Square D Pressure Switch 30-50 psi

Item # 521002 | Square D Part # 9013FSG2J21 | UPC Code 785901077213 | UNSPSC Code 40151500 | Catalog Page #505
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Product Overview

Pressure switches are used to control electrically driven water pumps, suitable for all types of pumps; jets, submersible, reciprocating, etc. Pressure switches are needed for rural water systems that rely on well to supply their water. Water is pumped from the well or other water source to the pressure tank and as the tank fills the air in the tank becomes pressurized. When the pre-set pressure is reached, the pressure switch contacts open to stop the pump. When water is used, the pressure in the pressure tank fall and as it reached the pre-set cut in pressure of the switch the contacts close, starting the cycle over. These pressure switches are easily adjusted by following instruction inside the switch cover.

  • Standard duty
  • NEMA type 1 indoor enclosure
  • 2 pole, rated 1-1/2 HP at 115 Vac, 2HP at 230 VAC
  • Pressure Connection: 1/4 in. NPSF, pressure setting 30-50
  • Adjustable cut in/out: cut out range 20-65 psig


Brand Compatibility
Manufacturer Warranty
1 Year from date of purchase from BII
Product Depth (in.)
Product Height (in.)
Product Weight (lb.)
Product Width (in.)


1 Year from date of purchase from BII

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