Dwyer Sales Department: 1-201-419-6111 ext. 26 for Sales Group  |  dwyer@nciweb.com


THIS PRODUCT HAS BEEN DISCONTINUED.  PLEASE CONTACT US FOR THE REPLACEMENT OPTIONS.
 

Dwyer Series A1N Low Cost OEM Pressure Switch

5 Amp Rating, Field Adjustable Set Points, Buna-N Diaphragm

Low cost and compact, the Series A1N Pressure Switch is a UL-recognized component control for water, oil, and non-combustible gas service with an electrical rating of 5 amperes at 125/250 VAC. The Series A1N control is available in field adjustable operating ranges from as low as 1.5 to 4.5 psig (10.3 to 31.0 kPa) up to 41 to 100 psig (283 to 690 kPa). A low temperature option of -20 to 180°F (-29 to 82°C) is available.

See Dimensions

SPECIFICATIONS
Wetted Materials: Zinc chamber and Buna-N diaphragm.
Temperature Limits: 0 to 180°F (-18 to 82°C). Low temperature models: -20 to 180°F (-29 to 82°C).
Pressure Limit: 200 psig (13.8 bar).
Enclosure Rating: None.
Switch Type: SPDT snap switch.
Electrical Rating: 5 A @ 125/250 VAC, 1/10 HP @ 125/250 VAC.
Electrical Connections: .11 x .02 quick connect tabs.
Process Connection: 1/8" male NPT.
Mounting Orientation: Within 20° of vertical.
Set Point Adjustment: Slotted screw.
Weight: 6 oz (.17 kg).
Deadband: See model chart.
 
Popular Models:
Model
Number
Range, PSIG Range, kPa Typical Deadband in psig (kPa) at min./max.
 A1N-11  1.5-4.5  10-31  .35/.65 (2.4/4.5)
 A1N-21  4.5-15  31-103  .65/.90 (4.5/6.2)
 A1N-31  15-41  103-283  1/1.7 (6.9/11.7)
 A1N-41  41-100  283-690  3.7/4.5 (25.5/31)
 
Popular Low Temperature Models:
Model
Number
Range, PSIG Range, kPa Typical Deadband in psig (kPa) at min./max.
 A1N-12  2.0-4.5  13.8-31  .55/.60 (3.8/4.1)
 A1N-22  4.5-15  31-103  .75/1.0 (5.2/6.9)
 A1N-32  15-41  103-283  1.4/1.6 (9.7/11)
 A1N-42  41-100  283-690  4.8/6.0 (33/41)