SCR ProtectionMOV transient voltage suppressors to absorb high energy voltage transients
Ambient TemperatureDuring Operation
FeaturesSoft Start facility, with initial torque setting by minimum pedestal voltage, ramp time adjustable for setting ramping time, adjustable from 1 to 180 secs
Current limit– 1.5 to 7 x rated current
Signal RelaysOne C/O relay for bypass contactor
Ramp time during stop– 1 to 180 sec
Recommended load3 – Phase AC Motor, multiple motors or other loads arenot recommended except under specific circumstances.
Pedestal (Initial) voltage– 1 to 60%
Voltage rating of thyristors1400 to 1600 PIV
Types of coolingAir-cooled below 250 hp, fan cooled for 250 hp and above.
Rated control supply voltage230 V AC + 15%/ – 15%, 1 phase, 50 Hz
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