Karl Dungs pressure switch

Karl Dungs Air Pressure Switch AA-A2-6-6 266938

Part Number: AA-A2-6-6 266938

Manufacturer: Karl Dungs

Brand: Karl Dungs

Air Pressure Switch 12-60″ WC, Automatic Reset

Description

$120.17

Please call (877) 560-3783 for availability.

Contact us for quantity discounts.

  • DESCRIPTION
  • SPECIFICATIONS

Dungs 266938 AA-A2-6-6 is an air pressure switch designed for automatic burner controls, featuring field-adjustable settings and available in hose or NPT threaded connections.

The AA-A2-4 versions come with hose connections, while AA-A2-6 versions have NPT threaded connections and include a test button in the lower housing. Both models offer a field-adjustable setpoint. Additionally, AA-A2-6 features a 1/4″ NPT positive connection and a 1/8″ NPT negative connection, along with a test button. AA-A4-4 models feature Die Cast Aluminum Base and 1/4″ x 1/32″ flat male terminals.

Brand: Dungs
Mfg. P/N: 266938
Approvals: UL, CSA and FM
Connections: Threaded Connection
Ratings: NEMA Type 4
Voltage/Power:

  • Silver (Ag) contact ratings: SPDT Switch 5A resistive/3A inductive @ 120 Vac
  • Electrical rating: DC min. 20 mA @ 24 Vdc/DC max. 1 A @ 48 Vdc
  • 1/4″ NPT positive connection, 1/8″ NPT negative connection
  • Factory setting range: 12-60″ W.C.
  • Max. operating pressure: 7 PSI (500 mbar)
  • Temperature rating: -40 Deg F to +140 Deg F (-40 Deg C to +60 Deg C)

Formerly: 217-333A