Series A1F OEM Pressure Switch

Field Adjustable with Optional Weather-Proof Enclosure

Low cost and precision made, the Series A1F Low Cost OEM 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. 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

Starting at $193.00

Ordering

Grouped product items
Model	Description	Availability*	Price
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).	1-3 days*	$193.00
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).	1-2 Weeks*	$193.00
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).	1-2 Weeks*	$193.00
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).	1-2 Weeks*	$193.00

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:: 500 psig (34 bar).
Enclosure Rating:: No rating for open construction. Optional -PC 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).
Compliance:: 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

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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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Model Chart