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Siemens 3RU1146-4DB0 - Thermal Overload Relay (18-25A)

Siemens
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Siemens 3RU1146-4DB0 is a thermal overload relay designed for protecting three-phase AC motors from damage due to overloads and phase failures. It operates within a current range of 18 to 25 A and is part of the robust Sirius 3RU11 family, featuring a compact and durable construction for reliable performance in demanding industrial environments. This relay complies with relevant international standards for motor protection and is typically applied in control panels, machinery, and motor control centers (MCCs) to safeguard pumps, fans, and conveyors.

Key Features & Specifications
  • Type: Thermal overload relay, 3RU11 series, manual reset
  • Voltage Rating: For use in systems up to 690V AC
  • Current Rating: Adjustable range from 18 A to 25 A
  • Relay Style: Thermal, bi-metallic trip mechanism
  • Family: Sirius
  • Weight: 10 lb
  • Amperage Minimum: 18 A
  • Amperage Maximum: 25 A
  • Standards: Complies with IEC/EN 60947-4-1, UL 508, CSA C22.2 No. 14
  • Applications: Protection for three-phase AC motors in industrial machinery, pumps, fans, and conveyor systems


Product Identification
  • UPC: 075455441253
  • GTIN: 00754554412535