
Our mini size 20kA 3P+N GDT AC SPD offers compact full-system protection for three-phase AC networks with moderate surge exposure. As a professional manufacturer and OEM/ODM factory, we serve wholesalers and distributors with bulk buy, in bulk, and wholesale supply options. This model uses Neon GDT technology, providing strong surge handling performance, low leakage, and excellent long-term durability.
Made with PVC/PA66/PBT housing, it resists heat, mechanical stress, and electrical wear. The 3P+N configuration ensures that all three phases plus neutral receive equal protection, suitable for building distribution cabinets, industrial machines, automatic control systems, and small commercial transformers. The mini size design is perfect for limited-space environments such as control boxes and compact distribution boards.
Manufactured according to IEC 61643-11:2011 / EN 61643-11:2022 and certified with CE & TUV, the device offers internationally recognized safety and reliability. Our factory supports OEM customization for surge ratings, casing materials, colors, and brand labeling. For distributors seeking reliable and space-saving surge protection, this model is a dependable solution.







