NASON LOW PRESSURE SWITCH S M

 The tamper-resistant SM Low Pressure Switch is factory-set and capable of withstanding a maximum operating pressure of up to 250 PSI. The SM features set points from 2-120 PSI and is available in a variety of base material options, including brass, aluminum, nickel-plated, steel, 303 SS and 316 SS.

Features

  • Long-life elastomer diaphragm
  • High-quality snap action switch
  • Factory-set Available in a wide range of configurations
  • Economical
  • Models available for pneumatic and hydraulic applications
  • NEMA 4, 13

Operating Specifications

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

 

Catalog low pressure switch 

 

Factory preset
Available in a wide range of configurations
Economical
Pneumatic and hydraulic applications
NEMA 4, 13

Dimensions

How to Order
Example: Part Number: SM – 2A – 95R /

/ *

See pages 15 – 17 for additional options available on this model. For custom designs and technical assistance call 800.229.4955 or visit us at www.nasonptc.com
* Defaults to Screw Terminals

Operating Specifications
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 See Order Chart Below for Options
Circuit Form SPST-NO or SPST-NC
Electrical Connection See Order Chart Below for Options
Diaphragm Material Buna N
Cycle Life 1 Million

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