UBIZ280B Thick 2P 80A Zinsco Bolt-On Circuit Breaker Beefed-Up Heavy-Duty Replacement For NQB Panels ETL Listed 10,000 AIC QCB Compatible For Commercial Electrical Panels

Heavy-Duty 2-Pole 80A Zinsco Bolt-On Breaker for NQB Panels
✔️ 80A 2-pole bolt-on, ETL listed, 10,000 AIC, QCB compatible

Reliable replacement breaker for Zinsco bolt-on QCB (thick double pole) configurations. Classified for use in NQB panel boards and other Zinsco commercial panels, it’s ETL listed for safety and built to handle demanding commercial loads.

✅ 2-pole, 80A rating
✅ Bolt-on QCB style, thick double pole
✅ ETL Listed, 10,000 AIC interrupt capacity
✅ Compatible with NQB and Zinsco commercial panels

💡 What is a Zinsco bolt-on 2-pole circuit breaker used for in commercial panels?

This handy device protects circuits in heavy-duty commercial panels and is designed for Zinsco NQB and similar bolt-on configurations.

• Replacement option for Zinsco bolt-on QCB breakers in NQB panels
• Provides overcurrent protection for branch circuits in commercial systems
• ETL listed with 10,000 AIC for reliable interruption
• Designed to fit Zinsco NQB and similar commercial panel configurations

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