1SAZ431201R1002 ABB TF140DU-110 Thermal Overload Relay

Technical Detail: 1SAZ431201R1002

The ABB 1SAZ431201R1002 (TF140DU-110) is a robust **Thermal Overload Relay**. It is designed to protect motors in the event of overload or phase failure.

Setting Range

  • Current Range: 80 … 110 A.
  • Trip Class: Class 10A.
  • Mounting: Direct mounting onto AF contactors (AF116…AF140).

Protection

Includes temperature compensation and a reset function (automatic or manual). Essential for protecting expensive 55kW motors.

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