A system comprising: a contactor driver circuit having an overcurrent status monitor; and logic connected to the overcurrent status monitor to perform at least one of: drive contactor actuation based on economizer failure status; and/or signal failure of the economizer; wherein the contactor driver circuit includes a coil driver close command line, and wherein the logic includes an economizer failure status coil driver command line that is OR'ed with the coil driver close command line; wherein the economizer failure status line is operatively connected to the overcurrent status monitor; wherein the coil driver close command line is connected to a falling edge delay circuit configured to delay after a contactor command is removed to keep the contactor driver drive circuit active for a predetermined amount of time in an event that an economizer failure is detected; characterised in that the falling edge delay circuit is connected to an AND logic gate together with an enable line configured to enable or disable the logic, and with an overcurrent status monitor output configured to detect economizer failures, wherein the AND logic gate has an output that is OR'ed with the driver command line. a contactor driver circuit having an overcurrent status monitor; and logic connected to the overcurrent status monitor to perform at least one of: drive contactor actuation based on economizer failure status; and/or signal failure of the economizer; wherein the contactor driver circuit includes a coil driver close command line, and wherein the logic includes an economizer failure status coil driver command line that is OR'ed with the coil driver close command line; wherein the economizer failure status line is operatively connected to the overcurrent status monitor; wherein the coil driver close command line is connected to a falling edge delay circuit configured to delay after a contactor command is removed to keep the contactor driver drive circuit active for a predetermined amount of time in an event that an economizer failure is detected; characterised in that the falling edge delay circuit is connected to an AND logic gate together with an enable line configured to enable or disable the logic, and with an overcurrent status monitor output configured to detect economizer failures, wherein the AND logic gate has an output that is OR'ed with the driver command line. drive contactor actuation based on economizer failure status; and/or signal failure of the economizer; wherein the contactor driver circuit includes a coil driver close command line, and wherein the logic includes an economizer failure status coil driver command line that is OR'ed with the coil driver close command line; wherein the economizer failure status line is operatively connected to the overcurrent status monitor; wherein the coil driver close command line is connected to a falling edge delay circuit configured to delay after a contactor command is removed to keep the contactor driver drive circuit active for a predetermined amount of time in an event that an economizer failure is detected; characterised in that the falling edge delay circuit is connected to an AND logic gate together with an enable line configured to enable or disable the logic, and with an overcurrent status monitor output configured to detect economizer failures, wherein the AND logic gate has an output that is OR'ed with the driver command line.