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What is the V0 flame rating per UL 94 for the QOU?

All QOU Low Amp and High Amp frames use a UL recognized material (BMC 605) which has a flame class V-0.
This does NOT apply to all QO and QOB breakers. Some QO low amp breakers (10-30A) use BMC5436 case material with a flame class HB.


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