3RU21264NB0 - Siemens Thermal Overload Relay 23-28A 690VAC 3-Pole Class 10 S0 Frame Screw Mount

3RU21264NB0

3RU21264NB0 is a Siemens thermal overload relay designed for motor protection with a 23 to 28 amp rating and 690 VAC coil voltage.3RU21264NB0 features a 3-pole design with screw-type terminals for both main and auxiliary circuits, suitable for direct mounting on contactors. It operates at 50 to 60 Hz frequency and includes integrated auxiliary contacts (1 NO, 1 NC) for signaling and control. The relay is rated for Class 10 trip characteristics and fits the S0 size frame. It is certified by UL, CSA, CE, CCC, and EAC, ensuring compliance with international standards. The device is rated for operation in temperatures from -20 to 70 degrees Celsius and has an IP20 enclosure rating.

Key Specifications
• Amperage Rating: 23 to 28 A
• Voltage Rating: 690 V AC
• Number of Poles: 3
• Mounting Type: Direct mounting on contactor
• Trip Class: 10 (Class 10)
• Contact Form: 1 NO, 1 NC auxiliary contacts
• Terminal Type: Screw
• Frequency: 50 to 60 Hz
• Enclosure Type: IP20
• Size/Frame: S0
• Operating Temperature: -20 to 70 °C
• Certifications: UL, CSA, CE, CCC, EAC

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Specifications

• Part Number: 3RU21264NB0
• Manufacturer : Siemens
• Brand : Siemens
• Category : Motor Control
• Item Subcategory : Overload Relay
• Family : Sirius
• Type : 3RU21
• Relay Style : Thermal
• Aux Contacts : 1NO/1NC
• Amperage Maximum : 28
• Amperage Minimum : 23

Product Data

• UPC : 662643919479
• GTIN : 00662643919479
• Country of Origin : Germany
• Dimensions : 4.016 x 1.929 x 4.016 inch
• Weight : 0.474
• Certification : REACH Art 33 Duty to Inform According to the Current List of Candidates Lead CAS-No. 7439-92-1 Greater Than 0, 1 % (w/w), RoHS 07/01/2006, WEEE (2012/19/EU) Take-Back Obligation