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The three pole QO type breaker is labeled at 240V only. Is there a three pole QO breaker available that is labeled at 240/120V, similar to the markings on a QO two pole breaker?

The three pole QO breaker is marked for 240V, but can also be used on 120V loads if necessary. However, there is no three pole QO breaker available specifically marked at 240/120V.

CTA-ID : 2034317
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