Eaton / Cutler-Hammer FS320090A – 90A 3 Pole Molded Case Circuit Breaker Trending

Part of Eaton’s Series C F-Frame family, the FS320090A delivers robust overcurrent protection for commercial and industrial applications. This 3-pole, 90-amp breaker features a non-interchangeable thermal-magnetic trip unit with long-time and instantaneous functions. It installs via bolt-on mounting into Eaton Series C panelboards, switchboards, and enclosures. Rated for 22 kAIC at 240VAC, it serves as a reliable component or an exact cross-reference for the newer FD3090 substitute.