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Siemens 3RU1126-4BB0 - Thermal Overload Relay 14-20A

Siemens
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Siemens 3RU1126-4BB0 is a thermal overload relay designed for protecting three-phase AC motors from damage due to overload, phase failure, and phase imbalance. It operates with a current adjustment range of 14 to 20 A and is engineered for a control circuit voltage up to 690V AC, featuring a compact and robust construction for reliable performance in demanding environments. This device complies with international standards including IEC/EN 60947-4-1 and is UL recognized, ensuring suitability for integration into industrial control panels and motor starter assemblies across various sectors such as material handling, HVAC, and pump control systems.

Key Features & Specifications
  • Type: Thermal, bi-metallic overload relay with manual/automatic reset
  • Voltage Rating: Control circuit 690V AC maximum
  • Current Rating: 14 - 20 A adjustable
  • Relay Style: Thermal
  • Amperage Minimum: 14 A
  • Amperage Maximum: 20 A
  • Standards: IEC/EN 60947-4-1, UL Recognized
  • Applications: Motor protection in industrial control systems, pumps, fans, conveyors
  • Item Subcategory: Overload Relay
  • Weight: 10 lb