Allen-Bradley 816-COV4 Overload Relay

Allen-Bradley 816-COV4 Overload Relay is a size-2, NEMA Open-type overload relay from Allen-Bradley’s 816 family, designed to provide motor overload protection in Series K starter circuits. Marketed as a solid-state overload/relay, the 816-COV4 mounts as a form 1RP in the starter assembly and is intended for open-type configurations. It is compatible with Allen-Bradley Series K motor starters, enabling protection against overload conditions in typical 50/60 Hz motor applications. The device carries a 600 VAC maximum voltage rating, aligning with the 816 family’s general electrical expectations, and its form factor is described as NEMA Open, size 2, form 1RP (Series K). As of recent listings, the 816-COV4 is shown as discontinued by the manufacturer, so availability may rely on surplus or replacement stock.