The SIRIUS 3RV2 motor starter protectors/circuit breakers are compact, current limiting motor starter protectors/circuit breakers which are optimized for load feeders. The motor starter protectors/circuit breakers are used for switching and protecting three phase motors of up to 55/45 kW at 400 VAC and for other loads with rated currents of up to 100 A. Siemens Motor Protection Circuit Breaker, Type 3RV2, 690 VAC, 27 to 32 A, 30 kW Power, 50/60 Hz Frequency, 2 kA Interrupt, S0 Frame, Class 10 Magnetic Trip, 400 A Trip, 3 Pole, 3 ph, Spring-Loaded Latch-Lock Handle Connection, 18 to 8 AWG Wire, IP20 Enclosure, DIN Rail Mounting, -20 to 60 °C, 119 mm H x 45 mm W x 96 mm D Dimensions