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Siemens 3RU1146-4FB0 - Thermal Overload Relay (28-40A)

Siemens
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Siemens 3RU1146-4FB0 is a thermal overload relay from the Sirius family designed to protect three-phase AC motors from damage due to overcurrent conditions. It features a robust thermal operating principle with an adjustable current setting range from 28 to 40 A, suitable for control voltages up to 690 V AC. The relay is constructed for durability in industrial environments, with a compact design that facilitates easy integration into motor control centers and starter combinations. It complies with relevant international standards for safety and performance, ensuring reliable operation in demanding applications such as conveyor systems, pumps, and fans.

Key Features & Specifications
  • Type: Thermal Overload Relay, 3RU11 Series
  • Voltage Rating: Up to 690 V AC
  • Current Rating: Adjustable, 28 - 40 A
  • Relay Style: Thermal
  • Family: Sirius
  • Weight: 10 lb


Product Identification
  • UPC: 754554412559
  • GTIN: 00754554412559