... switch BK200/300,are designed for AC 60HZ, rated voltage A.C. up to 660V, rated voltage D.C. ... up to 440V. 1. APPLICATION.The limit switch BK ... 200, BK 300 are designed for operation in distribution system of AC 60HZ, rated voltage A.C ... current660Ampere rating, A16Actuation force of switch, H, no more than80Release force of switch, N, no more than2Travel ...