Siemens 3RU21464KB0 - Overload Relay 57-75A (690VAC)
Siemens 3RU21464KB0 - Overload Relay 57-75A (690VAC)

Siemens 3RU21464KB0 - Overload Relay 57-75A (690VAC)

Siemens
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Siemens 3RU21464KB0 is a 3-pole thermal overload relay designed for motor protection in industrial applications. It provides Class 10 trip characteristics with a current rating from 57 to 75 amps and a maximum voltage of 690 VAC, featuring a 1NO-1NC auxiliary contact configuration with automatic/manual reset capability. The device measures 4.449 x 3.071 x 5.197 inches and weighs 1.268 lb, constructed for panel or contactor mounting with screw terminal connections for both main and auxiliary circuits. It is certified to UL, CSA, CCC, and CE standards for reliable performance. This overload relay is typically used for protecting motors in S3 frame applications within industrial control panels and machinery.

Key Features & Specifications
  • Type: Overload relay
  • Item Subcategory: Contactors
  • Section: Overload relay
  • Part Number: 3RU21464KB0
  • Amperage Rating: 57 to 75 A
  • Rated Voltage: 690 VAC
  • Number of Poles: 3 Pole
  • Mounting Type: Panel or Contactor Mount
  • Interrupt Rating: 1000 V
  • Series/Frame: S3
  • Trip Unit: Class 10 Thermal
  • Reset Type: Automatic/Manual
  • Contact Configuration: 1NO-1NC
  • Certifications: UL Listed, CSA Certified, CCC Certified, CE Certified
  • Country of Origin: Germany
  • Dimensions: 4.449 x 3.071 x 5.197 inch
  • Weight: 1.268 lb


Product Identification
  • UPC: 804766377877