A reconfigurable zone shut-down control system usable in an enclosure is provided, the system including: a field controller disposable within the enclosure; a control panel electrically connected to the field controller and disposable on the enclosure; a differential pressure switch electrically connected to the field controller; gas detectors electrically connected to the field controller; and a plurality of device controllers electrically connected to the field controller, wherein the plurality of device controllers includes a fresh air blower controller, a welding machine controller, an air compressor controller, or a gas torch controller.