3RU21464HB0 – Siemens 36-50A Class 10 Thermal Overload Relay for Motor Protection, 3-Pole, S3 Frame, Contactor Mounting

3RU21464HB0

3RU21464HB0 is a Siemens SIRIUS 3RU2146-4HB0 Class 10 thermal overload relay designed for reliable motor protection in industrial applications. This 3-pole device features manual/automatic reset, screw terminals for both main and auxiliary circuits, and is compatible with contactor mounting for easy integration into motor control systems. The relay provides precise overload protection for motors with a full-load current range of 36 to 50 amps and is suitable for use in 3-phase systems. Engineered for durability and safety, the 3RU21464HB0 offers a switching voltage up to 690 VAC, IP20 protection on the front, and robust thermal overload protection with Class 10 trip characteristics. The relay includes one normally open (NO) and one normally closed (NC) auxiliary contact for control circuit signaling. Its compact S3 frame design and versatile mounting options make it ideal for a wide range of motor control panels and industrial environments.

• Part Number: 3RU21464HB0
• Manufacturer: Siemens
• Series/Frame: SIRIUS S3
• Amperage Range: 36-50 A
• Number of Poles: 3
• Mounting Type: Contactor Mounting
• Terminal Type: Screw
• Switching Voltage: 690 VAC
• Protection Class: IP20
• Trip Class: Class 10
• Reset Type: Manual/Automatic
• Auxiliary Contact: 1NO/1NC

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Specifications

• Part Number: 3RU21464HB0
• Brand : Siemens
• Category : Motor Control
• Item Subcategory : Contactors
• Section : Overload relay

Product Data

• UPC : 804766359354
• Country of Origin : Germany
• Dimensions : 5.118 x 3.071 x 4.488 inch
• Weight : 1.199 lb