Square D XO120 – 20A 1 Pole Miniature Circuit Breaker Popular

Engineered for residential applications, the Square D XO120 provides essential overcurrent protection for standard household circuits. This miniature plug-on breaker delivers 20 amps of capacity at 120VAC to safeguard wiring. Designed as a reliable replacement, this unit mounts seamlessly into vintage Square D and Cutler-Hammer XO series load centers. The plug-on configuration ensures a secure connection to the panel bus. This model carries a Switching Duty (SWD) classification for lighting.