requirements of State Grid Q/GDW11421-2015 "Technical Specifications for External Circuit Breakers for Electric Energy Meters", "Technical Specifications for External Circuit Breakers for Fee-controlled Electric Energy Meters" and Q/GDW-2013 "Technical Specifications for Distributed Photovoltaic Grid-connected Special Low-voltage Circuit Breakers". and the standard requirements of GB/T10963.1 "Overcurrent Protection Circuit Breakers for Household and Similar Places".

The FAR6-W125/100 external circuit breaker of the electric energy meter has short-circuit overload protection, which can automatically control the switching on or off of the load through the detection of the control signal of the electric meter, so as to realize the automatic control of opening and closing in arrears. It meets the standard requirements of State Grid Q/GDW11421-2015 "Technical Specifications for External Circuit Breakers for Electric Energy Meters", "Technical Specifications for External Circuit Breakers for Fee-controlled Electric Energy Meters" and GB/T10963.1 "Overcurrent Protection Circuit Breakers for Household and Similar Places".

"Intelligent power distribution" is a fully automated electrical control device, which can completely replace the electrical controller (including leakage protector and air switch) commonly used at present, which not only makes up for the technical deficiencies of existing products, but also has more powerful functions, more intelligent, more safe and reliable, lower cost, and more perfect monitoring of people's electricity. It has realized the leap of intelligent management. It can monitor and protect all the electrical equipment used in the back-end in real time, including overvoltage, lightning strike, leakage, overheating, overcurrent, low voltage, short circuit, overload and other protection measures, so as to protect the electrical equipment you use from damage to the greatest extent, and realize the real-time use of the electrical equipment monitored at the remote computer terminal. This device does not require additional wiring or wiring, and can be simply replaced or installed. Scope of application: It can be widely used in homes, factories, hotels, office buildings, property management, municipal parks, traffic command, street lamp monitoring and other unattended occasions.

WRM2E series switch is an intelligent measurement switch independently developed and produced by our company, which is suitable for AC 50Hz, shell current 250A (rated current 125A, 160A, 200A, 250A), rated insulation voltage 1000V, rated working voltage 400V three-phase four-wire, neutral point direct grounding power distribution network. This intelligent measurement switch has a number of IoT sensing functions such as HPLC communication, high-precision AC sampling, power supply relationship topology identification, metering box management, power theft early warning, power outage event reporting, line loss analysis and judgment, terminal temperature detection, fault automatic diagnosis, etc., with a variety of protection functions such as overload long delay, short circuit short delay, short circuit instantaneous, overvoltage and undervoltage and phase failure, etc., which play a protective role in line and power supply equipment, and the detection and monitoring of the load side can reduce the operation and maintenance cost of the power grid. It can provide the necessary data support for future energy efficiency systems.

WRB6 series miniature circuit breaker is suitable for AC 50/60Hz, rated working voltage not exceeding 400V, rated current not exceeding 125A in the line, for overload and short circuit protection, but also can be used to turn on and off electrical devices and lighting circuits infrequently under normal circumstances. It is especially suitable for industrial and commercial lighting and power distribution systems. The circuit breaker conforms to GB/T 10963.1-2005 standard.

WRB5N miniature circuit breaker (MCB), suitable for AC 50/60Hz, rated voltage 230V, rated current 2-40A line, with overload protection, short circuit protection and isolation function, can also be used as infrequent operation conversion of the line under normal circumstances. It is widely used in industrial, commercial, high-rise and residential places.

WRB5 miniature circuit breaker (MCB), suitable for AC 50/60Hz, rated voltage 230V/400V, rated current 1-63A line, with overload protection, short circuit protection and isolation function, can also be used as infrequent operation conversion of the line under normal conditions. It is widely used in industrial, commercial, high-rise and residential places.

WRB6LE series residual current action circuit breaker is suitable for AC 50Hz, rated voltage 230V/400V, rated current to 100A circuit, when the person is electrocuted or the leakage current of the power grid exceeds the specified value, the residual current action circuit breaker can quickly cut off the power supply in a very short time, protect the safety of people and electrical equipment, and overload, short circuit and under normal circumstances as the line of infrequent conversion.

WRB5NL Leakage Circuit Breaker (RCBO) is suitable for AC 50/60Hz, rated voltage 230V, rated current 2-63A line, with overload protection, short circuit protection, leakage protection and isolation functions, and can also be used as infrequent operation conversion of the line under normal circumstances. It is widely used in industrial, commercial, high-rise and residential places.

WRB5L Leakage Current Circuit Breaker (RCBO), suitable for AC 50/60Hz rated voltage 230V/400V, rated current 1-63A line, with There are overload protection, short circuit protection, and leakage protection functions, and can also be used for infrequent operation conversion of the line under normal circumstances. It is widely used in industrial, commercial, high-rise and residential places.

WRG5 disconnector is suitable for AC 50/60Hz, rated voltage 230V/400V, rated current 16-125A line, for the connection and disconnection of the circuit under the condition of voltage and no load, for the line and the power supply to be connected or isolated. It is widely used in industrial, commercial, high-rise and residential places.

WRM2E series molded case circuit breaker is suitable for AC 50Hz, rated insulation voltage 800V, rated working voltage 690V and below, setting current 16A to 800A circuit, used to distribute electric energy, under normal conditions for infrequent closure and disconnection, and in the line and equipment overload, short circuit and undervoltage to play a protective role. The circuit breaker with rated current of 400A and below can also be used for infrequent starting, breaking during operation and protecting the motor when it is overloaded, short-circuited and under-voltage.

WRM2 series plastic case circuit breaker is suitable for infrequent conversion and infrequent motor start in circuits with AC 50Hz, rated insulation voltage of 800V, rated working voltage of 400V, and rated current to 800A. The circuit breaker has the function of overload, short circuit and undervoltage protection, which can protect the line and power supply equipment from damage.

The arc fault detection device is a new type of power line protection device, abbreviated as AFDD (Arc fault detection devices). Its main function is to detect and identify dangerous ground arc faults, parallel arc faults and series arc faults, and to drive the device action to disconnect the current in time to avoid electrical fires. It adopts the embedded system digital circuit control and the original arc feature recognition algorithm, which is small in size and strong in function, and integrates the leakage current protection function to realize the automatic monitoring and protection of fault arc and leakage current, and effectively protect the safety of low-voltage distribution lines and electrical equipment and personal safety.

The external gateway of the communication circuit breaker connects to the network through WiFi, and synchronizes the power consumption, voltage, current, power and other power information to the mobile phone through the network, so as to realize the wireless control of the circuit breaker opening and closing on the mobile phone, modify the threshold of the protection function, and control whether the various protection functions are turned on. The gateway supports the standard IEEE802.11 b/g/n protocol, has a full TCP/IP protocol stack, and supports WPA/WPA2 security mode.

Now the indicators of miniature circuit breakers are constantly improving, and the application occasions are becoming more and more extensive, and miniature circuit breakers are basically used in the terminal field of low-voltage power distribution; At the same time, there are more and more occasions with automatic control and remote control requirements. FRC6-M series products have small size, fast closing speed, reliable action, internal shaft transmission, good synchronization of opening and closing, and reliable service life and working characteristics; It has reliable time-delay and malfunction protection.

WRGQ5Z over- and under-voltage automatic reclosing protector is suitable for low-voltage distribution lines for household and similar purposes with an AC rated frequency of 50Hz and a rated voltage of 230/400V (relative neutral voltage of 230V), which can automatically detect the line voltage, automatically disconnect the faulty line when the line overvoltage or undervoltage occurs, and automatically close the line after the line voltage returns to the normal range, so as to ensure the safe operation of the load equipment under the normal voltage.

The AR6B-R automatic reclosing protector has the functions of short circuit protection, overload protection and automatic reclose. The products are suitable for a variety of complex environments, especially in the field of communications, such as unattended, centralized control, inconvenient operation and network monitoring. This series of products has small size, high breaking, reliable action, stable performance and good human-computer interaction interface. The product provides indirect contact protection against the risk of electric shock to the person, and selective protection and selective self-recovery for lines, electrical or communication equipment.

WRB7Z6 micro-centralized circuit breaker adopts the core circuit board independently developed and produced by our company, and integrates eleven functional modules of main control, metering, clock, storage, communication encryption, coincident, temperature, carrier, Bluetooth, 485, and visual human-computer interaction; The comprehensive combination of electric energy meter and circuit breaker has been realized.

WRB7Z intelligent circuit breaker adopts the core circuit board independently developed and produced by our company, and integrates eight functional modules: main control, metering, storage, reclosing, tripping, location, temperature and communication; The new dual built-in power supply design scheme escorts the functional stability and performance improvement of the product.

WRB6Z-32 series intelligent circuit breaker is suitable for AC 50Hz, rated voltage 230V, rated current up to 32A, the product has leakage, overload, short circuit protection, and has leakage current value, temperature, voltage, current, power and other monitoring functions. The circuit breaker is suitable for commercial, high-rise and residential buildings, smart homes, smart cities, power energy efficiency management, and remote monitoring of power quality and power consumption of terminal distribution. The circuit breaker adopts the L7 small circuit breaker structure platform, which has fast opening and closing speed, low temperature rise and small tripping force; The operating mechanism adopts single-chip microcomputer technology, which has reliable service life and working characteristics, and the mechanical life can reach more than 10,000.

The intelligent flexible control terminal is a terminal device that supports the communication protocol conversion between the main station of the load management system or the intelligent measurement terminal and the flexible load equipment. It has local and remote control functions, in which the local control function is based on the load characteristics of the monitoring measurement point and the operation status data of the flexible load equipment, and executes the control instructions through localized decision-making; The remote control function executes the adjustment commands issued by the load management system master station or intelligent measurement terminal.

The air conditioning flexible control protocol conversion gateway is an intelligent device that can collect the electricity consumption information of the central air conditioner and intelligently control its operation. It realizes the fine management of the central air-conditioning system through the docking with the central air-conditioning unit (mainly composed of compressor, condenser, throttling device and evaporator). The central air-conditioning unit uses the principle of reverse Carnot cycle to produce chilled water or heating water to regulate the indoor temperature. The flexible control strategy is based on the operation characteristics of the air conditioning system itself, and by adjusting the operating load, the system can not only meet the needs of the indoor environment, but also participate in the demand response of the power grid, so as to improve energy efficiency, reduce operating costs, and contribute to the stable operation of the power grid.

Low-voltage power distribution equipment is used for infrequent manual connection and cut-off and isolation of power supply.