75KB14, 1 pole contact kit, rated for 270 amp, 600 volt max, suitable for NEMA size 5 motor starters and contactors, suitable with Innova model types 14KB, 14KF, 14KS, 40KB, 40KF, 40KS, 22KB, 22KF, 22KS, 43KB, 43KF, 43KS, complete assembly kit includes all contacts and related mounting screws and hardware, direct substitute for OEM 75KB14