BU系列压载电源用于金属卤化物灯具,全系列的高品质镇流器电源专门设计,可确保正确的操作和长寿命与功率为200至12000W的金属卤化物灯。They are characterized by high linearity and are made up of a reactor in series to the mains, a battery of power factor improving capacitors and a power relay for the remote ignition of the power supply (some models are equipped with a special type of L-C circuit). Some of them are fitted with an input autotransformer to obtain the noload voltage value required by the lamps. A main circuit breaker protects the unit against short circuits or over current phenomena. Their peculiar design guarantees a low acoustical noise, a high robustness, an easy handling and makes them particularly suitable for a wide variety of applications.