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  1. pwrman

    Using a 440V 60hz motor on a 460V 60hz supply

    Please READ THIS!! The motor you wiring needs to be carefully thought out like any system. As I understand it you have a 440 Volt motor and the Full Load Amps are 185A. With just this basic information you can tell alot of what you need to do for a safe system. 1)440V Motor can run on a...
  2. pwrman

    Relay & Control Panel Cost Reductions Project

    I've done a few of those jobs, the best way I have found is to have pre-engineered Panels built to replace the old ones. These panels only take up about a third of the room as your mech. relaying panels do. So you can plan your outage time around the wiring that is done to intergrate the new...
  3. pwrman

    Circuit breaker timing

    Vanguard is good. Multi-Amp makes a one. This link can help too. :http://www.calibratorrentals.com/Categories/hipot.htm Electrical Power Solutions Ltd. www.e-p-solutions.com
  4. pwrman

    Single phase test for switchgear

    Rent a Circuit Breaker tester you should be able to find one with that cap., [thumbsup2] Electrical Power Solutions Ltd. www.e-p-solutions.com
  5. pwrman

    Blown fuses on power factor correction capacitors switched with aerato

    Have you checked the Capacitors with a tester lately, you my have some of them going bad. This not uncommon with this application. A simple handheld capacitor checker can determine this, compare the readings to the nameplate uf. Understand that older capacitors contain PCB's so if replacing a...
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