Siemens 3RV20211GA10 SIRIUS Motor Protection Circuit Breaker. SIRIUS Motor Protection Circuit Breaker, 690 VAC, 6.3 A, 4 kW Power, 50/60 Hz Frequency, 6 kA Interrupt, S0 Frame, Thermomagnetic Trip, 4.5 to 6.3/82 A Trip, 3 Pole, 3 ph, Screw Connection, 16 to 12 AWG, 14 to 8 AWG Wire, IP20 Enclosure, DIN Rail/Snap-On/Threaded Mounting, -20 to 60 deg C, 97 mm H x 45 mm W x 97 mm D Dimensions. Additional Description: SIEM-3RV2021-1GA10 MSP S0 4.5 - 6.3A SCREW 3A. Catalog Description: Switch_MOTOR 3RV2021-1GA10-3RV2021-1GA10_4.5...6.3A_6.3A_460V.