The Siemens 3RV2011-4AA20 is a SIRIUS 3RV2 series motor protection circuit breaker designed for reliable overload and short-circuit protection of three-phase motors. It features an adjustable overload release (A-release) range of 10–16 A, a fixed short-circuit release (N-release) at 208 A, and Class 10 tripping characteristics. The unit uses spring-type (cage clamp) terminals for maintenance-free, vibration-resistant connections and belongs to the compact Size S00 frame.
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