Electronic ballast powertronic intelligent pti i for hid bulbs osrampti i simple practical with strain relief expanded clamp range allows for the looping of the mains screw fixed cable clamp for reliable strain relief screw less plug clamps for fast precise cable assembly separated strain relief eases the pre confectioning of the devices with proven cable plug systems also suitable for small ceiling cavities through small casing dimensionsgeneral notes supply voltage 220 v 10 240