VR-SS electronic overload relay is suitable for AC 50/60Hz,voltage ... current up to 60A. VR-SS electronic overload relay is suitable for AC 50/60Hz,voltage up to ... 60A.It is used as overload and phase loss protection,independently adjustable starting and trip delay, visual current ... setting aid and trip indication.fail sae protection (N type) and electronic shear pin function,The product ...