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Siemens 3RU11464JB0 - Thermal Overload Relay 45-63A (Class 10, S3 Frame)

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Siemens 3RU11464JB0 is a SIRIUS thermal overload relay engineered for motor protection, featuring an adjustable current range of 45 to 63 amperes across three poles. This Class 10 trip unit supports operating voltages up to 1000 VAC and provides surge voltage resistance of 8 kV. Housed in a Size S3 frame, the relay measures 4.409 x 2.992 x 5.157 inches and weighs 1.235 lb, with screw terminals for main and auxiliary circuits and an IP20 protection rating on the front. It is certified to RoHS, CE, UL, CSA, ATEX, IECEx, CCC, and EAC standards. Typical applications include industrial motor protection in contactor-mounted setups within automation and control systems.

Key Features & Specifications
  • Type: Thermal overload relay
  • Amperage: 45 to 63 A adjustable
  • Voltage: Up to 1000 VAC
  • Poles: 3
  • Mounting Type: Contactor mounting
  • Trip Unit: Class 10
  • Auxiliary Contacts: 1 NO + 1 NC
  • Protection Class: IP20 front
  • Size/Frame: S3
  • Terminal Type: Screw
  • Surge Voltage Resistance: 8 kV
  • Operating Temperature: -20 to +70 °C
  • Certifications: RoHS, CE, UL, CSA, ATEX, IECEx, CCC, EAC
  • Dimensions: 4.409 x 2.992 x 5.157 inch
  • Weight: 1.235 lb
  • Country of Origin: Germany


Product Identification
  • UPC: 754554412573