This ARRI 6-12K Electronic HMI Ballast with ALF is fitted with the appropriate sockets for Mole Richardson HMI fixtures. It operates on 190-250 VAC. Its Active Line Filter (ALF) system provides a higher Power Factor resulting in more efficient power use. This is accomplished by shifting the voltage and current waveforms in phase and minimizing harmonics and spikes. ALF also minimizes the current carried back on the neutral leg of the power systems.
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