SML - SENSITIVE AIR PRESSURE SWITCH

$56.00

Columbia Controls Inc.

Only 10 left!

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THE SML AIR PRESSURE SWITCH FEATURES A SENSITIVE DIAPHRAGM TO DETECT CHANGES IN AIR PRESSURE. EASY TO INSTALL AND RELIABLE, THIS SWITCH IS AVAILABLE IN TWO RANGE SCALES AND WITH AN OPTIONAL NEON LIGHT INDICATOR.

AVAILABLE MODELS:

All Models are CSA Approved, some models are also FM Approved where noted.

  • SML 1210003 - .05”-1” WC – 1/8” NPT Connection (8221210003)
  • SML 1210034 - .05”-1” WC – Compression Fittings (8221210034)
  • SML 1210022 - .05”-9” WC – Compression Fittings (8221210022)
  • SML 4212004 - .05”-9” WC – CSA & FM Approved – Compression Fittings (8224212004)
  • SML 4212021 - .05”-9” WC – CSA & FM Approved – Compression Fittings with Plastic Tube (8224212021)
  • SML 4212025 - .05”-9” WC – CSA & FM Approved – 1 Compression fitting and 1-14 UNS adaptor fitting (8224212025)

  

FEATURES AND SPECIFICATIONS:

  • Automatic Reset
  • Sensitive diaphragm
  • Snap-action electrical switch, S.P.D.T. rated at 10 amps
  • Electrical Ratings:
    • 10A @ 125 VAC.; 8A @ 250 VAC.; 7A @ 277 VAC.;
    • 1/8HP @ 125 VAC, 1/4HP @ 250 VAC
    • Pilot Duty, 125VA @ 125/277 VAC
  • Max. Surge Pressure: 20" W.C.
  • Max. Ambient Temperature: 170°F (77°C)
  • Min. Ambient Temperature: -40°F (-40°C)
  • Available Pressure ranges:
    • 0.05" to 1" WC (1-25mm) SML 8221210034
    • 0.05" to 9" WC (1-230mm) SML 8224212021
  • Connection types:
    • 1/4" Hose Barb
    • 1/8" NPT
    • 1/4" Compression Fitting

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