Power factor is 99% efficient.
Silent operation with built-in axial fans for cooling.
Built-in short circuit protection.
Improves lamp life.
Constant wattage output. No flickering (stroboscopic effects), resulting in perfect illumination.
Soft starting - No start-up power spikes.
Weighs significantly less than magnetic core ballasts.
Built-in fuse protection.
Two built-in fuses.
Thermal overload protection.
Sleep mode function for safety.
These ballasts are voltage specific. They are either 120 or 240. They cannot be switched from one voltage to another.
400 Watt - 2 year warranty. 1000 Watt - 1 year warranty.