Dwyer ADPS-05-2-N Adjustable Differential Pressure Switch

Dwyer ADPS-05-2-N Adjustable Differential Pressure Switch

Product Details:


Product Description

Dwyer ADPS-05-2-N Adjustable Differential Pressure Switch

Adjustable differential pressure switch, set point rang e 0.80 to 4.00" w.c., M20 connection.


  • Available with settings from 0.08" w.c. (20 Pa) up to 16" w.c. (4000 Pa)
  • The silicone diaphragm and PA 6.6 body make the series ADPS ideal for use with air and other noncombustible gases
  • The compact size, adjustment knob and low cost make the ADPS the perfect choice for HVAC applications


  • Service: Air and non-combustible, compatible gases
  • Temperature Limits: Process and ambient temperature from -4 to 185°F (-20 to 85°C)
  • Pressure Limits: Max. Operating Pressure: 40" w.c. (10 kPa) for all pressure ranges
  • Switch Type: Single-pole double-throw (SPDT)
  • Electrical Rating: Max., 1.5A/250 VAC, max. switching rate: 6 cycles/min.; Gold Contact Option: 0.4 A/ 250 VAC
  • Electrical Connections: Push-on screw terminals. M20x1.5 with cable strain relief or optional 1/2" NPT connection
  • Process Connections: 5/16" (7.94 mm) outside diameter tubing, 1/4" (6.0 mm) inside diameter tubing
  • Enclosure Rating: NEMA 13, IP54
  • Mounting Orientation: Vertically, with pressure connections pointing downwards
  • Mechanical Working Life: Over 106 switching operations
  • Weight: 5.6 oz (160 g)


  • Monitoring air filters and ventilators
  • Monitoring industrial cooling-air circuits
  • Overheating protection for fan heaters
  • Monitoring flows in ventilation ducts
  • Controlling air and fire-protection dampers
  • Frost protection for heat exchanges

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