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Star-delta with isolator IP55 metal enclosure 400V up to 22kW * Part number: SI422S * Star-delta starters in metal enclosure IEC 947-4-1. * Complete with pushbuttons, and 250-500v coils. * Resetting of overload via stop button. * Overload for standard motor duty is supplied separately - Overload should be fitted in the Delta loop, therefore overload rating equal to FLC X by 0.58