Air compressor pressure switch
PS-A30 is a pressure-operated
electric switch for use in
regulating the tank pressure
between two preset values on
electrically driven air
compressors. It is available with
an unloader valve, which
prevents compressors from
starting under load, and an On-
Off button for manual cut off
the compressor. A four port
manifold style is available which
provides a means for easy
mounting of valves and gauges. Specification: MODEL PS-A30-1H PS-A30-
4H
Medium Air Air
Operating Pressure Range
0.5~1.2Mpa 0.5~1.2Mpa
Differential Pressure 0.2Mpa
0.2Mpa
Factory Setting 0.6~0.8 Mpa
0.6~0.8 Mpa
Operating Temperature Range
-30~55C° C -30~55° C
Electrical Rating 240V, 20A, 50Hz 240V, 20A, 50Hz
Contact Arrangement Normal
On (NC) Normal On (NC) Port one port four ports
Pipe Fittings G1/4, G3/8 or
1/4, 3/8 NPT Female G1/4, G3/8 or 1/4, 3/8 NPT Female
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