FeaturesContinuous, flicker free dimming from 100% to 5%Compatible with energy Savr Node™ with EcoSystem® devices, GRAFIK Eye® QS with EcoSystem® connection, PowPak™ dimming module with EcoSystem® connection and Quantum® systems, allowing for integration into an existing/planned EcoSystem® lighting control systemSupports standard 3-wire line voltage phase control technologyProgrammed rapid start design ensures full rated lamp life while dimming and cyclingLamps turn on to any dimmed level without flashing to full brightnessLow harmonic distortion throughout the entire dimming rangeFrequency of operation ensures that ballast does not interfere with infrared devicesInrush current limiting circuitry eliminates circuit breaker tripping, switch arcing and relay failureUltra-quiet operationProtected from miswires of any input power to control lead or from lamp leads to each other and/or groundEnd of lamp life protection circuitry ensures safe operation throughout entire lamp lifeNon-volatile memory restores all ballast settings after power failure100% compatible with all Lutron® 3-wire fluorescent controls and EcoSystem® digital controls100% performance tested at factoryFor T4 4-pin triple tube