Summary

• Siemens SIRIUS 3RV2021-1DA10 three-pole motor protection circuit breaker with an adjustable thermal overload release range of 2.2–3.2A, instantaneous short-circuit release of 42A, and Class 10 trip characteristics. Features a rotary ON/OFF operator and an installed auxiliary contact block with one normally open (NO) and one normally closed (NC) contact.
• This item was sourced from a new, uncommissioned equipment cabinet that was dismantled prior to being placed into service.

Product Description

• The Siemens SIRIUS 3RV2021-1DA10 is a three-pole motor protection circuit breaker designed for industrial motor control applications. It provides thermal overload and magnetic short-circuit protection to safeguard motors and electrical equipment against excessive current conditions.
• Featuring a compact S0 frame, adjustable overload settings, screw terminals, and a rotary operating handle, this circuit breaker is suitable for industrial control panels and motor starter assemblies. The installed auxiliary contact block provides additional switching contacts for control and status indication.

Product Information

- Manufacturer - Siemens
- Model Number - 3RV2021-1DA10
- Series - SIRIUS 3RV2
- MPN - 3RV2021-1DA10
- Product Type - Motor Protection Circuit Breaker
- Circuit Breaker Type - Thermal Magnetic
- Number of Poles - 3
- Frame Size - S0
- Adjustable Thermal Overload Release - 2.2–3.2 A
- Instantaneous Short-Circuit Release - 42 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
- Auxiliary Contacts - 1 NO + 1 NC (Installed)
- Auxiliary Contact Terminals - 13–14 (NO), 21–22 (NC)
- Operating Temperature - -20°C to +60°C
- Country of Origin - Germany
- EAN - 4011209902923
- UPC - 040892942200
- Quantity Included - 1 Circuit Breaker with Installed Auxiliary Contact Block