Square D By Schneider Electric FAL34100 Circuit Breaker

FAL34100 is a 480 V rated, 100 A, 3‑pole molded‑case circuit breaker from Square D by Schneider Electric, part of the FA/LA family with I‑Line construction for 3‑phase distribution panels. It provides thermal‑magnetic protection with long‑time and instantaneous trip functions and offers a short‑circuit interrupting capacity of 18 kA at 480 V AC, with line and load lug terminations standard for MCCB installations. Some versions include mechanical interlock with an auxiliary switch (e.g., FAL34100WB1212). Schneider Electric lists this reference as End of Commercialization on December 8, 2020, with End of Service on December 31, 2020, and notes replacement options such as the PowerPact B 100 A, 3‑pole unit rated for 600Y/347 VAC and 14 kA, designated BDL36100.