Square D Breakers Qo Vs Homeline. The main dif between the qo and homeline is the homeline has an aluminum buss and the qo has a tin plated copper bus. Service ratings branch circuit breakers qo circuit breaker load center qo 1 pole 2 pole qo 3 pole qo gfi 1 pole qo gfi 2 pole.
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Qo e g qo2020 are circuit breakers are designed for use in the older non class ctl qo load centers that were manufactured before the change in code. At various points in time square d has labeled tandem circuit breakers with part numbers that did not hold true to this rule. I was discussing this topic this morning with my old man and decided to go into the shop and grab a used homeline and qo breaker crack them open and find out.
Our panels at my night job hang on a colum and are open to damage by anything that hits them so we use qo since the pan is a little heavier.
Just because the wire can go on either side of the tab does not make it rated for two wires. He says qo and homeline breakers are rated for only on wire period. The homeline breakers are made to fit in most interchangeable panels such as ge bryant murray ite etc. However this is not always the case.