Become a TFP Supporter Pool Math Forum Rules Pool School
Results 1 to 4 of 4

Thread: GFCI breaker sizing for 230V pump

  1. Back To Top    #1

    Join Date
    Feb 2008
    Location
    Milford, CT
    Posts
    333

    GFCI breaker sizing for 230V pump

    Looking at a MaxFlo XL 2 speed pump to replace my aging Northstar. Currently have 115V at the pump but the wiring is there to convert to 230V. Obviously Ill need a new breaker, and since its 230V I dont think there is any other way to get GFCI protection on the line other than the breaker itself.

    I have a Cutler Hammer type CH panel. I notice the smallest GFCI breaker they make is 20A, yet Hayward electrical specs say the pump will use a max of 6.1A@230V.

    Is 20A acceptable? And judging by the price and availability, would 30A suffice as well? I cant find the 20A version but the 30A seems widely available.

    Thanks in advance.

    -Chris
    22K IG vinyl, .5HP Northstar pump, S244T filter, AutoPilot Digital w/SC-48 cell

  2. Back To Top    #2

    Join Date
    Jul 2014
    Location
    Hope Mills, NC
    Posts
    556

    Re: GFCI breaker sizing for 230V pump

    The breaker is only there to protect the wire. The rating of the wire is the size breaker you need.
    16 x 32 17500 gallons
    Vinyl in-ground
    Hayward 250# Sand Filter
    1 HP Pump
    Hayward SWG

  3. Back To Top    #3
    n240sxguy's Avatar
    Join Date
    May 2014
    Location
    Benton, KY
    Posts
    1,800

    Re: GFCI breaker sizing for 230V pump

    ^^^^^
    You size the breaker based on the wire size. What size is the wire?


    30K gallon IG vinyl. 1.5HP 2-speed Waterway Mustang pump. 600 lb sand filter. Polaris 280. Circupool SI-60+. TF-100

  4. Back To Top    #4

    Join Date
    Feb 2008
    Location
    Milford, CT
    Posts
    333

    Re: GFCI breaker sizing for 230V pump

    Quote Originally Posted by n240sxguy View Post
    ^^^^^
    You size the breaker based on the wire size. What size is the wire?


    Sent from my iPhone using Tapatalk
    Gotcha.

    12AWG, so 20A max. They make a 15A GFCI breaker too, apparently, so Ill get whichever I can find.

    Problem solved.

    Thanks everyone.
    22K IG vinyl, .5HP Northstar pump, S244T filter, AutoPilot Digital w/SC-48 cell

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •