As a specialized 50kA 3P+N GDT AC surge protective device supplier, we manufacture advanced SPDs for industrial three-phase systems. Our factory supports OEM, wholesalee bulk buy distribution worldwide.
O 3P+N GDT SPD combines Neon-gas discharge tubes e MOV ZnO components for rapid and stable surge handling. It’s suitable for switchboards, PV combiner boxese data center power lines.
Com graphite (C) materials, IP65-rated casing, and DIN-rail installation, it offers durability and easy maintenance.
All models are CE approved with a 2-year warranty, available for OEM customization e in bulk supply. We are your trusted factory partner for industrial-grade lightning and surge protection.







