Degree of protectionMain Circuit – IP00, Supply and Control Circuit – IP20
DisplayLED Seven Segment Display with 4 keys keypad for setting parameters
Signal RelaysOne C/O relay for bypass contactor
Ramp time during stop– 1 to 180 sec
Rated control supply voltage230 V AC + 15%/ – 15%, 1 phase, 50 Hz
SCR ProtectionMOV transient voltage suppressors to absorb high energy voltage transients
ProtectionsInternal protection for Overtemperature and transient voltage
Types of coolingAir-cooled below 250 hp, fan cooled for 250 hp and above.
FeaturesSoft Start facility, with initial torque setting by minimum pedestal voltage, ramp time adjustable for setting ramping time, adjustable from 1 to 180 secs
Overload capacity115% Continuous, 150% for 10 seconds and 200% for 5 seconds
Ambient TemperatureDuring Operation
Main CircuitProvided with external bypass contactor provision
Pedestal (Initial) voltage– 1 to 60%
Main SettingsRamp time during start – 1 to 180 sec
Altitude of Installation1000 meters (Above 1000m derating had to be done)
Current limit– 1.5 to 7 x rated current
Voltage rating of thyristors1400 to 1600 PIV
Control CircuitNumber of digital Inputs – 3 (Start, stop, emergency stop)
Rated Insulation Voltage600V
Recommended load3 – Phase AC Motor, multiple motors or other loads arenot recommended except under specific circumstances.
Over temperature protectionNormally closed contact output, thermal switch provided for heatsink
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