This item is obsolete , for alternative please see link below
The Osram PTi 20i is a mains voltage high frequency ballast to run: 1 x 20 Watt Metal Halide lamp
Extended terminal section enables mains looping – Screw-down cable clamps for reliable strain relief – Long reliable life at maximum permitted temperatures – Automatic safety shutdown of lamps in the event of a defect or at end of life (EoL)