Siemens SIRIUS Connection Module 3RA1921-1 for 3RV1.2 and 3RT101

The Siemens SIRIUS Connection Module 3RA1921-1 (MPN: 3RA19211DA00) is a mechanical and electrical connection module designed to link the SIRIUS 3RV1.2 motor starter protector/circuit breaker with the SIRIUS 3RT101 contactor. This plug-in module enables the construction of compact motor starters, reducing wiring effort and saving space in control cabinets.

Advantages

Simplifies assembly of motor starter combinations by providing a direct plug-in connection between the circuit breaker and contactor. Reduces wiring time and potential errors, ensuring reliable electrical and mechanical integration. Compact design saves panel space and improves overall system organization.

Suitable for

• Building compact direct motor starters
• Industrial automation and control panels
• Applications requiring SIRIUS 3RV1.2 and 3RT101 components

Key specifications

• Product Type: Connection Module
• Series: SIRIUS
• Compatible with: SIRIUS 3RV1.2 Motor Starter Protector / Circuit Breaker and SIRIUS 3RT101 Contactor
• Number of Poles: 3-pole
• Rated Insulation Voltage (Ui): 690 V
• Rated Impulse Withstand Voltage (Uimp): 6 kV
• Degree of Protection: IP20
• Operating Temperature: -25 to +60 °C
• Storage Temperature: -40 to +80 °C
• Standards: IEC 60947, UL, CSA

Recommendations

Use this connection module to create a compact motor starter assembly. Ensure compatibility with SIRIUS 3RV1.2 and 3RT101 devices. For technical details, refer to the Siemens SIRIUS system manual.