Surge suppressor part number is needed
TeSys D line Contactors
Products sold and used in the United States
Need a varistor coil surge suppressor in their application
For 24 to 48 volts AC LAD4VE, for 50 to 127 volts AC LAD4VG, and for 110 to 250 volts AC LAD4VU.
These will limit the transient to 2 times nominal voltage and increases drop out time 1.1 to 1.5 times normal.