Square D BDA140501 PowerPact I-Line Circuit Breaker

Square D's PowerPact BDA140501 I-Line Circuit Breaker is a 50‑amp, 1‑pole molded‑case protective device designed for I‑Line mounting in Schneider Electric’s PowerPact B family. It is rated for 480Y/277 VAC and provides an 18 kA interrupting capacity at that voltage, with a thermal‑magnetic trip mechanism for coordinated overload and short‑circuit protection. Built for I‑Line installations, this breaker integrates with PowerPact B I‑Line bus systems to simplify installation in panelboards and switchgear, and is typically used to protect feeders and single‑pole branch circuits in commercial and light industrial distribution panels and industrial control panels. As part of the Square D/Schneider Electric lineup, it supports consistent trip characteristics and replacement within compatible enclosures, delivering reliable protection for 50 A circuits in 277/480 V electrical infrastructure.