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| Application | Provides high limit cutout with manual reset in warm air or air conditioning systems|Warm air systems, the L4029 may be used as secondary high limits for positive burner shutdown on fan failure, or on reverse airflow in counterflow furnaces|Limits may also be used to detect heat from a fire in air conditioning or ventilation ducts and shut off air circulation to contain the fire |
|---|---|
| Product Features | 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 |
| Approvals and Standards | UL Listed: File No. MP466, Vol. 8, Guide No. MBPR2|CSA Certified: File No. LR95329-5 |
| Ambient Operating Temperature (Max) | 190 °F|88 °C |
| High Limit Differential Temperature | 25 °F|14 °C |
| Electrical Ratings at Full Load | Limit: 2 A @ 30 V AC: 10 A @ 120 V AC: 5 A @ 240 V AC |
| Electrical Ratings at Locked Rotor | Limit: 60 A @ 120 V AC: 30 A @ 240 V AC |
| Pilot Duty Rating | 0.25 A @ 0.25 to 12 V DC |
| Switch Action | Normally closed SPST switch opens on temperature rise to the set point|Switch must be manually reset to operate |
| Element Insertion Length | 3 in|76 mm |
| Product Height | 3.75|95 |
| Product Width | 2.31|59 |
| Additional Dimensions Details | 2 in deep excluding element|51 mm deep excluding element |
| Finish | Smooth Gray |
| No overview is available for this product. |
Accessories (0)
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Universal Replacement (0)
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