This ballast is an original replacement for the Berson B410 UV system and provides stable power supply to the UV lamp. Designed for reliable ignition and even running, it supports lamp service life and helps maintain UV output over time. Please get in touch if you are unsure whether this ballast fits your UV system. Model: 3510503 / 0.45.029.01. Compatible with B410. Product group: Ballasts. Sales unit: pcs.