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GYW1 Air Circuit Breaker (ACB)

GYW 1series intelligent breakers (hereinafter referred to air circuit breakers ), are suitable for distribution networks of AC 50HZ, rated voltage up to 660V(690V)and rated current of 630A-6300A, and are used to distribute electric energy and protect the circuit and power supply equipment from overload,under-voltage, short circuit,single-phase grounding and other failures.

SKU GYW1 Category


Air Circuit Breaker

GYW1 Air Circuit Breaker (ACB) has the intelligent protection function, of which the selective protection is accurate, enhancing the power supply reliability and avoiding unnecessary power failure. Meanwhile, it is equipped with open communication interfaces, which enable the “four remote “functions, meeting the requirements of the control center and automation system. The impulse withstands voltage of the circuit breaker at an altitude of 2000 meters is 8000V(the voltage varies with different altitudes according to relevant standards, and the maximum value is 12000V). When it is not equipped with an intelligent controller and sensor .the circuit breaker can be used as an isolator with the mark
The circuit breaker complies with the requirements of the standards GB140482″Low voltage switchgear and controlgear-Part2:Low voltage circuit –breakers and EC60947-2 Low –voltage switchgear and controlgear-part2: Circuit -breakers” etc.

Shell grade rated current in mARated current in A



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