Product Description
XO240
These old-style Square D breakers were also manufactured or sold by the Original Cutler-Hammer Company back then. Two pole 40 Amp 120V. Highest amperage made was 50A.The amp range for this Square D xo breaker replacement is 15A thru 50A in two pole form, 50 being the highest. Remember, Bob Vila from This Old House? That's where you might find these old Square D breakers.