This is a new Philips HF-Regulator 2 HF-R 1 26-42W PL-T/C EII made in Poland. It is designed for regulating the power supply for lighting systems, specifically for 1-10V control. The internal reference number for this product is 960.0003.06. The HF-Regulator is suitable for use with PL-T and PL-C lamps with power ratings ranging from 26 to 42W.