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Siemens 3RU1126-4AB0 - Thermal Overload Relay 11-16A (Class 10)

Siemens
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Siemens 3RU1126-4AB0 is a thermal overload relay designed for motor protection in industrial applications, safeguarding three-phase motors against overloads and phase loss. This relay offers an adjustable current range of 11 to 16 amps with Class 10 tripping characteristics and operates at a rated insulation voltage of 690 V AC with a 6 kV surge voltage resistance. It features a compact S0 frame size, weighs 1 lb, and mounts directly to Siemens 3RT1 contactors using screw terminals for main and auxiliary circuits. The device complies with IP20 protection class standards and includes manual and automatic reset options for flexible operation. Typical applications include motor control centers, conveyor systems, pumps, and fans in manufacturing and process industries.

Key Features & Specifications
  • Type: Thermal Overload Relay
  • Series: Sirius
  • Frame/Size: S0
  • Adjustable Current Range: 11-16 A
  • Number of Poles: 3
  • Operating Voltage: 690 V AC
  • Mounting Type: Contactor Mounting (S0)
  • Interrupt Rating: 6 kV
  • Trip Class: Class 10
  • Auxiliary Contacts: 1 NO, 1 NC
  • Protection Class: IP20
  • Reset Type: Manual/Automatic
  • Terminal Type: Screw Terminal
  • Weight: 1 lb


Product Identification
  • UPC: 754554412399
  • GTIN: 00754554412399