Do thermal units have to be selected when ordering Tesys D-line overloads?
Issue: Do thermal units have to be selected when ordering Tesys D-line overloads?
Product Line: Overload relays
Pre-Tesys and Tesys D-Line
No. The D-line overload is an ambient compensated bimetal overload relay which requires no additional components. The full load current of the motor can be selected by rotating the dial on the overload to the desired value.