The LCDM Linear Dimming Control Module by Ecosense takes a 0-10V Dimming signal and a fixed line voltage input and converts it to a reverse phase dimmed output for up to 1000W with a 277V load and 450W on a 120V load. One LDCM can be used per run up to the maximum wattage. The LCDM is rated to directly mount to a junction box in a plenum space for easier installations and to meet building requirements.