The DC Distribution Box (DCDB) is an essential component in any solar PV system, providing a safe and organized pathway for DC power from solar PV strings to the inverter.
This 4-in/4-out DCDB is specifically designed for 31–40 kW rooftop or ground-mounted solar plants, ensuring reliable overcurrent and surge protection. Built with premium-quality 1000V DC SPDs and DC fuses, this unit guarantees safety, durability, and compliance with industry standards.
DC SPD – 1000V (2 Nos.)
Surge protection against lightning strikes and transient overvoltages.
Type 2 SPD designed for solar PV systems, ensuring long-term protection.
DC Fuse – 20A, 1000V (4 Nos.)
Individual string protection to prevent damage from overcurrent.
Isolates faulty strings, ensuring other strings remain operational.
Terminal Blocks / MC4 Connectors (Optional)
Provides secure and convenient connections for incoming and outgoing DC cables.
Heavy-Duty Enclosure
Compact 280 × 280 mm weatherproof box.
Rust-proof, powder-coated finish suitable for outdoor environments.
IP65-rated for dust and water protection.
4 Solar Inputs → DC Fuses (20A, 1000V) →
DC SPDs (2 Nos.) for surge protection →
4 Safe Outputs to the solar inverter.
