L4029E Reset Limit Control opens a line or low voltage circuit if the air temperature reaches a critical level. L4029E acts as a fire thermostat in the ducts of AC & ventilating systems. If the air temperature indicates a fire, the fan is shut down.
Shuts off the fan when air temperature is indicative of fire.
Internal snap-acting switch actuated by a bimetal strip inserted directly into the air stream responds rapidly to temperature changes.
Requires manual reset
0.8 Pounds (lbs)
4.25 Inches (In)
2.75 Inches (In)
7.5 Inches (In)
Country of Origin
Normally closed SPST (Single-Pole, Single-Throw) switch opens on temperature rise to the set point. Switch must be manually reset to operate.