The Siemens 3RV2011-1BA20 Sirius Circuit Breaker is a reliable and high-quality electrical component designed for superior performance. This 3-pole device, with a maximum amperage rating of 20 A, can handle a wide range of voltages from 20-690 V, making it a versatile choice for various applications. Equipped with an auxiliary contact, this circuit breaker offers added functionality and ensures a safe and efficient operation of your electrical systems. Siemens is a well-known brand for its durable and durable electrical components, and this circuit breaker is no exception.