Factory Price Square D A1B380 – 80A 3 Pole Molded Case Circuit Breaker

Serving older commercial facilities, the Square D A1B380 is an 80A, 3-pole molded case circuit breaker. It provides fixed thermal-magnetic (LI) trip functions to protect 240VAC circuits. This long-body breaker installs into legacy Square D NA1B panelboards using a secure bolt-on style. It accepts 4-1/0 AWG wire. For modern upgrades, this unit is replaced by the QOB380 (requires a retrofit kit). Rated at 10kAIC, it includes a Visi-Trip indicator.