Fixed Thermostat


The L117 Series is a manual reset type and fixed temperature device
used for safety to prevent overheating.
If the primary regulator loses its function, the L117 protects the device by
disconnecting power at the secondary set temperature.
As a fail-safe product, it automatically shuts off the switch in the case of
capillary damage or leakage. There are also the Manual Reset Type LB117 Series
and the Automatic Reset Type LC117 Series.


  • Manual Reset / Fixed Temperature
  • Temp Range : Max. 260°C (500°F)
  • Capillary Tube Length : Max. 3,000mm (10ft)
  • Fail-Safety Function
  • Electric Rating : 120, 240, 277, 480 VAC
  • Switch Type : SPST, SPDT


  • Commercial Kitchen Equipment
  • Heating & Cooling Equipment
  • Industrial Facilities
  • Experimental Equipment

Main Model

Model Temp Range Electric Ratings Bulb Dimensions Switch Accuracy  
LB117-057 232℃ Fixed (Fixed 450°F) 20A / 250VAC Ø7.92X112.2mm (0.312"X4.418") SPST Manual ±8.3℃ (±15°F) Learn more...
  • LB117-057
LC117-047 224℃ Fixed (Fixed 435°F) 25A / 240VAC Ø7.92X112.2mm (0.312"X4.418") SPDT ±8.3℃ (±15°F) Learn more...
  • LC117-047

303-204 , 397, Seokchun-ro, Bucheon, Gyeonggi, KOREA T : 82-32-624-2288 F : 82-32-624-2299