Limit control with a fixed 200 F range, manual reset, and a 3 in. insertion

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, CSA

Certified: File No. LR95329-5

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-- 200 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

This item has no supplemental files.