
SIEMENS 3RU2146-4HB0 ; 36...50 A New
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The Siemens SIRIUS 3RU2146-4HB0 thermal overload relay delivers dependable motor protection for modern control panels and industrial drives. With an adjustable 36...50 A setting range, it is a robust choice for assembling compact motor starters and for retrofit projects where precise overload response and uptime are critical.
As part of the SIRIUS 3RU2 family, this bimetal overload relay provides consistent tripping characteristics, straightforward current calibration, and secure screw-terminal connections. It conforms to IEC/EN 60947-4-1, supports DIN-rail or direct-on-contactor mounting, and features finger-safe IP20 terminals to streamline compliance and maintenance in demanding environments.
Trusted by OEMs and maintenance teams for reliable motor protection, the 3RU2146-4HB0 helps safeguard productivity while reducing nuisance trips, and it is supported by our service commitment that includes a 1-year warranty for added peace of mind.
- Brand: Siemens
- Series: SIRIUS 3RU2
- Model: 3RU2146-4HB0
- Type: Thermal overload relay
- Adjustable current range: 36...50 A
- Trip class: Class 10
- Protection rating: IP20
- Mounting: DIN rail or direct-on-contactor