ZN7-400/1.14 AC Vacuum Circuit Breaker


ZN7-400/1.14 AC Vacuum Circuit Breaker



ZN7-400/1.14 AC Vacuum Circuit Breaker

Vacuum circuit breaker has Small contact stroke, small size, light weight, low operating power, quick, short arcing time. Isolation performance of the contacts is good after arc-extinguishing, failure capability is better around breaking area; slight combustion loss when breaking the current of contactors, long life, low noise; Used in high frequency operation.



Rated voltageV1140(660)
Rated currentA400
Ultimate making capacitykA7.5(9)
Inherent opening timems<=30
Inherent closing timems<=100
Closing Bounce timems<=2
Mechanical lifeTimes2*104
Electrical LifeTimes3*103
Closing power supply voltageV(AC)127
under-voltage, shunt DC currentV(DC)48
Closing powerW(transient)1152
Opening powerW31
under-voltage powerW5
Auxiliary contact4 pairs NO, 4 pairs NC
Auxiliary contact capacityUe:AC380V Ie:10A

For other products please check product selection table:  AC Vacuum Contactor

ZN7-400/1.14 AC Vacuum Circuit Breaker


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