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Square D 9013 pressure switch, compact metal body, 1/4 inch port, DPST contacts

SQUARE D

SQUARE D 9013GHG2J58 Pressure Switch DPST 1 Port 125/150 psi

SKU CH-C7RT-PZKNR

Controls water or air pressure for compressors and pumps with a 125/150 psi factory setting and DPST contacts

  • TypeIndustrial Electrical Controls & Automation
  • Factory-set 125/150 psi on/off points for immediate air compressor or water pump operation
  • DPST contact form breaks both lines for safe motor control up to 5 hp three-phase
  • Adjustable 20 to 40 psi differential lets you fine-tune cut-in and cut-out spread
  • Single 1/4 in FNPS port simplifies plumbing on standard compressor or pump fittings
  • NEMA 1 enclosure suits indoor installations with standard environmental protection

Pressure Switch for Air and Water Systems

The Telemecanique Sensors 9013GHG2J58 is a DPST pressure switch designed for air compressors and water pumps. It features a single 1/4 inch FNPT port and a factory on/off setting of 125/150 psi. The switch operates with a standard action and carries a NEMA 1 rating for general indoor use. It suits installers needing a direct replacement for industrial pressure control.

Sustained Operation and Electrical Ratings

Under continuous cycling the switch manages a differential range of 20 to 40 psi within an overall range of 40 to 200 psi. It is rated for 2 hp at 120 V single phase and 3 hp at 240 V single phase. Three phase ratings reach 5 hp at both 240 V and 480 V. No unloader valve is included so the compressor head sees full back pressure on restart.

Deciding Specification

The factory preset cut-in and cut-out pressures of 125 and 150 psi determine whether this switch matches the system design. Buyers needing a different pressure band or an adjustable unloader must select another model. The fixed 20 to 40 psi differential also limits fine tuning for narrow pressure windows.

Highlights

  • Factory-set 125/150 psi on/off points for immediate air compressor or water pump operation
  • DPST contact form breaks both lines for safe motor control up to 5 hp three-phase
  • Adjustable 20 to 40 psi differential lets you fine-tune cut-in and cut-out spread
  • Single 1/4 in FNPS port simplifies plumbing on standard compressor or pump fittings
  • NEMA 1 enclosure suits indoor installations with standard environmental protection

Specifications

BrandTELEMECANIQUE SENSORS
TypeIndustrial Electrical Controls & Automation

Questions about this item

How much does the pressure differential of 20 to 40 psi affect compressor cycling during all-day operation?

The switch uses a 20 to 40 psi differential between the 125 psi cut-in and 150 psi cut-out settings, so the compressor runs less often than with a narrower spread.

What pipe fitting must I already have to connect the 1/4 in FNPS port?

You need a male 1/4 in NPS thread on your air or water line to mate with the female port on the switch.

Will the DPST contacts handle the 3 hp rating of my existing 240 V three-phase motor?

Yes, the contacts are rated for 3 hp at 240 V three-phase, matching that motor size.

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