Systems & Services (Power Controls) is a manufacturer and exporter of CLS Panel, which stands for Color Light Signal Panel. Among various usages, its most common use is in railways. Its arrangement is such as it meets the requirements of all three sources of 240V a.c 50Hz power supply. The panel supports with delivering a provision for automatic changeover which creates a dependable source of supply for installations related to color light signaling. For best working of CLS Panel or Color Light Signal Panel, it is important the main source of electricity supply should be a local one such as that of an Electricity Board.