Recommended load3 – Phase AC Motor, multiple motors or other loads arenot recommended except under specific circumstances.
During Storage-40 degC to +70 degC
Current limit– 1.5 to 7 x rated current
Altitude of Installation1000 meters (Above 1000m derating had to be done)
Over temperature protectionNormally closed contact output, thermal switch provided for heatsink
Ramp time during stop– 1 to 180 sec
ProtectionsInternal protection for Overtemperature and transient voltage
Pedestal (Initial) voltage– 1 to 60%
Control CircuitNumber of digital Inputs – 3 (Start, stop, emergency stop)
FeaturesSoft Start facility, with initial torque setting by minimum pedestal voltage, ramp time adjustable for setting ramping time, adjustable from 1 to 180 secs
Rated control supply voltage230 V AC + 15%/ – 15%, 1 phase, 50 Hz
Voltage rating of thyristors1400 to 1600 PIV
Signal RelaysOne C/O relay for bypass contactor
Overload capacity115% Continuous, 150% for 10 seconds and 200% for 5 seconds
Main CircuitProvided with external bypass contactor provision
Main SettingsRamp time during start – 1 to 180 sec
DisplayLED Seven Segment Display with 4 keys keypad for setting parameters
Types of coolingAir-cooled below 250 hp, fan cooled for 250 hp and above.