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Square D PKSB1QOBF is a load center accessory designed for main breaker back-fed applications. This product is essential for ensuring the proper functioning of QO load centers. It provides a safe and reliable means to connect and manage electrical circuits.
This yellow service entrance barrier is for QO single phase back-fed main breaker applications.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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