diaphragm pressure switch / adjustable piston / stainless steel / IP65
PMM series ELETTROTEC s.r.l.



  • Technology:

    diaphragm, adjustable piston

  • Other characteristics:

    stainless steel, IP65, IP54

  • Process temperature:

    Min.: -40 °C (-40 °F)

    Max.: 140 °C (284 °F)

  • Pressure range:

    Min.: 0.1 bar (1.45 psi)

    Max.: 600 bar (8,702.26 psi)


The PMM is a Diaphragm or Piston Adjustable Pressure Switch with a rate of 0.5(0.2) A or 48V ac/dc. The switch can have pressure ranges of 0.10-1.0 bar, 0.15-2.0 bar, 2-10 bar, 10-20 bar, 20-50 bar, 50-80 bar, 50-150 bar, 100-250 bar and 50-400 bar. It can have maximum pressures of 80, 150, 300, 400, and 600 bar, depending on the model. Its body is made of brass, tropical steel, 303 stainless steel and 316 stainless steel.

The version with terminals has IP 00 degree of protection while the version with CAP3 has IP 65 degree of protection. The body size is equivalent to 24 AF with a maximum height of 61 mm. The taper threads are G1/8 in standard version or G1/4 M10x1 while the parallel threads are M12x1.5 G1/4.