Square D 8536SEO1H30S is a NEMA Size 3 motor soft starter designed to start 3‑phase motors with reduced inrush and integrated overload protection. It is rated up to 50 HP and uses a 120 V AC control coil, with a maximum line voltage rating of 600 V and an adjustable overload current range of 30–90 A to match medium‑size motors. This soft‑start device is intended for installation in industrial control panels to provide controlled acceleration and motor protection for applications like pumps, fans, and conveyors.
