Czy Twoje zabezpieczenia DC naprawdę chronią falownik? Sprawdź, zanim będzie za późno!

Many PV system owners and installers are unknowingly using DC surge protection devices that provide zero real protection to their solar inverters. In this video, Waldemar Wawer from the ZeptoBox channel explains how common installation mistakes and poorly designed SPD layouts can lead to inverter failures, even in systems that appear "well protected." 📉 Don't wait for the next thunderstorm to find out your system was vulnerable. 🎯 This video is for: Solar professionals and DIY installers Off-grid system enthusiasts Anyone using or planning to use photovoltaic (PV) systems 🔧 Topics covered: Why grounding-based SPDs often fail to protect DC inputs How varistors work and when they actually help Proper SPD configuration for DC lines Real-world voltage examples: 500V panels, 800V inverter, 600V SPD Why cheap pre-built protection boxes may be misleading 📍 Meet us at the OFFGRID 2025 Fair – June 13–14, Magdaleniec 2D, Poland 💡 Support our project and get involved: 👉 https://wsparcie.zeptobox.pl 👉 Shop for components and tools: https://sklepzeptobox.pl 📺 Subscribe to ZeptoBox for more no-nonsense, technical deep dives into energy systems, solar tech, and DIY infrastructure.