Shop Anfield SPA/SPF Low Pressure Switches
The Series SPA (Field Adjustable) / SPF (Factory Preset) Low Pressure Snap Action Switch is a compact, cost-effective pressure switch designed for low-pressure hydraulic, pneumatic, and water applications. Featuring a high-quality snap-action micro switch, it is field adjustable with an Allen screw and offers optional IP67-rated flying lead options for increased protection in harsh environments. With a wide temperature range, durable materials including lead-free brass and stainless steel, and a mechanical life expectancy of 1 million cycles, this switch is ideal for applications such as pneumatic system control, low-pressure filter monitoring, car washes, and gate control. Its robust design ensures reliable performance and long-lasting service, with a repeatability of +/- 2% and a maximum overpressure rating of 350 PSI.
Electrical:
Switch Type:
Protection:
Media Temperature Range:
Ambient Temperature Range:
Mechanical Life Expectancy:
Diaphragm Material:
Housing Material:
Maximum Overpressure:
Repeatability:
Differential:
View the Catalog:
View the Collection:
Standard: 5 A [12/24 VDC, 125 VAC] or 3A [250 VAC], Optional: 10A or Gold Contact
Snap Action
DIN 43650A (18 mm): IP65 Spades: IP00 Flying Lead: IP64 Flying Lead with CA/CS: IP67
Nitrile: -20°F to 180°F; Viton: 23°F to 248°F; HNBR: -20°F to 248°F; EPDM:-20°F to 248°F
-40°F to 180°F
1,000,000 Cycles @ 75 PSI (5.2 BAR)
Standard: Nitrile; Optional: Viton, EPDM, HNBR
Brass (Optional Stainless Steel)
350 PSI (24 BAR)
+/- 2% of full set point range at 20°C (68°F)
6 – 20% of setting
Click HERE to view the SPA/SPF Catalog
Click HERE to view the entire SPA/SPF Collection
SPA/SPF with Flying Leads
SPA/SPF with DIN Connector
Shop Anfield SPA/SPF Low Pressure Switches
Click on the model number in the chart below to view that pressure switch. More options available upon request!
| Product SKU ▼ | pressure range ▼ | Thread Option ▼ | Switch Type ▼ | Electrical Termination ▼ | Lead Time ▼ | Price ▼ |
|---|---|---|---|---|---|---|
| SPA-1-2M-C-FL | 3-7psi | 0.125 (1/8") NPT Male | SPDT (Single Pole Double Throw, Normally Open and Normally Closed) | Flying Lead | 4-5 Weeks | $26.99 |
| SPA-1-2M-C-HC | 3-7psi | 0.125 (1/8") NPT Male | SPDT (Single Pole Double Throw, Normally Open and Normally Closed) | DIN 43650A | 4-5 Weeks | $37.99 |
| SPA-1-4M-C-FL | 3-7psi | 0.25 (1/4") NPT Male | SPDT (Single Pole Double Throw, Normally Open and Normally Closed) | Flying Lead | 4-5 Weeks | $26.99 |
| SPA-1-4M-C-HC | 3-7psi | 0.25 (1/4") NPT Male | SPDT (Single Pole Double Throw, Normally Open and Normally Closed) | DIN 43650A | 4-5 Weeks | $37.99 |
| SPA-2-2M-C-FL | 5-30psi | 0.125 (1/8") NPT Male | SPDT (Single Pole Double Throw, Normally Open and Normally Closed) | Flying Lead | 4-5 Weeks | $26.99 |
| SPA-2-2M-C-HC | 5-30psi | 0.125 (1/8") NPT Male | SPDT (Single Pole Double Throw, Normally Open and Normally Closed) | DIN 43650A | 4-5 Weeks | $37.99 |
| SPA-2-4M-C-FL | 5-30psi | 0.25 (1/4") NPT Male | SPDT (Single Pole Double Throw, Normally Open and Normally Closed) | Flying Lead | 4-5 Weeks | $26.99 |
| SPA-2-4M-C-HC | 5-30psi | 0.25 (1/4") NPT Male | SPDT (Single Pole Double Throw, Normally Open and Normally Closed) | DIN 43650A | 4-5 Weeks | $37.99 |
| SPA-3-2M-C-FL | 25-150psi | 0.125 (1/8") NPT Male | SPDT (Single Pole Double Throw, Normally Open and Normally Closed) | Flying Lead | 4-5 Weeks | $26.99 |
| SPA-3-2M-C-HC | 25-150psi | 0.125 (1/8") NPT Male | SPDT (Single Pole Double Throw, Normally Open and Normally Closed) | DIN 43650A | 4-5 Weeks | $37.99 |
| SPA-3-4M-C-FL | 25-150psi | 0.25 (1/4") NPT Male | SPDT (Single Pole Double Throw, Normally Open and Normally Closed) | Flying Lead | 4-5 Weeks | $26.99 |
| SPA-3-4M-C-HC | 25-150psi | 0.25 (1/4") NPT Male | SPDT (Single Pole Double Throw, Normally Open and Normally Closed) | DIN 43650A | 4-5 Weeks | $37.99 |
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