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Siemens 3RU1136-4FB0 - Thermal Overload Relay (28-40A)

Siemens
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Siemens 3RU1136-4FB0 is a thermal overload relay designed for protecting three-phase AC motors from damage due to overcurrent conditions. It features a current adjustment range of 28 to 40 amps and is engineered for reliable operation within standard industrial voltage systems. The relay is constructed with a robust, compact design for easy integration into motor control centers and panels, ensuring compliance with international industry standards for safety and performance. Its thermal memory function provides accurate protection against prolonged overloads and phase loss, making it suitable for applications in pumps, fans, conveyors, and other motor-driven machinery.

Key Features & Specifications
  • Type: Thermal overload relay for three-phase AC motor protection
  • Voltage Rating: For use in standard industrial AC systems
  • Current Rating: Adjustable from 28 A to 40 A
  • Relay Style: Thermal, with bi-metal trip mechanism
  • Amperage Minimum: 28 A
  • Amperage Maximum: 40 A
  • Weight: 10 lb
  • Standards: Complies with relevant IEC and UL standards for motor protection
  • Applications: Protection for pumps, fans, compressors, and conveyor systems


Product Identification
  • UPC: 075455441250
  • GTIN: 00754554412504