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Siemens 3RB21634GC2 - Solid-State Overload Relay 24V

Siemens
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Siemens 3RB21634GC2 is a solid-state overload relay designed for protecting AC motors against overload and phase failure. It is rated for a control voltage of 24 V AC/DC and supports a current range from 0.1 to 400 A, depending on the connected current transformer. The device features a compact, modular construction with screw-type terminals for easy installation in motor control centers. It complies with international standards such as IEC 60947-4-1 and UL 508, ensuring reliable performance in demanding environments. Typical industrial applications include conveyor systems, pumps, fans, and compressors in manufacturing and process industries.

Key Features & Specifications
  • Type: Solid-state overload relay
  • Voltage Rating: 24 V AC/DC
  • Current Rating: 0.1 - 400 A (with external CT)
  • Dimensions: 4 lb weight
  • Standards: IEC 60947-4-1, UL 508
  • Applications: Motor protection in conveyors, pumps, fans, compressors
  • Relay Style: Solid-state
  • Coil Voltage Minimum: 24 V
  • Coil Voltage Maximum: 24 V
  • Control Voltage Minimum: 24 V
  • Control Voltage Maximum: 24 V
  • Frequency Rating: 50/60 Hz
  • Phase: 3-phase
  • Protection: Overload, phase failure
  • Functions: Overload, phase loss, asymmetry
  • Mounting: Screw-type terminals
  • Installation Type: Panel mount
  • Terminal Connection: Screw terminals
  • Operating Temperature Maximum Celsius: 60 °C
  • Weight: 4 lb


Product Identification
  • UPC: 4089255364
  • GTIN: 00040892553642