3RU1146-4HB0 – Siemens Overload Relay 36-50A Class 10 Size S3

3RU1146-4HB0

3RU1146-4HB0 is a Siemens Sirius thermal overload relay designed for three-phase motor protection with adjustable amperage settings and Class 10 tripping characteristics.

This IEC-rated overload relay mounts directly to Siemens 3RT1 size S3 contactors and provides reliable motor protection in industrial applications. The relay features manual and automatic reset options, phase loss sensitivity, and screw terminal connections for both main and auxiliary circuits.

• Amperage Range: 36 to 50 AMPS adjustable
• Trip Class: Class 10
• Size: S3
• Mounting: Direct contactor mounting for 3RT1 size S3
• Main Circuit Connection: Screw terminal
• Auxiliary Circuit Connection: Screw terminal
• Motor Protection: Three-phase motor protection
• Phase Loss Sensitivity: Yes

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Specifications

• Part Number: 3RU1146-4HB0
• Manufacturer : Siemens
• Brand : Siemens
• Category : Motor Control
• Item Subcategory : Overload Relay
• Family : Sirius
• Type : 3RU11
• Relay Style : Thermal
• Amperage Maximum : 50
• Amperage Minimum : 36

Product Data

• UPC : 075455441256
• GTIN : 04011209300750
• Weight : 10