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Hi Sykimk At present there is no recognized standard for manufacturing and testing of LV Arc Resistant MCCs, however, Eaton Cutler-Hammer has released a MCC design called FlashGard. This design mitigates Arc Flash Hazard by introducing preventive measure like remotely rackable buckets...

Thanks for your response, dpc. We intend to use these transformers in secondary redundant system. You are right that transformer failure event would have greater adverse effect on redundancy. Talking to various manufacturers, I understand that most of them are not equipped to perform a heat run...

Working on the design of power distribution in an industrial plant, we are debating whether to use two winding transformers or three winding transformer with identical LV windings. We have the otion of using either TWO 25kV-480V 2MVA 2-winding transformers or ONE 25kV-480V/480V 4MVA 3-winding...