The ABB E16DU18.9 is a compact electronic overload relay designed to provide reliable overload and phase-failure protection for three-phase motor circuits. It is self-powered (no external supply required) and combines advanced electronic sensing with adjustable trip characteristics for precise motor protection. With a wide current setting range and selectable trip class, this model adapts to various motor sizes and industrial applications. The relay includes auxiliary contacts for signaling and is suitable for use with compatible ABB contactor frames in control panels and motor starter assemblies.
