... voltage D.C. up to 440V. 1. APPLICATION.The limit switch BK 200, BK 300 are designed for operation in distribution ... BK 200), or accidentally pouring water or oil. 2. SPECIFICATIONS Main technical characteristics of switches BK 200 (300) are shown in ... Hz alternating current660Ampere rating, A16Actuation force of switch, H, no more than80Release force of switch, N, no more than2Travel of drive, ...