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Products»Dwyer»Pressure Switches Single Pressure
 
Low Cost OEM Pressure Switch (Series A1F & A1F w/A-447)
Manufacturer: Dwyer
 
 

Low cost and precision made, the A1F Pressure Switch is ideal for OEM industrial applications. Wetted materials of 316 SS and fluorocarbon ensure great chemical compatibility with a wide range of process media. The open case style is perfect for panel mounting applications like pump skids. Field installable weatherproof enclosure is available in polycarbonate offering a low cost weatherproof switch. Superior 15A contact allows direct control of motors or pumps without the use of external relays, a true cost savings. Features include a convenient indicating scale for quick and easy field adjustment.
Low Cost OEM Pressure Switch
 
Specifications
Service: Compatible liquids and gases.
Wetted Materials: Pressure Chamber: 316 SS; Diaphragm: Fluorocarbon.
Temperature Limit: -40 to 175°F (-40 to 80°C).
Pressure Limits: 750 psig (51 bar).
Enclosure Rating: No rating for open construction. Installed properly within an optional A-447 enclosure meets NEMA 4X standards.
Switch Type: SPDT snap switch.
Electrical Rating: 15 A @ 120/240/480 VAC, 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC.
Electrical Connection: Screw terminals.
Process Connection: 1/4" female NPT and 1/2" male NPT.
Mounting Orientation: Within 20° of vertical.
Set Point Adjustment: Knurled screw cap with indicating scale.
Deadband: Fixed, see products on Order page for minimum and maximum deadband.
Weight: 10.5 oz (297 g).
Agency Approvals: CE, UL.
 


ACCESSORIES:

  • A-447 - Weatherproof enclosure, easy field installation, meets NEMA 4X, polycarbonate cover with 1/2" female NPT conduit entry.



 

 

 
 Resources
PDF File – Requires Adobe Reader Data Sheet
PDF File – Requires Adobe Reader Service Manual
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