Square D XO240 – 40A 2 Pole Miniature Circuit Breaker Reduced Price

Built to handle demanding residential loads, this 40-amp, two-pole breaker is frequently used for electric ranges, large air conditioners, and subpanels. It provides robust overcurrent protection for 240V applications. Designed as a replacement component, it installs into classic Square D and Cutler-Hammer XO load centers. The unit features box lug terminals that accept 8-4 AWG wiring. Rated at 10 kAIC, the XO240 features a common trip function to disconnect both poles simultaneously.