Summary

• Siemens SIRIUS 3RV2021-4BA10 three-pole motor protection circuit breaker with an adjustable thermal overload release range of 13–20A, instantaneous magnetic short-circuit release of 260A, and Class 10 trip characteristics. Features a rotary ON/OFF operating handle, screw terminals, and a compact S0 frame for industrial motor protection applications.
• This listing includes one Siemens 3RV2021-4BA10 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.
• This item was sourced from a new, uncommissioned equipment cabinet that was dismantled prior to being placed into service.
• This is a multiple quantity listing and the unit that you will receive may be different than the unit shown, but is in the same cosmetic condition. Please review all photos for the exact item, condition, and components included.

Product Description

• The Siemens SIRIUS 3RV2021-4BA10 is a three-pole thermal-magnetic motor protection circuit breaker designed to protect electric motors against overload and short-circuit conditions. The adjustable thermal release allows the protection setting to be matched to motor requirements within the 13–20A range, while the instantaneous magnetic release provides short-circuit protection.
• The breaker features a manual rotary operating handle, Class 10 overload tripping, screw-type connections, and a compact S0 housing suitable for DIN rail installation in industrial motor control panels, machinery, and automation systems.

Product Information

- Manufacturer - Siemens
- Model Number - 3RV2021-4BA10
- Series - SIRIUS 3RV2
- MPN - 3RV2021-4BA10
- Product Type - Motor Protection Circuit Breaker
- Circuit Breaker Type - Thermal Magnetic
- Number of Poles - 3
- Frame Size - S0
- Adjustable Thermal Overload Release - 13–20 A
- Instantaneous Short-Circuit Release - 260 A
- Trip Class - Class 10
- Rated Operating Voltage - 20–690 V AC
- Rated Insulation Voltage - 690 V AC
- Rated Impulse Withstand Voltage - 6 kV
- 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 - 4011209712522
- UPC - 662643924329
- Quantity Included - 1 Circuit Breaker