Square D FAB36020 is a 20 A, 600 V, 3‑pole molded‑case circuit breaker in the I‑Line family, designed for use in Square D I‑Line panelboards to protect three‑phase distribution circuits. It employs thermal‑magnetic protection and carries a 14 kA interrupting rating at 600 V, enabling reliable interruption of overloads and short circuits in commercial and light industrial installations. This FAB36020 unit fits within the FA/FAB I‑Line lineup and is intended for three‑phase circuits up to 20 A, delivering proven protection for downstream equipment and control panels.
