The ARRI Electronic AC Ballasts are the most reliable HMI ballasts available. With active and stable lamp current regulation, ARRI EBs can increase lamp life up to 20% and increase luminous efficiency by at least 5%. In addition, the ARRI EB operates in flicker free mode for off speed shooting or can switch to low noise mode to reduce audible noise from the lamp or igniter.
With more than 20 years experience devoted to the design and manufacture of Electronic Ballasts, ARRI provides the most stable and reliable technology available. Easy serviceability, a large spare parts inventory and a world-wide service network minimizes 'downtime'.
In addition to individual 'stand-alone' ballasts from 125W to 18kW, ARRI provides rack-mounted ballast technology. Multi-Function, Event and 'Boost' Ballasts are available for film location and very high speed industrial and scientific applications.
Constant lamp power and colour temperature over the lifetime of the lamp
Possibility to dim the light between 50 and 100%
Automatic switch-over for 115V~ and 230V~ power supplies
Low noise switch - noise reduction in the luminary
Active Line Filter - power factor correction
Line over-voltage protection
Protection from overheating
Less weight and size compared to magnetic ballasts
At least 5% greater light intensity compared to magnetic ballasts
At least 20% longer bulb life compared to magnetic ballasts
Solid construction, including outside heatsinks as part of housing and a bumper at the operator control panel
Special mechanical design for quick opening of the EB in case of service maintenance
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