




Dwyer Instruments A1F-O-SS-1-3 | Pressure Switch
The Series A1F Low Cost OEM Pressure Switch is constructed with precision and is inexpensive, making it perfect for OEM industrial applications. Excellent chemical compatibility with a variety of process media is guaranteed by wetted materials made of fluorocarbon and 316 SS. Pump skids and other panel mounting applications are ideal for the open case design. Polycarbonate weatherproof enclosures are inexpensive and provide a waterproof switch. Superior 15 A contacts provide true cost savings by enabling direct control of pumps or motors without the need for external relays. One of the features is a handy indication scale that makes field modification quick and simple.

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- Specifications
- Features
- Downloads
Approvals | CE, cUL, UL |
Connection | Electrical: Screw Terminals |
Connection | Process: 1/4 NPT Female, 1/2 NPT Male |
Current Rating | 15 A @ 125 VAC, 15 A @ 480 VAC, 15 A @ 250 VAC |
Gross weight | 0 lbs |
Net weight | 0.6563 lbs |
Pressure Range | psig: 8-225 Bar |
Series | Family: Dwyer Instruments Pressure Switches, A1F Series |
Series | Product: A1F |
Type | Contact: SPDT |
- 15 Direct control is possible with a contact. requiring more connections and relays, which lowers costs and increases dependability.
- Panel mounting applications are supported by the case type, and an optional weatherproof enclosure is available for usage in outdoor settings.
- Field adjustable expedites application online by cutting down on installation time.
- A greater variety of process media are supported by wetted material.
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