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- 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.
Limit Control, SPST, Pilot Duty: 0.25 A at 0.25 to 12 VDC, 3 in Element, 2-5/16 in W x 2 in D x 3-3/4 in H, Import
- 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
- Limit (AFL)- 2 A at 30 VAC, 10 A at 120 VAC, 5 A at 240 VAC, Limit (ALR)- 60 A at 120 VAC, 30 A at 240 VAC
- Normally closed SPST switch opens on temperature rise to the set point
- 190 deg F ambient temperature at switch, 350 deg F ambient temperature at element, 165 deg F ambient temperature at high limit stop
- Dimensions2-5/16 in W x 2 in D x 3-3/4 in HDomestic / ImportImportElement3 inManufacturerHoneywellManufacturer #L4029E1227/UPilot Duty Rating0.25 A at 0.25 to 12 VDCSwitch ActionSPST