3-Phase air Pressure Switch
Product Description
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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.
   
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MODEL
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Unloader Valve
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Min ON (Cut-In)(Bar)
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Max Off
(Cut-Out) (Bar)
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Differential
(Bar)
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Factory Setting (Bar)
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Electrical Rating
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Pipe Fittings
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Contact Arrangement |
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Current
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Voltage
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LF18-1
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0
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2.0
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8.0
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1.0-3.0
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3.8-5.0
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16A
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400V
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G1/4" or G1/2" Femle
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N.C.
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LF18-1U
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1
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2.0
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8.0
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1.2-3.5
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3.6-5.0
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16A
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400V
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G1/4" or G1/2" Femle
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N.C.
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LF18-2
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0
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3.0
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11.0
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1.2-3.0
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5.5-7.0
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16A
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400V
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G1/4" or G1/2" Femle
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N.C.
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LF18-2U
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1
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3.0
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11.0
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1.4-4.0
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5.3-7.0
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16A
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400V
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G1/4" or G1/2" Femle
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N.C.
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LF18-3
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0
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4.0
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16.0
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1.4-4.0
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8.0-10.0
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16A
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400V
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G1/4" or G1/2" Femle
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N.C.
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LF18-3U
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1
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4.0
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16.0
|
2.0-4.4
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7.8-10.0
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16A
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400V
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G1/4" or G1/2" Femle
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N.C.
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