Schneider Electric's PowerPact B I-Line circuit breaker, model BGA34040Y, is a 40‑amp, three‑pole molded‑case protection device for 480Y/277 VAC three‑phase circuits. It uses a thermal‑magnetic trip mechanism and mounts on I‑Line in PowerPact B‑frame panelboards, delivering a 35 kAIC interrupting rating at 480Y/277 VAC for robust short‑circuit protection in commercial and industrial distribution applications.
