Square D's warranty is void when a Classified breaker is installed. A consumer information flyer from Square D includes text citing that Genuine QO circuit breakers are available only from Square D. Though circuit breakers that fit Square D QO load centers are available, Square D's flyer infor...
Uses Square D circuit breakers –offering the highest level of protection on the market Swing-up mounting bracket for easy wiring Square D, , QO, QWIK-OPEN, VISI-TITE and VISI-TRIP are registered trademarks of Square D Company.MP METER-P AK, EZ METER-P AK, SURGEBREAKER and Arc-D-tect...