Russian standard, limit switch BK200/300,are designed for AC 60HZ, rated ... D.C. up to 440V. 1. APPLICATION.The limit switch BK 200, BK 300 are designed for operation in ... A16Actuation force of switch, H, no more than80Release force of switch, N, no more than2Travel of drive, degree14Actuating time no more than, ... more than600Mechanical durability, million cycle, no less than16 Limit Switch BK200