Zinsco Q50 – 50A 1 Pole Miniature Circuit Breaker Must Have

A drop-in solution for aging infrastructure, the Zinsco Q50 delivers 50 amps of single-pole protection. It is engineered to maintain safe power distribution in older residential facilities. Designed to mount into original Zinsco panelboards, this plug-on breaker eliminates the need for complex retrofits. It is a reliable cross-reference for the UBIZ50, ensuring seamless compatibility. Delivering a 10kAIC capacity at 120/240VAC, it utilizes proven Magnetrip technology and a black handle.