Philips SI 52 220-240V 50/60Hz at the lowest prices! Fast shipping. The more you buy, the more you save! Contact us! Philips SI 52 220-240V 50/60Hz Specifications The Philips SI 52 220-240V 50/60Hz is a high voltage digital ignitor that is used specifically for HPI lamps of 1000W Where Is The Philips SI 52 220-240V 50/60HzUsed? The Philips SI 52 220-240V 50/60Hz can be used in many places. It is mainly used in outdoor lighting. The most popular application in road and tunnel lighting.