Dependable and consistent this impregnated, HID-Basic copper ballast from Philips Lighting that is for use with ITS 250 Watt CDM, CDO, MH, SON and HPI lamps. This Mk4 electromagnetic gear offers improved thermal management, resulting in a cooler ballast and comes equipped with screw terminal blocks for ease of installation. Featuring End of Lamp Life protection as standard it also boasts minimal watt loss. This ballast is for outdoor applications and horticulture lighting solutions and requires an external semi-parallel ignitor (not for SON-I lamps).
for Philips HID-Basic Semi-parallel BSN 250 K302-A2-ITS Ballast