ETC ERP-DIM 300W 120V Phase-Adaptive DimmerThe ETC ERP DIM is a 300 W phase adaptive dimmer accessory designed for use with the Unison Echo Relay Panel. Intended for lighting control applications that require dimming of compatible resistive or electronic loads, it provides an option for projects where panel based control and expandable zone capacity are important. Its default reverse phase operation makes it relevant for modern lighting environments using electronic load types within supported