square d

  1. T

    Square D 40/60 pressure switch, oops…

    I had to replace my pressure switch for my well and was replacing with a square D 40/60. I noticed the well was cutting off near 70psi and I wanted to turn it down. Dumb me didn’t kill power and was using an adjustable wrench. The wrench made contact with the live switch and, you guessed...
  2. Clay Welborn Willingham

    Square D pressure switch problems.

    I installed a new water well submersible pump and replaced the pressure switch, and well control box as the pump came with one. My water pressure switch is a square d 40/60. The problem is the contacts keep getting arced and slag builds up. About every 3 weeks I have to take a nail file and...
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