High Pressure Sodium and Metal Halide Lamp Control Gear
Comparison of two BSN 70L 34 70 W SON ballasts - the left-hand one was made in Holland; the right-hand one was made in Poland. Interestingly the latter has a slightly (0.05) better power factor than the former!
BACK TO HIGH PRESSURE SODIUM AND METAL HALIDE LAMP CONTROL GEAR PAGE
BACK TO CONTROL GEAR PAGE
BACK TO INDEX PAGE
CLICK HERE TO MAKE A MONETARY DONATION
© 2002 - English Street Lights Online