Fixed 165 F limit control that breaks on rise with manual reset.
Overview
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.
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.
Product Specifications
Dimensions (in.)
3 3/4 in. high x 2 5/16 in. wide x 2 in. deep excluding element.
Dimensions (mm)
95 mm high x 59 mm wide x 51 mm deep excluding element.
Electrical Ratings
Limit- (AFL)-- 2 A @ 30 Vac: 10 A @ 120 Vac: 5 A @ 240 Vac; Limit- (ALR)-- 60 A @ 120 Vac: 30 A @ 240 Vac
Approvals, Underwriters Laboratories Inc.
Listed: File No. MP466, Vol. 8, Guide No. MBPR2
Approvals, Canadian Standards Association
Certified: File No. LR95329-5
Tradeline Value
Tradeline
Temperature Ratings (C)
Maximum Ambient-- At switch 88 C: At element: 177 C
Temperature Ratings (F)
Maximum Ambient-- At switch: 190 F: At element: 350 F; High Limit Stop-- 165 F
Switching Action
Normally closed SPST switch opens on temperature rise to the set point. Switch must be manually reset to operate.
Element Insertion Length (in.)
3 in.
Element Insertion Length (mm)
76 mm
Pilot Duty Ratings
0.25 A @ 0.25 to 12 Vdc
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