Zinsco Q55 – 55A 1 Pole Miniature Circuit Breaker Popular

Providing a specialized 55A rating, the Zinsco Q55 is a single-pole miniature circuit breaker designed for legacy power systems. It ensures continuous protection for specific residential loads. This component installs into classic Zinsco load centers, maintaining the original panel configuration without requiring modern adapters. It serves as an exact fit and can be substituted by UBIZ50 or UBIZ60 models. Featuring a 10kAIC rating at 120/240VAC, it incorporates standard Magnetrip technology.