The Siemens 3VA9477-0GF21 is a SENTRON rotary handle operator with a 24-inch (600 mm) shaft, designed as an accessory for the 3VA51/52/53/54 molded-case breakers rated 125 A through 600 A and the 3VA61/62/63/64 breakers rated 150 A through 600 A.
Deployment context
Mounts directly to the breaker front cover via the standard rotary-drive interface; the 24-inch shaft length suits enclosures where the breaker is recessed or door-mounted, keeping the handle accessible on the panel exterior.