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Siemens 3RU2126-1GB0 - Thermal Overload Relay (0.25-0.4A)

Siemens
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Siemens 3RU2126-1GB0 is a thermal overload relay designed for protecting three-phase AC motors from overloads and phase failures. It features a current rating adjustable from 0.25 A to 0.4 A and is rated for control circuit voltages up to 690 V AC, housed in a compact, robust construction for reliable operation. This device complies with international standards including IEC/EN 60947-4-1 and is UL recognized, ensuring suitability for global industrial applications. Typical uses include integration into motor control centers, control panels, and machinery for pumps, fans, and conveyors.

Key Features & Specifications
  • Type: Thermal, bi-metallic overload relay with manual/automatic reset and phase failure protection
  • Voltage Rating: 690 V AC maximum for control circuits
  • Current Rating: Adjustable from 0.25 A to 0.4 A
  • Dimensions: Compact design for space-efficient mounting
  • Standards: IEC/EN 60947-4-1, UL Recognized
  • Applications: Protection of three-phase AC motors in industrial control systems, MCCs, and machinery
  • Switch Type: Auxiliary contact (1 NO + 1 NC)
  • Configuration: Direct mounting to contactor
  • Trip Type: Inverse time delay
  • Frame Size: S00 for use with specific Siemens contactors
  • Enclosure: Open style for panel mounting
  • Weight: 0.4136 lb


Product Identification
  • UPC: 66264391907
  • GTIN: 00662643919073