W-S1 High-speed Dual-power Transfer Switches

INTRODUCTIONThe WS-1 high-speed dual-power transfer switch series are PC-level two-stage transfer switches designed to meet stringent transfer time requirements. With a transfer time of only 3~8ms, these series are appropriate for use when the active and standby power share the same voltage and phases.

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Product Description

TECHNICAL PARAMETERS

Type : 63A, 125A, 250A, 500A
Rated voltage : AC660V/400V
Rated current : 63A, 125A, 250A, 500A
Frequency : 50/60Hz
Contact transfer duration : 3~8m
Number of throws : Dual throw
Wiring mode : Board front
Number of poles : 2P, 3P, 4P
Rated short-time current : 5kA (1sec) , 10kA (1sec) , 12kA (1sec)
Mechanical lifespan : 20000 cycles
Operating cycle frequency : 150 cycle/hr
Operating environment : Ambient temperature -10~+45℃, relative humidity 45~85%RH
Auxiliary switch : Switch capacity : AC220V 3A、AC110V 5A ; DC220V 0.2A
Operating voltage range : 85~110% of the rated operating voltage
Withstanding voltage : Main circuit 2500V / Control circuit 2000V
Accessory : Operating handle