
We are a leading 50kA 3 pole AC surge protective device manufacturer, producing reliable protection devices for three-phase TN-S and TT power systems. As a specialized factory, we offer OEM, wholesale, e bulk buy solutions for worldwide customers.
Designed with graphite (C) materials and IP65 sealing, it’s durable and fire-resistant. The 35mm DIN rail design ensures easy maintenance and replacement.
We provide OEM-branded SPDs and supply in bulk at factory pricing. With CE certification and a 2-year warranty, this model offers reliable and affordable protection for three-phase equipment.
Applicable scenarios / Application industries
Our 3P SPD is built with MOV ZnO e GDT (Neon gas) hybrid technology, ensuring both high surge capacity and stable insulation resistance. Ideal for industrial automation, solar systems, e power control panels, it safely discharges up to 50kA surges per phase.










