Fast Shipping Zinsco Q20 – 20A 1 Pole Miniature Circuit Breaker

Engineered for older residential applications, the Zinsco Q20 delivers 20 amps of thermal-magnetic protection. This single-pole component utilizes classic Magnetrip technology to safeguard household wiring. Designed specifically for vintage Zinsco load centers, it mounts securely without aftermarket adapters. This exact fitment is often cross-referenced with the UBIZ20 substitute model. The recognizable red color-coded handle allows for quick visual identification of the 20A rating.