... 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, second0, ... a rollerDegree of protectionIP54Switching on rate in an hour, no more than600Mechanical durability, million cycle, no less than16 Limit Switch BK200