A circuit for dynamically increasing a drop-out voltage of an electromechanical automatic transfer switch, ATS, into a brownout voltage range, the circuit comprising: a first input; a relay comprising: a first coil connected to the first input; and a first, normally-open auxiliary contact in magnetic communication with the first coil, the first coil having a pick-up voltage, a drop-out voltage, and a brownout voltage, the drop-out voltage less than the brownout voltage, the brownout voltage range comprising the input voltage range between the brownout voltage and the drop-out voltage, wherein the first, normally-open auxiliary contact is closed when an input voltage applied to the first coil is above the pick-up voltage; the circuit further comprising: a first resistor connected serially to the first, normally-open auxiliary contact; and a first transformer having: a primary winding connected to the first resistor; and a secondary winding connected to the first coil, wherein the first, normally-open auxiliary contact is closed when the input voltage is above the pick-up voltage, wherein an operating voltage across the first coil is reduced an amount by an induced secondary voltage across the secondary winding when the first, normally-open auxiliary contact is closed, such that the ATS drops out in the brownout voltage range. a first input; a relay comprising: a first coil connected to the first input; and a first, normally-open auxiliary contact in magnetic communication with the first coil, the first coil having a pick-up voltage, a drop-out voltage, and a brownout voltage, the drop-out voltage less than the brownout voltage, the brownout voltage range comprising the input voltage range between the brownout voltage and the drop-out voltage, wherein the first, normally-open auxiliary contact is closed when an input voltage applied to the first coil is above the pick-up voltage; the circuit further comprising: a first coil connected to the first input; and a first, normally-open auxiliary contact in magnetic communication with the first coil, the first coil having a pick-up voltage, a drop-out voltage, and a brownout voltage, the drop-out voltage less than the brownout voltage, the brownout voltage range comprising the input voltage range between the brownout voltage and the drop-out voltage, wherein the first, normally-open auxiliary contact is closed when an input voltage applied to the first coil is above the pick-up voltage; the circuit further comprising: a first resistor connected serially to the first, normally-open auxiliary contact; and a first transformer having: a primary winding connected to the first resistor; and a secondary winding connected to the first coil, wherein the first, normally-open auxiliary contact is closed when the input voltage is above the pick-up voltage, wherein an operating voltage across the first coil is reduced an amount by an induced secondary voltage across the secondary winding when the first, normally-open auxiliary contact is closed, such that the ATS drops out in the brownout voltage range. a primary winding connected to the first resistor; and a secondary winding connected to the first coil, wherein the first, normally-open auxiliary contact is closed when the input voltage is above the pick-up voltage, wherein an operating voltage across the first coil is reduced an amount by an induced secondary voltage across the secondary winding when the first, normally-open auxiliary contact is closed, such that the ATS drops out in the brownout voltage range.