NASON SM Low Pressure Switches

Product Description

NASON SM Low Pressure Switches is a tamper-resistant and highly efficient instrument that is capable of performing under a maximum operation pressure of around 250 PSI. The SM features gives user's specific set points between 2-12- PSI and is accessible with a wide range of core components that include aluminum, steel, nickel, brass, and 303/316 Stainless Steel.


Operating Specifications Low Pressure Switch SM
Set Point Range 2 — 120 PSI (.14 — 8.3 Bar)
Set Point Tolerance ±1 PSI or 5% (.07 Bar)
Maximum Operating Pressure 250 PSI (17 Bar)
Proof Pressure

750 PSI

(51 Bar)

Differential 8 — 16%
Current Rating 5 A @ 250 VAC 5 A @ 30 VDC (Resistive)
Media Connection

Standard: Brass (Optional: Aluminum, Nickel Plating,
Delrin, Zinc Plated Steel, 303 SS, 316 SS)

Circuit Form SPST-NO, SPST-NC or SPDT
Electrical Connection See Order Chart Below for Options
Diaphragm Material

Material Buna N

Cycle Life 1 Million
Operating Temperature -20°F - +220°F
Unit Weight   .13 lbs


  • Long-life elastomer diaphragm
  • High-quality snap-action switch
  • Factory preset
  • Available in a wide range of configurations
  • Economical
  • Pneumatic and hydraulic applications
  • NEMA 4, 13



  • Pneumatic and hydraulic applications



NASON SM Low Pressure Switches Data Sheet


(1 review) Write a Review
  • 5
    Will buy more

    Posted by Mitchell G. on Mar 29th 2020

    Got the job done as was promised!

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