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Dwyer Series A1F Low Cost OEM Pressure Switch

$ 64.00

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Product Description

Field Installable Weatherproof Enclosure

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 15 A 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.

Product Applications

  • OEM
  • Compressors
  • Motor control
  • Process equipment
  • Pump control

Models

Model Description
A1F-O-SS-1-1 Pressure switch, range 2-15 psig (0.14-1.03 bar), min. deadband 2 psig (0.14 bar), max. deadband 3 psig (0.21 bar).
A1F-O-SS-1-2 Pressure switch, range 4-75 psig (0.28-5.17 bar), min. deadband 4 psig (0.27 bar), max. deadband 15 psig (1.0 bar).
A1F-O-SS-1-3 Pressure switch, range 8-225 psig (0.55-15.5 bar), min. deadband 8 psig (0.55 bar), max. deadband 25 psig (1.7 bar).
A1F-O-SS-1-4 Pressure switch, range 16-450 psig (1.1-31.0 bar), min. deadband 15 psig (1.0 bar), max. deadband 50 psig (3.5 bar).

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 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, cUL, UL.

Features

  • 15 A contact allows direct control reducing costs and reliability by having to introduce additional contacts and relays
  • Case style allows use for panel mounting application with optional weather-proof enclosure for use in outdoor environments
  • Field adjustable reduces installation time bring application on-line faster
  • Wetted material provides support for wider range of process media

Options

  • Weatherproof Enclosure. Optional enclosure factory installed. To order change “O” to “PC”. Example: A1F-PC-SS-1-1.

Literature

Manuals

A1F

Catalog Pages

Series A1F Catalog Page

Approvals

Drawings

Model Chart

EXAMPLE A1F O SS 1 1 STW Series A1F-O-SS-1-1-STW Pressure Switch, open housing, 316SS pressure chamber, one SPDT switch, range 2-15 psi, with SS tag.
SERIES A1F           Low Cost OEM Pressure Switch
HOUSING
ENCLOSURE		   O
PC		         Open
Polycarbonate with Conduit Entry
PRESSURE
CHAMBER
MATERIAL		     SS       316 Stainless Steel
SWITCH       1     One SPDT Switch
RANGE         1
2
3
4		   2-15 psi
4-75 psi
8-225 psi
16-450 psi
OPTIONS           PRESET
STW		 Preset
Stainless Steel Tag Wired

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