| Application: |
Forced Warm Air Heating Systems |
| Dimensions: |
4 9/32 in. high x 3 in. wide x 1 19/32 in. deep excluding element |
| Comments: |
Turns fan on and off according to plenum temperature via helical bimetal sensing element. High limit stop set at 200F (93 C). Breakaway Jumper included. Includes manual and automatic fan on/off settings. Replaces L4064A,B,E. |
| Mounting: |
Surface or universal mounting bracket available (50077438-001/U) |
| Electrical Ratings: |
Fan- (AFL)– 14 A @ 120 Vac: 7 A @ 240 Vac; Fan- (ALR)– 84 A @ 120 Vac: 42 A @ 240 Vac; Limit- (AFL)– 8 A @ 120 Vac: 4 A @ 240 Vac; Limit- (ALR) 48 A @ 120 Vac: 24 A @ 240 Vac |
| Approvals, Underwriters Laboratories Inc.: |
Listed File MP466, Guide MBPR |
| Temperature Ratings (C): |
Maximum Ambient– At switch 88 C: At element: 177 C; High Limit– 38 C to 121 C; Fan-on– 18 C to 102 C; Fan-off– 10 C to 93 C |
| Temperature Ratings (F): |
Maximum Ambient– At switch: 190 F: At element: 350 F; High Limit– 100 F to 250 F; Fan-on– 65 F to 215 F; Fan-off– 50 F to 200 F; High Limit Stop– 200 F; Fan-on Stop– 125 F; Fan-off Stop– 100 F |
| Operating Temperature Range (C): |
-40 C to +88 C |
| Operating Temperature Range (F): |
-40 F to +190 F |
| Differential Temperature (C): |
High limit 14 C |
| Differential Temperature (F): |
High limit 25 F |
| Switching Action: |
Fan switch makes and high limit switch breaks on temperature rise. |
| Element Insertion Length (in.): |
5 in. |
| Pilot Duty Ratings: |
0.25 A @ 0.25 to 12 Vdc; 2 A @ 24 Vac |
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