SIRIUS 3RV2 Circuit Breakers

Siemens SIRIUS 3RV2 Circuit Breakers are motor starter protectors that reliably protect equipment during a short circuit. When a short-circuit event (>13 times the rated current) occurs, the short-circuit releases isolate the faulty load feeder from the power supply within milliseconds. This quick response avoids fire damage and other significant harm to components. Siemens SIRIUS 3RV2 Circuit Breakers feature a lockable operating mechanism for manual closing/opening that prevents unauthorized access and ensures trouble-free operation. These motor starter protectors come in various sizes and are designed for flexible assembly using screw and spring-type terminals. These circuit breakers cover all the tasks of protecting motors, starters, transformers, and UL 489 applications.

Results: 669
Select Image Part # Mfr. Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Series Product Type Current Rating Voltage Rating AC Number of Poles Actuator Type Minimum Operating Temperature Maximum Operating Temperature Illuminated
Siemens Circuit Breakers CIRCUIT BREAKER. SCREW-TYPE. 100 A 3In Stock
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 100 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers Circuit breaker screw-type 93 A 3In Stock
Min.: 1
Mult.: 1
3RV2 Circuit Breakers Motor Protection 93 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 FOR XFRMR 5.5-8A SCREW 9In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Transformer Protection 8 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers TMCB UL489 S00 2A SCREW 4In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers System Protection 2 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers TMCB UL489 S00 12.5A SCREW 4In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers System Protection 12.5 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers TMCB UL489 S00 15A SCREW 8In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers System Protection 15 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers TMCB UL489 S0 20A SCREW 3In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers System Protection 20 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 0.14-0.2A SCREW 5In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 200 mA 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers CIRCUIT BREAKER MSP S00 0.18-0.25A SCREW 1In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 250 mA 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 0.22-0.32A SCREW 3In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 320 mA 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 0.28-0.4A SCREW 5In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 400 mA 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 0.28-0.4A SPRING 1In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 400 mA 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 0.35-0.5A SCREW 5In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 500 mA 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 0.45-0.63A SCREW 5In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 630 mA 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 0.45-0.63A AUX 1NO 1NC SCREW 3In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 630 mA 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 0.55-0.8A SCREW 3In Stock
2Expected 9/17/2026
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 800 mA 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 0.55-0.8A SPRING 4In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 800 mA 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 0.7-1A SCREW 2In Stock
5Expected 8/19/2026
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 1 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 0.7-1A AUX 1NO 1NC SCREW 2In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 1 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 0.7-1A SPRING 8In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 1 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 0.9-1.25A AUX 1NO 1NC SCREW 3In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 1.25 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 0.9-1.25A SPRING 3In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 1.25 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 1.1-1.6A AUX 1NO 1NC SCREW 4In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 1.6 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 1.1-1.6A SPRING 4In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 1.6 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated
Siemens Circuit Breakers MSP S00 1.1-1.6A AUX 1NO 1NC SPRING 2In Stock
Min.: 1
Mult.: 1

3RV2 Circuit Breakers Motor Protection 1.6 A 690 VAC 3 Pole Rotary - 20 C + 60 C Non-Illuminated