No. Most H6 P3 units are passive (no electronics). A beep indicates an optional monitoring board inside. Check the manual; a beep usually means "Ground fault detected" or "String reverse polarity."
Safely managing energy flows in mobile or remote setups. Vector Energy PV Combiner Box | Vector Energy Pv Box H6 P3
| Feature | Specification | | :--- | :--- | | | 6 Strings (PV+/PV-) | | Max Input Voltage | 1000V DC (or 1500V depending on version) | | Max Current per String | 10A - 15A (Typical) | | Max Output Current | 60A - 90A (Sum of inputs) | | Protection Rating | IP65 (Outdoor rated) | | Surge Protection | Type 3 (SPD) – 20kA / 40kA | | Breakers | 6 x DC Miniature Circuit Breakers (MCB) + 1 x Main DC Isolator | | Enclosure Material | ABS / Polycarbonate (UV Resistant) | Check the manual; a beep usually means "Ground