Series A1PS/A1VS Economical Pressure Switches are designed with a 15 Amp SPDT switch for direct control of pumps and motors. Available in pressure, vacuum, or compound ranges, the switches offer a field adjustable set point. Easily adjust the switch by aligning the top of the self locking adjusting nut with the desired setting indicated on the adjacent range scale. Connection is 1/4" male NPT for quick installation and can be mounted in any position.

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: 15A (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.