The CS618003 / 620.16.065-FD-RB Fire Damper Switch Control Box is a robust and highly reliable control unit engineered for the safe operation of industrial and marine fire damper systems. Designed for clear and immediate operation, the front panel is equipped with a black OPEN pushbutton, a high-visibility red CLOSE indicator lamp, and a durable metallic SWITCH pushbutton. The internal components are protected by a heavy-duty enclosed housing that is firmly secured with four corner screws. For safe and organized wiring, the enclosure features two bottom-mounted cable glands for strain-relieved cable entry. Internally, the unit provides a comprehensive wiring diagram alongside a clearly marked terminal block (terminals 1-11) and dedicated N/L power connections, ensuring streamlined integration into your facility’s open/close control circuits.