Our mini size 20kA 4P GDT AC surge protection device is specially designed for compact three-phase AC systems requiring reliable surge suppression at moderate surge levels. As an experienced SPD manufacturer, supplier, and OEM/ODM factory, we support wholesale, bulk buy, and in bulk orders for integrators and distributors worldwide. Utilizing a Neon gas (Ne) GDT, this model provides excellent isolation performance, low residual current, and long service life.
Compliant with IEC 61643-11:2011 / EN 61643-11:2022, and certified with CE & TUV, the device meets international performance and safety standards. As a factory specializing in SPD production, we provide OEM customization for specifications, housing, branding, and packaging. This mini size model is recommended for wholesalers and distributors seeking cost-effective yet reliable GDT-based surge protection.
Applicable scenarios / Application industries
The device is ideal for small distribution boxes, HVAC control systems, and compact industrial panels.
The body is made of PVC/PA66/PBT, offering excellent thermal resistance, flame retardancy, and structural strength. The 4-pole configuration protects L1 + L2 + L3 + N, making it suitable for three-phase four-wire networks in commercial and industrial applications. Despite the mini size, it delivers a stable 20kA surge capacity, ideal for systems with moderate surge exposure.
