Best Price ABB / General Electric THHQB2140 – 40A 2 Pole Miniature Circuit Breaker

Designed for commercial environments, this 40A Q-Line component delivers robust thermal-magnetic protection. The unit features a quick-make, quick-break mechanism for consistent operation. Installation requires a bolt-on connection into compatible GE A-Series panelboards or AQ lighting panels. It accommodates 8-3 AWG copper or aluminum wiring through standard box lugs. Rated at 22kAIC, it handles higher fault currents than standard residential models.