477B477G05, 3 pole contact kit, rated for 270 amp, 600 volt max, suitable for NEMA size 5 motor starters and contactors, suitable with Westinghouse A200 Series A200, A201, A210, A211 motor starters contactors, complete assembly kit includes all contacts and related mounting screws and hardware, direct substitute for Westinghouse OEM 477B477G05