Schneider Electric's Square D 8502SEO2 is a NEMA Type S, nonreversing, three‑pole contactor (Size 3) with a 120 V AC coil, built for switching three‑phase motors. It is rated for 90 A and 50 HP at 575 VAC, with a short‑circuit rating up to 100 kA, and offered in an open‑frame, 120 V coil configuration suitable for panel mounting and control circuits. The 8502SEO2 designation identifies the 120 V coil SEO2 family variant used for standard 3‑phase motor control applications in industrial equipment.
