Schneider Electric FA36090 I-Line Circuit Breaker

Schneider Electric's FA36090 I-Line molded-case circuit breaker is a 90‑amp, three‑pole unit in the FA family, designed for FA I‑Line panelboards and switchboards. It provides thermal-magnetic overcurrent protection with I‑Line plug‑in mounting, line-side I‑Line connection, and phase connections configured as ABC with load-side Lugs, and it accepts 14–1/0 AWG aluminum or copper conductors. Rated for up to 600 V AC and 250 V DC, the FA36090 carries an 80% continuous‑duty rating and is suited for feeders and branch circuits in 480/600 V distribution systems. Interrupting capability for this model varies by voltage, listed at 25 kA at 240 V, 18 kA at 480 V, and 14 kA at 600 V, reflecting its suitability for higher-energy industrial applications. As part of the Square D by Schneider Electric portfolio, it leverages the I‑Line style for reliable busbar connections and compatible accessories within the FA/MCCB ecosystem.