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I've done some research and feel it's time to hire an electrical specialist rather than an air compressor specialist. Can any of you suggest how I might find the right guy in the Gainesville, Florida area. I don't feel comfortable going to the yellow pages as most electicians in this area wire...

Thanks for all the great advice. My compressor "expert" was back today and changed oil and filters. He rechecked all line and control wiring connections. He says it all checked out and feels the problem is downstream from the starter. He also indicated the compressor itself is not creating a...

One more point. When the NO momentary start button is depressed, the breaker in the panel board makes a slight buzzing sound that my hired "expert" says not to worry about. I has already melted the middle leg on the breaker twice in the last 18 months... seems like something I should be...

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...

Thanks again for the fine information, jraef ! My next and maybe larger issue is the way the utility company has brought power to my building. They brought in the needed 240 v 3 ph power (delta system) with the third leg (far right on the panelboard as the kicker leg (208 to ground). I always...

Thanks to jraef. It is a model # 2534N00 Nordic dual ramp soft start. Any help would be great. I have a Nema size 3 starter (square D) ready to install if needed.

Thanks to jraef ! Does this mean I also need to wire a Nema size 3 starter inline before the soft starter ? I just want to get the thing right the first time. Thanks so much.

Thanks to jraef ! Does this mean I also need to wire a Nema size 3 starter inline before the soft starter ? I just want to get the thing right the first time. Thanks so much.

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...