HV Surge Arrester upto 216kV for substation protection from lightening and switching overvoltages. Bowthorpe EMP pioneered the development of polymeric composite housed surge arresters in early 1980’s and since 1986, has a proven service experience across the globe, operating in world’s toughest environments. Bowthorpe surge arresters provide active over-voltage protection, reducing system outages and protecting expensive terminal equipment.