Advance Tabco
Advance Tabco FC-1-1818-X Wall Mounted Sink 18 in x 18 in, 304
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$790.99
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SQUARE D
SQUARE D 9013FH Pressure Switch 135-175PSI 4Port Unload
Air compressor pressure switch with four 1/4-inch ports, 135-175 psi factory settings, 40 psi differential, and DPST contacts rated to 3 hp at 240 V three-phase
- TypeLight Switch
- Controls air compressors up to 175 psi cut-out
- Four 1/4 in FNPT ports simplify plumbing
- DPST contacts handle 1.5 hp at 120 V single-phase
- NEMA 1 rating suits indoor installations
- 40 psi differential keeps cycling predictable
Air Compressor Pressure Switch
The Square D 9013FH pressure switch controls air compressor motors across a 135 to 175 psi range with a 40 psi differential. It offers four ports with 1/4 inch FNPS threads and an integrated unloader valve. The DPST contact form handles single-phase loads up to 1.5 hp at 120 V and 2 hp at 240 V, plus three-phase ratings of 3 hp at 240 V and 1 hp at 480 V. NEMA 1 enclosure suits indoor installations.
Industrial Maintenance and Small Shop Use
This switch suits technicians maintaining existing compressor systems that require the 135 to 175 psi factory setting and unloader function. It is not for buyers who need adjustable cut-in and cut-out pressures outside the 60 to 200 psi range or a different port count. Builders requiring NEMA 4 or higher ingress protection should look at other enclosures. Applications demanding electronic pressure sensing instead of mechanical actuation are not a match.
Verify Compressor Compatibility
Confirm the compressor motor voltage and phase match the listed horsepower ratings before ordering. Ensure the existing plumbing uses 1/4 inch NPT connections to suit the four ports. Check that the 135 to 175 psi operating window matches the tank and system design limits. The unloader valve requires a compatible discharge line for proper operation.
Highlights
- Controls air compressors up to 175 psi cut-out
- Four 1/4 in FNPT ports simplify plumbing
- DPST contacts handle 1.5 hp at 120 V single-phase
- NEMA 1 rating suits indoor installations
- 40 psi differential keeps cycling predictable
Specifications
| Brand | Square D |
|---|---|
| Type | Light Switch |
Questions about this item
What electrical supply do I need to run the 9013FH switch at its 135/175 psi settings?
The switch is rated for 1 1/2 hp at 120 V single phase, 2 hp at 240 V single phase, 3 hp at 240 V three phase, and 1 hp at 480 V three phase, matching the factory on/off pressures of 135/175 psi.
Will the 9013FH fit the existing 1/4 inch ports on my older compressor tank?
Yes, it has four 1/4 inch FNPS ports and a 1/4 inch compression unloader connection, so it threads directly onto the same port size used on many legacy tanks.
How can I verify the 9013FH is cycling correctly after installation?
Watch the pressure gauge; the compressor should start at 135 psi and stop at 175 psi, giving the 40 psi differential built into the switch.
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