Contactors & Bistable Relays ABB

The TF42 thermal overload relay is an economic electromechanical protection device for the main circuit. The overload relays are connected directly to the block contactors. Single mounting kits are available as accessory. Features and Benefits: -Offers reliable and fast protection for motors in the event of overload or phase failure -The device has trip class 10, temperature compensation, trip contact (NC), signal contact (NO), automatic- or manual reset selectable, trip-free mechanism, STOP function and a trip indication Typical Applications: -Main circuit protection