PTG keeps investing in the R&D on SPD technology,application innovation,This new compact combined Type 1 SPD is designed in accordance with IEC standard,tested by 10,350 us waveform (Iimp: 25 kA L-N,100 kA N-PE),with 5 poles width only,It’s a unique design in the industry,Model name:PE 260-25W1-317 patented technologies adopted,