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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