Check the listing for details. Supco LD140 LD-Series Snap-Action SPDT Limit Control Thermostat, L140-20F. Condition: New. Listed at 9.55 USD. Supco LD140 LD-Series Snap-Action SPDT Limit Control Thermostat, L140-20FThe LD-Series style temperature controls have a bi-metal disc that senses the temperature and quickly separates the contacts. This results in long life characteristics at loads up to 25 amps at 240 VAC. LD-Series switches are single pole double throw 60T11 style (3/4”) with auto-reset. These switches are designed to open on temperature rise and are enclosed and provides greater protection than the exposed construction.Caution – For SPDT circuits, a load must be applied to terminal 2 and/or 3 to avoid a possible short circuit.Close when temperature differential is reachedOpen on rise1/4" quick disconnect terminalsWelded construction for integrity of current-carrying componentsSPDT thermostats SPECIFICATIONSRLA @ 120VAC / 240VAC:25APilot Duty @ 120VAC / 240VAC:125 VALRA @ 240VAC:30ALRA @ 120VAC:60AFLA @ 240VAC:5AFLA @ 120VAC:10A°Differential:20°Open ( °F):140°Close ( °F):120°