Siemens Circuit breaker, spring-type, size S0Product Overview Circuit breaker size S0 for starter combination Rated current 25 A N release 325 A Spring type terminal Standard switching capacity Key Features Size: S0 (45 mm width) Rated Current: 25 A (non adjustable) Short circuit Release: 325 A (N release) Connection System: Spring type terminal Number of Poles: 3 pole (3P3d) Rated Operational Voltage: Up to 690 V AC Rated Frequency: 50 60 Hz Application: Starter combination circuit breaker