... cases for over 20 years.Material:surge protective device, SPD, Box-type SPD, surge arrester 220V AC Imax 40kA Can be customized ... specification for your original product.Function:surge protective device, SPD, Box-type SPD, surge arrester 220V AC Imax 40kA D Type Box- ... Supply Capacity:We can produce 3000pcs surge protective device, SPD, Box-type SPD, surge arrester 220V AC Imax 40kA with high quality ...