Therm-O-Disc > Products > Bimetal Controls & Limits

66T Manual Reset Bimetal Limit

The 66T manual reset temperature limit  from Therm-O-Disc® offers proven reliability in a compact, versatile, cost-effective design. The snap action of the bimetal disc provides high-speed contact separation resulting in excellent life cycle characteristics at electrical loads up to 40 amps at 277 VAC.   The 66T can be supplied in combination with with our 59T adjustable water heater control as an industry standard electric water heater temperature control/limit.

  • Double pole, single throw (“M2 Trip Free” construction)
  • Welded construction used on all internal current carrying components for greater electrical integrity
  • 10-32 tin plated terminal screws for electrical connections
  • 66T standard mounting plate designed to interface with our 59T adjustable temperature control
  • 66TM available with surface mount tabs ( when not used with our 59T )
Temperature Calibration
  • Max / Min available calibrations:
    • 235°F ( 113°) maximum calibration
    • 160°F ( 71°C) minimum calibration
  • See data sheet (Product Download Tab) for detailed temperature calibration information
  • Cooking
  • Heating
  • Laundry
Agency Ratings
  • UL /CSA
    • 277 VAC / 40 amps/ 6,000 cycles
  • See data sheet (Product Download Tab) for detailed ratings information including maximum calibration temperatures for Agency electrical ratings