Summary

• Siemens SIRIUS 3RV2021-1JA10 three-pole motor protection circuit breaker featuring an adjustable thermal overload release range of 7–10A, instantaneous magnetic short-circuit release of 130A, and Class 10 trip characteristics. Designed for industrial motor protection applications, with a rotary ON/OFF operating handle, screw terminals, and compact S0 frame.
• This listing includes one Siemens 3RV2021-1JA10 motor protection circuit breaker only. No original box, instructions, manuals, wiring, or additional accessories are included. Please review all photos for the exact item, condition, and components included.

Product Description

• The Siemens SIRIUS 3RV2021-1JA10 is a three-pole thermal-magnetic motor protection circuit breaker designed to protect electric motors against overload, short-circuit, and phase-failure conditions. Its adjustable thermal overload release provides a setting range of 7–10A, while the 130A instantaneous magnetic release provides short-circuit protection.
• The breaker features Class 10 tripping characteristics, a manual rotary ON/OFF handle, screw-type terminals, and an S0 frame suitable for installation in industrial motor control panels, electrical distribution equipment, and automation systems.

Product Information

- Manufacturer - Siemens
- Model Number - 3RV2021-1JA10
- Series - SIRIUS 3RV2
- MPN - 3RV2021-1JA10
- Product Type - Motor Protection Circuit Breaker
- Circuit Breaker Type - Thermal Magnetic
- Number of Poles - 3
- Frame Size - S0
- Adjustable Thermal Overload Release - 7–10 A
- Instantaneous Short-Circuit Release - 130 A
- Trip Class - Class 10
- Rated Operating Voltage - 20–690 V AC
- Operating Frequency - 50/60 Hz
- Rated Operational Current - 10 A
- Motor Power Rating at 400V - 4 kW
- Terminal Type - Screw Terminals
- Mounting Type - DIN Rail
- Operating Mechanism - Rotary ON/OFF Handle
- Operating Temperature - -20°C to +60°C
- Country of Origin - Germany
- EAN - 4011209902909
- Quantity Included - 1 Circuit Breaker