HPS/MH:35W,50W,70W,100W,150W,200W,250W,320W,400W,575W, ... and CE HID HPS Digital Electronic Ballast for 150W High Pressure Sodium Lamp Voltage input range: ... of short circuit: Available Protection of open circuit: Available Protection of ignition failure: Available Protection of thermal: Available Protection of end of ... º C Safety and regulation: IEC61347 EMC: EN55015 150W HID ballast for Street lighting