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    jankypromoter's Avatar
    jankypromoter Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Jan 20, 2010, 05:40 PM
    Does Square D manufacture 3 pole 225 amp QO or QOB type circuit breakers?
    I currently have an NQ-type Square D panelboard with a 400 A main breaker. I need to get ahold of 3 pole 225 amp circuit breakers for an upcoming project. I need the circuit breakers to be either QO or QOB type (plug-on or bolt-on). I need to know if these are manufactured, and if so I would like to know where I might be able to order them.
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
    		  
    #2

    Jan 20, 2010, 05:44 PM

    Where are you located?
    The first place I would try is an authorized Square D dealer supply house.
    jankypromoter's Avatar
    jankypromoter Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Jan 20, 2010, 08:45 PM
    Quote Originally Posted by stanfortyman View Post
    Where are you located?
    The first place I would try is an authorized Square D dealer supply house.
    I am Currently in South Korea, so stateside assistance is difficult to come by here. The best I can do is order off a website.
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
    Uber Member
    		  
    #4

    Jan 21, 2010, 03:36 AM
    Looking at the catalog for QO breakers, found at Square D Products - Schneider Electric United States

    http://static.schneider-electric.us/...CT9801R108.pdf

    You will see that QO and QOB does not come in a 225 amp frame or trip.
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #5

    Jan 21, 2010, 05:55 AM

    Here is the manual for the NQ panelboard. http://static.schneider-electric.us/...1640CT0801.pdf
    .
    Breakers are restricted to 125 A

    Sub feed lugs are field installable though.
    johnmprince's Avatar
    johnmprince Posts: 56, Reputation: 4
    Junior Member
    		  
    #6

    Jan 21, 2010, 12:07 PM

    Largest is QOB3150VH 3 pole 150 amp. This takes up six spaces and should cost about $1,100. Yikes!
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