Products / Solar Panels / DCDB Panel
DCDB Panel
Combines and protects DC strings from solar panels before they reach the inverter.
A DCDB (Direct Current Distribution Board) panel manages and protects the DC power from solar panels, acting as a central junction to combine strings, route power to the inverter, and house safety devices like fuses, DC circuit breakers (MCBs/MCCBs), and Surge Protection Devices (SPDs) to prevent overcurrents, short circuits, and voltage spikes, ensuring system safety and efficiency.
Key Components
- Combines DC output from multiple solar panel strings and routes the aggregated power to the inverter
- Integrates components to safeguard panels and inverters from electrical hazards
- Provides isolators/breakers for safe manual disconnection during maintenance
Construction: typically weatherproof (IP65 rated) polycarbonate enclosure; configured based on the number of solar strings (inputs) and inverter requirements (outputs); fire-retardant, UV-protected cables. The DCDB manages the "nerve center" of a solar system, preventing expensive damage to inverters and panels.
