LF55
LF55 Pressure Switch for Refrigeration System
-0.5 ~ 42bar
| Model | Adjustable range (Bar) | Differential (Bar) | Factory setting (Bar) | Max working pressure (Bar) | ||||
| Min. | Max. | Min. | Max. | OFF | ON | |||
| LF5502 | -0.5 | 2 | 0.2 | 0.7 | 1 | 0.5 | 16.5 | |
| LF5503 | -0.5 | 3 | 0.35 | 1.5 | 2 | 1 | 16.5 | |
| LF5506 | -0.5 | 6 | 0.6 | 4 | 3 | 2 | 16.5 | |
| LF5506M | -0.5 | 6 | Reset Differential ≤1bar | 3 | Manual Reset | 16.5 | ||
| LF5508 | -0.2 | 7.5 | 0.7 | 4 | 3 | 2 | 20 | |
| LF5510 | 1 | 10 | 1 | 3 | 6 | 5 | 16.5 | |
| LF5514 | 2 | 14 | 1 | 4 | 10 | 8 | 20 | |
| LF5516 | 3 | 16 | 1 | 4 | 10 | 8 | 35 | |
| LF5520 | 5 | 20 | 2 | 5 | 16 | 13 | 35 | |
| LF5530 | 8 | 30 | Fixed at 3 to 5 | 20 | 15~17 | 35 | ||
| LF5530M | 8 | 30 | Reset Differential | 20 | Manual Reset | 35 | ||
| LF5530D | 5 | 30 | 3 | 10 | 20 | 15 | 35 | |
| LF5532 | 8 | 32 | 2 | 6 | 20 | 17 | 35 | |
| LF5542 | 8 | 30 | 4 | 10 | 30 | 25 | 46.5 | |
| Medium | Refrigerant, Air, Water, Oil | |||||||
| Media Temperature | -10°C ~ 120°C | |||||||
| Connection | M12 x 1.25, 7/16-20UNF – other connection types available on request | |||||||
| Contact Arrangement | SPDT | |||||||
| Current rating | 20A@125VAC,10A@250VAC | |||||||
| FLA: 15A @ 125VAC, 8A @ 250VAC | ||||||||
| LRA: 72A @ 125VAC, 64A @ 250VAC | ||||||||
LF55 Series pressure switch is usually used with fluorinated refrigerants to control the pressure of the compressor in the refrigeration system.
It can also be used in air and water. An internal Micro-switch ensures reliable switching.
It is provided with a standard Mounting Bracket.
Temperature package available.