Square D 9013FHG49J59X

Square D

Pressure Switch, 135-175PSI, 1Port, Unload

9013FHG49J59X 500570
Average Rating: 5
Read Reviews (2) Write a Review
$41.44+ 6 Business Day Shipping $7.15


ItemPressure Switch
TypeAir Compressor
Factory On/Off Setting (PSI)135 to 175
Pressure Range (PSI)60 to 200
Differential Pressure (PSI)40
Burst Pressure (PSI)200
Number of Ports1
Port Type1-Port 1/4" NPT (Male)
Unloader1/4" Compression
Actuation TypeDiaphragm
Contact TypeDPST
HP @ 1 Phase - 120V1-1/2
HP @ 1 Phase - 230V2
HP @ 3 Phase - 230V3
HP @ 3 Phase - 460V1
EnclosureNEMA 1
Temp. Range (F)-22 to 257
Standards UL/CSA
UPC 094705005705
Weight 0.890000


Pressure Switch, Air Compressor, Standard Action, Factory On/Off Set 135 to 175 PSI, Pressure Range 60 to 200 PSI, Fixed Differential, Differential Pressure 40 PSI, Burst Pressure 200 PSI, Port Type 1-Port 1/4 In NPT (Male), 1/4 In Compression Unloader, Diaphragm Actuation Type, Single/Three Phase, DPST Contact Type, 10 Amps, NEMA 1 Enclosure, Temp Range -22 to 257 F, Standards UL/CSA

Pumptrol Air Pressure Switches Fixed Differential
  • Control electrically driven air compressors. Unloader models feature a small valve that opens at shutoff, releasing air pressure from the compressor head. Temp. range: -22 to 257 F.
  • UL Listed and CSA Certified.
  • 2-pole, HP rated Diaphragm actuated Contacts open on pressure rise NEMA 1 enclosure

Customer Reviews

Average Product Rating: 5
based on 2 reviews

Replacement Square D Pressure Switch, Unload

Friday, September 28, 2012

The product is an exact replacement for one smashed on a compressor - if it works as well as it's predecessor I will be very happy. Not tried yet.

That it was still available - my compressor is 10 years old.

Nothing, just keep doing what you're doing.

Submitted by Jeffrey M

Square D

Tuesday, November 15, 2011

Perfect replacement for my old one.

Exact match

Submitted by greg
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