The LF18 pressure switches are used to regulate the tank pressure between two preset values on 3 phase electrically driven air compressors. They are available with an unloader valve, which prevents compressors from starting under load, and it is available with an On-Off knob for manual cut off the compressor.
MODEL | Min ON (Cut-In)(Bar) | Max Off | Differential(Bar) | Factory Setting (Bar) | Electrical Rating | Pipe Fittings | Contact Arrangement | |
Current | ||||||||
LF18-1 | 1.0 | 5.0 | 1.0-3.0 | 2.0-4.0 | 16A | 400V | G1/4" or G1/2" Female | N.C. |
LF18-2 | 2.0 | 8.0 | 1.0-3.0 | 3.8-5.0 | 16A | 400V | G1/4" or G1/2" Female | N.C. |
LF18-2 | 3.0 | 11.0 | 1.4-4.0 | 5.6-7.0 | 16A | 400V | G1/4" or G1/2" Female | N.C. |
LF18-3 | 4.0 | 16.0 | 1.8-4.5 | 8.0-10.0 | 16A | 400V | G1/4" or G1/2" Female | N.C. |
Approval: TUV CE, CCC
Optional application: 3-Port connection; Other pipe fitting connection;Conversion: 1 Bar = 14.5 PSI