Beijing Qingchang Power Technology Co., Ltd. (Qingchang) was established in 2005. As a State High-tech Enterprise in China, Beijing Enterprise Technology Centre, a postgraduate student workstation of North China Electric Power University, and the qualified supplier of the State Grid Cooperation of China, Qingchang focuses on the research and development of medium and high voltage ring main unit series and aims at being a famous brand in the global electric power industry...
OUR PRODUCTS
ZW32 POLE MOUNTED VACUUM CIRCUIT BREAKER
The ZW32 outdoor high voltage vacuum circuit breaker is an outdoor high voltage switching equipment. The rated voltage of it is 12kV, and the three-phase alternating current is 50aHz. This product is mainly used in closing and opening the load curren...
ZW20 POLE MOUNTED VACUUM CIRCUIT BREAKER
The ZW20-12 outdoor high voltage vacuum circuit breaker is an outdoor power distribution equipment. The rated voltage of it is 12kV, and the three-phase alternating current is 50aHz. This equipment adopts vacuum arc-extinguish and SF6 gas as the insu...
LW POLE MOUNTED SF6 GAS CIRCUIT BREAKER (DIVIDING/SECTIONAL CONNECTION)
LW outdoor high voltage SF6 gas circuit breaker is a new outdoor high voltage circuit breaker, which utilises SF6 gas as the insulation and arc extinguishing medium. The advantages of it are: simple structure, the arc extinguish and insulation are re...
FZW28 POLE MOUNTED VACUUM LOAD BREAKER (DIVIDING/SECTIONAL CONNECTION)
The FZW28 outdoor pole mounted vacuum load breaker adopts vacuum arc extinguish, SF6 gas-insulated, and the disconnector, thereby, it could be operated manually or automatically. The load breaker is installed with the control terminal FTU and power t...
QEFG ECO-FRIENDLY GAS INSULATED RING MAIN UNIT
The QEFG eco-friendly gas insulated ring main unit (RMU) is independently developed by Beijing Qingchang Power Technology. It uses a kind of safety and environment-friendly eco-friendly gas as the substitute for SF6 as the insulation, thus, the pollu...
QLG SF6 GAS INSULTAED RMU RING MAIN UNIT
The QLG-SF6 gas insulated ring main unit (RMU) is independently developed and produced by Qingchang Power Technology. This RMU uses SF6 gas as the insulation and breaking medium. Besides, the load break switch, vacuum interrupter, generatrix and so o...
GAS INSULATED METAL-ENCLOSED SWITCHGEAR (C-GIS) OF THE QCX □-12/24 SERIES
The gas insulated metal-enclosed switchgear(C-GIS) of the QCX-12/24 series is a kind box-type switchgear product that is self-developed by Qingchang. According to different insulation gas, it has two types: (1) QCX-E eco-friendly GIS (2) QCX-F SF6 ga...
SF6 GAS INSULATED METAL-ENCLOSED SWITCHGEAR (C-GIS) OF THE QCX F-40.5 SERIES
The SF6 gas insulated metal-enclosed switchgear(C-GIS) of the QCX F-40.5 series is self-developed by Qingchang, and meets the demands of market. The technology of this product is advanced. It is a new generation GIS with vacuum arc extinguish, gas in...
40.5kV SF6 GAS INSULATED RMU OF THE QLG SERIES
The 40.5kV SF6 gas insulated RMU of the QLG series is designed as a extendable RMU that to be used in the secondary distribution network. It has multiple standard combinations, and it could meet the application requirements of most 36~40.5kV distribu...
QGG SOLID INSULATED RMU
Via combining the experience in developing air insulated RMU and gas insulated RMU, Qingchang Power Technology developed the QGG solid insulated RMU. Since it has a high-level operational safety and operating in the electrical distribution network as...
HXGN MINIATURIZED AIR INSULATED VACUUM SWITCHGEAR
The HXGN miniaturised air-insulated switchgear is a miniaturised vacuum switchgear that is designed and produced by Qingchang, additionally, it has absorbed the aboard advanced technology and meets domestic power supply requirement. This switchgear ...
CABLE BRANCH BOX
The DW-12 cable branch box is specifically used for the pitch point of the alternating 12kV cable system, and it is used in electricity distribution. This equipment could use European or American cable accessories, and the combination method is simpl...
BOX-TYPE SUBSTATION
The Y(Z)B-12/0.4 series of prefabricated transformer substation. It is applied to the outdoor complete distribution equipment set of the 6~10kV ring network or radiant type power supply system. This product connects the high-voltage switchgear, power...
QCD 3000 SERIES DISTRIBUTION STATION TERMINAL (DTU)
To match the wide use of RMU and small switch station, Qingchang researched and developed a monitoring terminal product- QCD 3000 series distribution station terminal (DTU). Moreover, it could work with the distribution automation main system and sub...
QBZ-IIA SELF-POWERED MICROCOMPUTER PROTECTION DEVICE
The QBZ IIA self-powered microcomputer protection device is a self-development product. It is a whole-range digital protection device, and the CT provides power to it.
ZW32 POLE MOUNTED VACUUM CIRCUIT BREAKER
The ZW32 outdoor high voltage vacuum circuit breaker is an outdoor high voltage switching equipment. The rated voltage of it is 12kV, and the three-phase alternating current is 50aHz. This product is mainly used in closing and opening the load curren...
ZW20 POLE MOUNTED VACUUM CIRCUIT BREAKER
The ZW20-12 outdoor high voltage vacuum circuit breaker is an outdoor power distribution equipment. The rated voltage of it is 12kV, and the three-phase alternating current is 50aHz. This equipment adopts vacuum arc-extinguish and SF6 gas as the insu...
LW POLE MOUNTED SF6 GAS CIRCUIT BREAKER (DIVIDING/SECTIONAL CONNECTION)
LW outdoor high voltage SF6 gas circuit breaker is a new outdoor high voltage circuit breaker, which utilises SF6 gas as the insulation and arc extinguishing medium. The advantages of it are: simple structure, the arc extinguish and insulation are re...
FZW28 POLE MOUNTED VACUUM LOAD BREAKER (DIVIDING/SECTIONAL CONNECTION)
The FZW28 outdoor pole mounted vacuum load breaker adopts vacuum arc extinguish, SF6 gas-insulated, and the disconnector, thereby, it could be operated manually or automatically. The load breaker is installed with the control terminal FTU and power t...
QEFG ECO-FRIENDLY GAS INSULATED RING MAIN UNIT
The QEFG eco-friendly gas insulated ring main unit (RMU) is independently developed by Beijing Qingchang Power Technology. It uses a kind of safety and environment-friendly eco-friendly gas as the substitute for SF6 as the insulation, thus, the pollu...
QLG SF6 GAS INSULTAED RMU RING MAIN UNIT
The QLG-SF6 gas insulated ring main unit (RMU) is independently developed and produced by Qingchang Power Technology. This RMU uses SF6 gas as the insulation and breaking medium. Besides, the load break switch, vacuum interrupter, generatrix and so o...
GAS INSULATED METAL-ENCLOSED SWITCHGEAR (C-GIS) OF THE QCX □-12/24 SERIES
The gas insulated metal-enclosed switchgear(C-GIS) of the QCX-12/24 series is a kind box-type switchgear product that is self-developed by Qingchang. According to different insulation gas, it has two types: (1) QCX-E eco-friendly GIS (2) QCX-F SF6 ga...
SF6 GAS INSULATED METAL-ENCLOSED SWITCHGEAR (C-GIS) OF THE QCX F-40.5 SERIES
The SF6 gas insulated metal-enclosed switchgear(C-GIS) of the QCX F-40.5 series is self-developed by Qingchang, and meets the demands of market. The technology of this product is advanced. It is a new generation GIS with vacuum arc extinguish, gas in...
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RING MAIN UNIT & SWITCHGEAR
OVERHEAD POLE MOUNTED SWITCH
MICROCOMPUTER PROTECTION DEVICE
DISTRIBUTION AUTOMATION
CABLE BRANCH BOX & BOX-TYPE SWITCHING STATION
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