Siemens 3VA9477-0CK12 is a Max-Flex operating unit (Bowden cable) for use with 3VA53/54 and 3VA63/64 molded‑case circuit breakers. The complete kit includes a plastic handle with NEMA 1/12/3R ratings (black handle at OFF, red handle at ON), a 36 in (0.9 m) Bowden cable, and the switching mechanism. It is UL‑market only and not approved for IEC applications, with a net weight of 1.696 kg. This accessory enables remote manual operation of the specified 3VA series breakers in UL installations, offering a compact actuation solution in a Max-Flex configuration.
