30 amp Pressure Switch options

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Jdhughen

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I'm changing over a Sprinkler Timer / Pump relay time controlled system to a CSV/Pressure Tank/ pressure Switch water on demand system. I'm having an issue locating a 40/60 Pressure Switch with contacts rated for 30 amps @ 240v which I need for my 5 hp pump. Can anyone give me the part / brand / number for same?
OR
Since the pump is currently connected to a 30 amp pump relay with 24vac coil, could I just use a regular 10 amp Square D pressure switch in a 24vac circuit with the existing pump relay ? (I have a 24vac source)

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Joel
 

Valveman

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Even a heavy duty pressure switch is not rated for more than 3HP. 5HP and larger need a relay of some kind. 24V will work, but they make "Deluxe" control boxes with a 240V relay already inside.
 
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