SR2303AC - 120V AC Dimmer - Reverse Phase Controlled 2 Channels, 2 Times 288 Watts Per Channel With Low Voltage Control For On and Off and Smooth Dimming. Works With Any DALI
Phase-Cut Dimming
Dimming Guide - Insight Lighting
Dimming Controls - Solais Lighting
Dimmer Buyer's Guide: Dimming Technologies
LED dimmers-The difference between leading and trailing edge