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  1. 3tech

    508 panel 480 disconnect at machine or at power source

    Can I have fuses on the panel and require the customer to supply power with a shutoff switch? The panel would be 480 3 phase and controls a 3HP pump and a 25K watt heater with 24vac control circuit. Currently UL has aproved our panels 240vac with a miniture circuit breaker on the Electical...

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