Thermal Overload Relays
Select the manufacturer, relay range and motor current setting. Contactor pages show matched overload relays.
Product specification
3RU2146-4FB0
SIRIUS 3RU2 thermal overload relay, 28–40 A, size S3, CLASS 10, screw terminals. Direct mounting to matching 3RT204 contactor; separate mounting support available.
Dimensions & specifications
Choose the relay that fits the selected contactor and set it to the motor nameplate current. Frame compatibility is shown on each product.
Accessories & related parts
Part numbers & documents
- 3RU2146-4FB0 SIRIUS 3RU2 thermal overload relay, 28–40 A, size S3, CLASS 10, screw terminals. Direct mounting to matching 3RT204 contactor; separate mounting support available.
- 3RU2146-4HB0 SIRIUS 3RU2 thermal overload relay, 36–50 A, size S3, CLASS 10, screw terminals. Direct mounting to matching 3RT204 contactor; separate mounting support available.
- 3RU2146-4JB0 SIRIUS 3RU2 thermal overload relay, 45–63 A, size S3, CLASS 10, screw terminals. Direct mounting to matching 3RT204 contactor; separate mounting support available.
- 3RU2146-4KB0 SIRIUS 3RU2 thermal overload relay, 57–75 A, size S3, CLASS 10, screw terminals. Direct mounting to matching 3RT204 contactor; separate mounting support available.
- 3RU2146-4LB0 SIRIUS 3RU2 thermal overload relay, 70–90 A, size S3, CLASS 10, screw terminals. Direct mounting to matching 3RT204 contactor; separate mounting support available.
- 3RU2146-4MB0 SIRIUS 3RU2 thermal overload relay, 80–100 A, size S3, CLASS 10, screw terminals. Direct mounting to matching 3RT204 contactor; separate mounting support available.