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GCK series low pressure shaft cabinet model switchgears are used for electric motorcontrol central, power distributing centre. They are applied to power stations, electric substations, buildings, edifices, airports, hospitals, industrial andmining establishments as three-phase 50Hz, voltage 380V and as follow electric system suited for the electricity, the feed, the illumination, the motor control andthe power compensates.
It conforms with the GB7251-97, ZBK36001-89 and IBC439-1standards
Technical parameters:
1) Main circuit nominal insulation voltage: 660V
2) Main circuit nominal voltage: AC 380V
3) Auxiliary circuit nominal voltage: AC 220V, 380V, 110V
4) Rated frequency: 50 / 60Hz
5) Rated current:
A) Level bus: <=3, 200A
B) Vertical bus: 1, 600A
6) Nominal short time withstand current (IS): 50kA, 80kA
7) Nominal peak reliability current: 105kA, 176kA
8) Power frequency test voltage:
A) Main circuit: 2, 500V/min
B) Auxiliary circuit: 1, 760V/min
9) Peeling levels of protection: IP3LO, IP4LO
Switch Cabinet (GCK)
