Schneider Electric’s FA34015 is a 3‑pole I‑Line molded‑case circuit breaker (Square D brand) designed for protecting 3‑phase, 480 V circuits with a 15 A rating and intended for plug‑on I‑Line panel installations. This thermal‑magnetic device carries an 18 kA interrupting rating at 480 V and uses AL50FA terminals, supporting 14–4 AWG copper or 12–4 AWG aluminum conductors. Dimensions are approximately 4.5 in wide by 4.13 in deep by 6 in high, and the unit is built for plug‑on I‑Line mounting in FA‑series panels to provide reliable overcurrent protection for 3‑phase 480 V distributions.
