The ESP 240 D1 is a single-phase transformer manufactured by Furse and features a 240VA voltage rating, 50/60Hz frequency, 115/230V nominal voltages, and a 40/0.4 power rating. This is a single-phase transformer that is designed for general purpose applications such as lighting and low voltage power supplies. It is configured with a Class F insulation system, which is suitable for a wide range of climates and temperature ranges, making it a reliable and durable solution. The unit is also UL Listed and CSA Certified, which makes it suitable for use installing in a commercial, industrial, or residential space.