Low Cost Dwyer Series A1PS/A1VS Economical Pressure Switch

Dwyer Series A1PS/A1VS Economical Pressure Switch 

Model Chart:

                                           

Model Number	Description
A1PS-14	Economical pressure switch, set point range 1.5-3.5 psi (10-24 kPa), ±0.15 psi (1 kPa) repeatability, 0.5-1.7 psi (3-11 kPa) deadband.
A1PS-24	Economical pressure switch, set point range 3-40 psi (21-276 kPa), ±1.0 psi (7 kPa) repeatability, 2-5 psi (14-34 kPa) deadband.
A1PS-34	Economical pressure switch, set point range 30-150 psi (207-1034 kPa), ±5.0 psi (34 kPa) repeatability, 5-30 psi (34-207 kPa) deadband.
A1PS-44	Economical pressure switch, set point range 100-500 psi (689-3445 kPa), ±20.0 psi (138 kPa) repeatability, 30-120 psi (207-827 kPa) deadband.

 

Specifications

• Service:Compatible liquids or gases.

• Wetted Materials:Diaphragm: Buna-N; Body with Fitting: Zinc alloy, chromate finish.

• Temperature Limits:-31 to 185°F (-35 to 85°C).

• Pressure Limits:600 psig.

• Vacuum Limits:29.9" Hg (vacuum and compound models only).

• Switch Type:SPDT snap action.

• Electrical Ratings:15 A (resistive) @ 250 VAC, 1/2 HP @ 250 VAC.

• Electrical Connections:Three screw terminals.

• Process Connection:1/4" male NPT.

• Setpoint:Field adjustable via knurled screw cap.

• Cycling:Not to exceed 1 Hz.

• Sensor Element:Diaphragm.

• Weight:7.4 oz (209 g).

• Agency Approvals:UL.