The NES-1K8TxxxBC series is a 1800W, 3 channels, constant-current, programmable and IP66 LED driver that operates from 198-457 Vac input with excellent power factor. The dimming control supports two-way communication via DALI-2 and complies with D4i, furthermore it incorporates DMX-RDM dimming. The high efficiency of these drivers and compact metal case enables them to run cooler, significantly improving reliability and extending product life. To ensure trouble-free operation, protection is provided against input surge, input under voltage, input over voltage, output over voltage, short circuit, and over temperature.