This ballast (original no. 0.45.025.01) is used in several Berson UV systems and is suitable for driving UV lamps rated at 38 W and 42 W. It is matched to the 220-230 V, 50 Hz supply and provides a stable power feed and correct operation of the UV lamp. The ballast is constructed for reliable performance in demanding environments and can be used both for replacement and for new installations. Key benefits: Fits 38 W and 42 W UV lamps. Voltage: 220-230 V, frequency: 50 Hz. Replaces original no. 0.45.025 / 8904V004. Stabilizes lamp operation and extends service life. Suitable for several Berson UV models. Please contact us if you are unsure whether this ballast suits your UV system.