Siemens 141-0574


Airflow Switch, Auto Reset, SPDT

141-0574 522881
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ItemAirflow Switch
TypeAuto Reset
Differential (In. WC)0.06 to 0.6
Switch TypeSPDT
Pressure Setting Range (In. WC)0.05 to 1.0
Electrical Rating15 Amps @ 120 to 277
Sample Line Connector1/4" O.D.
Height (In.)6-1/2
Width (In.)4-3/4
Depth (In.)3-3/4
Mounting Holes O.C. (In.)3-7/8
Mounting LocationVertical
Operating Temp. Range (F)-40 to 180
Application Requiring Positive Proof Of Airflow Or To Detect High Differential Pressures Associated With Dirty Air Filters Or Similar Maintenance Alarms Not Requiring Safety Lock Of The Fan
FeaturesTwo Connectors
Agency ComplianceUL, CSA
Includes Nuts And Ferrules
Weight 1.090000


Airflow Switch, Auto Reset, Differential 0.06 To 0.6 WC, SPDT Switch Type, Pressure Setting Range 0.05 To 1.0 In WC, Electrical Rating 15 Amps @ 120 To 277, Sample Line Connector 1/4 In O.D., Height 6 1/2 In, Width 4 3/4 In, Depth 3 3/4 In, Mounting Holes O.C. 3 7/8 In, Operating Temp Range -40 To 180 F, Features Two Connectors, UL, CSA, Includes Nuts And Ferrules

Gold Contact
  • Pressure-Sensing Switches
  • For computer environments, direct digital control, or where low-ampere currents are wired.
  • Sense positive, negative, or differential air pressure. Negative pressure rating same as positive.
  • UL Listed, CE and CSA Certified.
  • Mount with diaphragm in vertical plane
  • Pressure-Sensing Switches and Probes

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