ELT VSI 7/22-3T-D
Ballast for high pressure sodium vapour lamps
~ Ballasts for built-in use.
~ Vacuum impregnated with polyester resin.
~ Thermal class tw=130°C
~ Available with 2.5 mm2 , 4 mm2 , and 10 mm2 screw connection for powers of up to 100W, between 150 and 600W, and 1000W respectively.
~ Also manufactured with incorporated thermal protection.