... with the help of two separated transformers. Solid-state relay controlled and Phase shifting trigger circuit stepless.5,Electric control ... ,High integration the periphery of the circuitFor Solid-state relay controlled for phase control,promise DiaoLiu,with non-contact, no ... simple, reliable performance, etc.E,Equipment main specifications1,Power supply 3 phase, 50Hz, 380V±10%, 60KW or as per customer's ...