The Siemens 3RV2021-4BA15 is a circuit breaker designed for motor protection, sized as S0, suitable for motors with a rated current range of 13 to 20A. This breaker features CLASS 10 A release characteristics, allowing it to automatically disconnect the circuit based on varying motor load conditions, providing overload protection for the motor. It uses screw terminal connections for easy installation and wiring and is designed with standard switching capacity, making it ideal for various motor protection and control circuits. The breaker is also equipped with transverse auxiliary switches, including 1 normally open (NO) and 1 normally closed (NC) contact, providing additional flexibility for control and monitoring.
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