
Wsd-A25 Electrical System Surge Arrester Flame Retardant Plastic Housing Lightning Protection Device. Dual-Mode Protection: Type 1+ Type 2 SPD for comprehensive lightning surge protection in low-voltage and solar systems. High Current Capacity: Impulse discharge current up to 25kA and nominal discharge current of 50kA for robust performance. Flame Retardant Housing: Constructed with UL94-V0 grade thermoplastic plastics for enhanced fire safety and durability. Fast Response Time: 100ns response time ensures immediate protection against voltage spikes and surges. Flexible Customization: Full OEM/ODM services available including logo printing, packaging, and product design customization. DIN Rail Installation: Easy 35mm DIN guide rail mounting with support for up to 4AWG wire cross-sectional area.