SILICON CONTROLLED RECTIFIER (SCR); NOMINAL ELECTRICAL VOLTAGE: 1200; ELECTRICAL CURRENT: 1 72 A; EQUIPMENT: CONTROL UNIT TYPE MC6F5-A-8251020; COMPONENT: OPTOAC SIGNAL OPLATOR ENCODER; FOR CONTROL UNIT TYPE MC6F5-A-8251020 SERIES A05058422 RATED 165KVA INPUT 380VOLT 3PHASE 50 HERTZ OUTPUT 38 0VOLT AC 250AMP