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Siemens 3RU1126-1DB0 - Thermal Overload Relay 2.2-3.2A

Siemens
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Siemens 3RU1126-1DB0 is a thermal overload relay designed to provide reliable motor protection by monitoring current and tripping on sustained overloads. It operates with a current setting range of 2.2 to 3.2 A and is engineered for integration into motor control circuits. The relay features a compact, robust construction with a weight of 1 lb, ensuring durability in industrial environments, and complies with relevant international standards for motor protection devices. Its typical applications include safeguarding three-phase AC motors in machinery, pumps, and conveyor systems.

Key Features & Specifications
  • Type: Thermal Overload Relay, Manual Reset
  • Voltage Rating: For use in control circuits up to 690V AC
  • Current Rating: 2.2 - 3.2 A Adjustable
  • Relay Style: Thermal, Bi-Metallic Trip
  • Amperage Minimum: 2.2 A
  • Amperage Maximum: 3.2 A
  • Weight: 1 lb
  • Standards: IEC/EN 60947-4-1, UL 508
  • Applications: Protection of three-phase AC motors in industrial automation, HVAC, and material handling
  • Configuration: Direct mounting compatible with Siemens contactors
  • Connection: Screw terminals
  • Poles: 3
  • Protection: Phase loss sensitivity typically included
  • Functions: Overload protection, optional alarm contact
  • Mounting: DIN rail mountable
  • Ambient Temperature Rating: Typically -20°C to +60°C
  • Item Subcategory: Overload Relay