Square D QO 20-Amp 3-Pole Main Circuit Breaker

Learn about general NEC 2020 updates, contact your local building inspector for code adoptions and details. Designed to protect against overloads and short-circuits. Quickly identify tripped breakers with our Visi-Trip indicator. Compatible with Square D QO 3 phase electrical panels with 3 spaces. Limited lifetime warranty. It is 240 VAC rated. It has 10,000 AIR. ANSI certified and UL Listed.