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Square D 9013 pressure switch, compact grey enclosure with 3/8 inch port and adjustment screws

SQUARE D

SQUARE D 9013GHG3J62X Pressure Switch DPST 140/175 psi

SKU CH-9H99-54FZ2

Controls air-compressor or water-pump pressure at 140/175 psi with a DPST contact rated for up to 5 hp three-phase

  • TypeIndustrial Electrical Controls & Automation
  • DPST contact handles two circuits simultaneously
  • Factory set at 140/175 psi for immediate operation
  • Adjustable differential from 20 to 40 psi
  • Rated for up to 5 hp on three-phase 240 V and 480 V
  • NEMA 1 enclosure suits indoor installations

Pressure Switch for Air and Water Systems

The Square D 9013GHG3J62X is a DPST pressure switch designed to control air compressors and water pumps in industrial and commercial settings. It manages a factory on/off setting of 140/175 psi with an adjustable differential of 20 to 40 psi across a range of 40 to 200 psi. The unit carries a NEMA 1 rating for general indoor use.

Replaces Worn Switches on Existing Pumps

This switch suits maintenance teams swapping out failed units on equipment that already uses a 3/8 in FNPS port and a 1/4 in compression unloader. The jump is worth it when the old switch can no longer hold its cut-in or cut-out pressures, causing short-cycling or failure to start. It supports motors up to 2 hp at 120 V single-phase, 3 hp at 240 V single-phase, and 5 hp at 240 V or 480 V three-phase.

Straightforward Wiring with Common Pitfalls

Installation involves connecting the 3/8 in FNPS port to the tank or line and wiring the DPST contacts to the motor circuit. What usually goes wrong is neglecting to verify the differential adjustment after mounting, which can leave the pump cycling at 20 psi instead of the intended spread. Confirm the unloader valve vents correctly on shutdown to prevent head-pressure restarts.

Highlights

  • DPST contact handles two circuits simultaneously
  • Factory set at 140/175 psi for immediate operation
  • Adjustable differential from 20 to 40 psi
  • Rated for up to 5 hp on three-phase 240 V and 480 V
  • NEMA 1 enclosure suits indoor installations

Specifications

BrandTELEMECANIQUE SENSORS
TypeIndustrial Electrical Controls & Automation

Questions about this item

What size port does the 9013GHG3J62X use for connection?

The switch has one 3/8 in FNPS port for air or water line attachment.

How do I wire the DPST contacts on this pressure switch?

Connect each circuit to its own pole; the DPST action opens both lines simultaneously when pressure reaches 175 psi.

How often should the unloader valve on this switch be inspected?

Check the 1/4 in compression unloader at each tank drain interval to confirm it vents properly between cycles.

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