Sell the MVC brushless Alternators,4 poles, IP21-23, the insulation system is class H.Durable quality. MVC brushless Alternators (30KVA~1500KVA) MGA315 200-400kwMGA355 450-560kwMGA400 560-1200kwMGA270 80-220kwMGA225 24-75kw. Alternator Feature·Brush-less, 4 poles, rotation magnet.·IP21-23(NEMA1) enclosure is standard for all industrial alternators.·The insulation system is Class H·Simple ...