Siemens 3RV1011-1AA10 is a motor-protection circuit breaker in the S00 frame designed to protect small motors in control panels. It combines thermal overload protection (A-release) adjustable from 1.1 to 1.6 A with a magnetic release (N-release) rated at 21 A for short-circuit trips and carries Class 10 protection. The device is rated for 220–690 V AC, uses screw terminals, and is compatible with DIN rail mounting, offering the standard switching capacity of the 3RV1 family. With a quoted motor-power rating of 0.55 kW, it is suitable for light- to medium-duty motor control and starter circuits in industrial applications.
