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The combiner box is a essential wiring device in photovoltaic power generation systems designed to ensure the orderly connection and confluence of PV modules. It facilitates easy circuit disconnection during maintenance and inspection, significantly reducing the scope of power outages in the event of system failure.
Users can connect a specific number of photovoltaic cells with identical specifications in series to form a tandem, then parallel these tandems into the combiner box. After converging, the power flows through the controller, DC distribution cabinet, solar inverter, and AC distribution cabinet to form a complete grid-connected system.
| Type | GDT-PV6/1 | GDT-PV8/1 | GDT-PV12/1 | GDT-PV16/1 | GDT-PV24/1 |
|---|---|---|---|---|---|
| Electric Parameters | |||||
| Max DC Voltage | 1000V DC | ||||
| Max Input Strings | 6 | 8 | 12 | 16 | 24 |
| Max Output Current | 125A | 125A | 200A | 250A | 400A |
| Lightning Protection | |||||
| Max PV Voltage | 1000V DC | ||||
| Discharge Current | 40kA (8/20 µs) | ||||
| Protection Level | 4.0kV | ||||



Our solutions provide comprehensive protection including isolation protection, overload protection, short circuit protection, surge grounding protection, and over-under voltage protection to ensure maximum system safety.


Our company utilizes professional lightning protection electrical laboratories to ensure product stability. This includes Impact Test Rooms (8/20, 10/350 waveforms), SPD safety labs, and environmental labs for salt spray and temperature testing.
Advanced automated production lines integrate gluing, soldering, laser marking, and data detection to create a traceable quality control process that meets rigorous industrial standards.


Ran Solar