I have a rotary screw compressor (25hp) with 64 amps indicated on the 3 phase 240 volt motor id plate. I brought in an "expert" to service the compressor because it began frequent thermal overload tripping. He found the motor is in balance and draws 56 amps. He suggested changing the starter...
I have a used nordic dual ramp soft starter I'm using to start 20 hp 230 volt 3 phase dust collector. I bought it with no instructions and understand the line and load connections. Need to know the low voltage control -- have ramp 1 enable contact, common contact, ramp 2 enable contact, and...
