LPI Surge Filter limits the voltage differential because of a lightning induced impulse in between section and neutral and from neutral to floor. As a result delivering the two typical manner and differential (transverse) method safety.Bảo vệ đa tầng: Bộ cắt lọc sét đầu nguồn 3 pha BSF200-three/320-63A-PN-VTD-S sử dụng công