Exclusive Offer Zinsco QC40 – 40A 2 Pole Molded Case Circuit Breaker

Restoring older electrical systems requires precise component matching, and this 40A unit delivers exact fitment for vintage residential setups. It provides reliable thermal-magnetic protection for 240V circuits in homes utilizing older infrastructure. This plug-on component installs into original Zinsco and Sylvania load centers without modification. For modern alternatives, the UBIZ240 serves as a recognized substitute. Featuring a 10kAIC rating, it meets standard residential requirements.