Philips Electromagnetic HID-HeavyDuty BSN semi-parallel (SON/CDO/MH/HPI)

With an impressive 15-year service life on average, these heavy duty HID ballasts are both reliable and robust. Often used for road lighting and tunnel lighting applications, their resilience provides you with peace of mind. Able to work in a variety of tough environments, this gear is suitable whether it needs to be resistant to chemical impact, withstand humid conditions, or its position means it’s at risk of impact.