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Dungs 277328 Air Pressure Switch (AA-A1-0-3) 0.4 to 4" W.C. 1.5 psi

Dungs 277328 Air Pressure Switch (AA-A1-0-3) 0.4 to 4" W.C. 1.5 psi
Images for general purposes only. Actual may be different than depicted.
Dungs 277328 Air Pressure Switch (AA-A1-0-3) 0.4 to 4" W.C. 1.5 psi Dungs 277328 (216-752A) Air Pressure Switch AA-A1-0-3 0.4 to 4" W.C. 1.5 psi Dungs 277328 (216-752A) Air Pressure Switch AA-A1-0-3 0.4 to 4" W.C. 1.5 psi Dimensions

Dungs 277328 Air Pressure Switch (AA-A1-0-3) 0.4 to 4" W.C. 1.5 psi

SKU: 277328
Tariff HS Code: 8536.50.9055
Rating:
Quantity Price Stock
3
Usually Ships 2 - 4 Weeks
$46.81     /ea
3
0
$0.00
0
$0.00
0
277328

The Dungs 277328 (AA-A1-0-3), formerly 216-752A, is an air pressure switch without a cover.  It has a 0.4 to 4" W.C. factory setting range and 1.5 psi maximum pressure capacity.  CSA Certified, FM Approved, and UL Recognized.

Materials:

  • Polycarbonate Switch
  • Polycarbonate Housing
  • NBR-Based Rubber Diaphragm
  • Silver (Ag) Switching Contact


The switch monitors firing operations and can function without auxiliary power.  This device makes or breaks a circuit when the medium pressure shifts relative to its set point.

The 277328 is designed for automatic burner controls.  Suitable for air or non-aggressive gases and not for natural gas, propane, butane, and combustible gases.

Pressure Connection 0.16" (4 mm) Diameter Hose Connection
Electrical Connection 1/4 x 1/32” (6.3 x 0.8 mm) Flat Male Terminals
Switch SPDT
Electrical Ratings 24 to 240 VAC; 12 to 48 VDC
Ambient Temperature Range -40 to 104°F (-40 to 40°C)
Maximum Operating Pressure 1.5 psi (103 mbar)
Factory Setting Range 0.4 to 4” W.C.
Switching Contact Material Silver (Ag)
Housing and Switch Material Polycarbonate
Diaphragm Material NBR-Based Rubber

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