描述

DC Photovoltaic Cables from RRH are designed to carry direct current (DC) from solar panels to inverters in solar power systems, where voltage is higher (up to 1500V DC) than in AC circuits. These cables minimize power loss with high-purity copper conductors and low-dielectric-insulation (XLPE), ensuring efficient energy transfer in both residential and utility-scale solar installations. Constructed to withstand harsh outdoor conditions, they feature UV-resistant, flame-retardant sheaths that resist aging, moisture, and temperature extremes. RRH offers DC photovoltaic cables in various gauges, with options for armored variants to protect against rodent damage and mechanical stress in underground or exposed installations. The cables are color-coded (typically black or red) for easy identification, simplifying installation and maintenance. Whether connecting a string of residential solar panels to an inverter or linking thousands of panels in a solar farm, these cables ensure reliable, high-efficiency DC power transmission, optimizing solar system performance.

Product Advantage

Improved Durability with top quality manufactured insulation ensuring full compliance with industry standards, designed to withstand extreme temperatures, moisture and physical harms

RRH Cable we have the capability to manufacture grade A 99.9% pure copper precisely stranded in the insulators for the best conductivity and efficiency

Thanks to our expert craftsmanship, we provide high-quality cables that minimize the need for frequent maintenance or replacements, significantly reducing long-term operational costs.

Technical Parameters

Parameter                                                                          Specification
Rated Voltage                                                                     1500 V DC
Conductor Material                                            Tinned Copper (Stranded)
Insulation Material                           XLPO (Cross-linked Polyolefin), UV-resistant, Halogen-Free, Flame Retardant
Sheath Material                                        XLPO, LSZH (Low Smoke Zero Halogen)
Core Type                                               Single-core (standard), Multi-core available on request
Temperature Rating                                 -40°C to +90°C (operating), up to +120°C (short-circuit)

Cross Section (mm²)           AWG              Conductor Ø (mm)            Outer Ø  (mm)                 Approx. Ampacity @ 60°C
1.5 mm²                                16 AWG                 ~1.4 mm                          ~4.8 - 5.2 mm                                 23 A
2.5 mm²                               14 AWG                  ~1.8 mm                          ~5.5 - 6.1 mm                                 30 A
4 mm²                                  12 AWG                  ~2.2 mm                         ~6.0 - 6.8 mm                                  41 A
6 mm²                                  10 AWG                 ~2.6 mm                           ~6.5 - 7.3 mm                                  55 A
10 mm²                                 8 AWG                   ~3.6 mm                          ~7.4 - 8.4 mm                                  75 A
16 mm²                                 6 AWG                   ~4.5 mm                        ~9.0 - 10.0 mm                                100 A
25 mm²                                 4 AWG                    ~5.6 mm                      ~10.5 - 11.5 mm                                 135 A
35 mm²                                 2 AWG                   ~6.7 mm                        ~12.5 - 13.5 mm                                170 A
50 mm²                                 1 AWG                   ~7.9 mm                         ~14.0 - 15.0 mm                              200 A
70 mm²                            2/0 AWG                    ~9.5 mm                        ~15.5 - 17.0 mm                               250 A
95 mm²                            3/0 AWG                   ~11.0 mm                        ~18.0 - 19.5 mm                              290 A
120 mm²                          4/0 AWG                   ~12.5 mm                       ~20.0 - 22.0 mm                              320 A
150 mm²                             --                              ~13.8 mm                        ~22.5 - 24.0 mm                              350 A
185 mm²                             --                               ~15.5 mm                        ~25.0 - 27.0 mm                             400 A
240 mm²                            --                                ~17.5 mm                       ~27.0 - 30.0 mm                              450 A

Product Uses
Panel-to-panel connections, linking multiple solar panels in series

Panel to combiner box, caries DC power from panel strings to a central junction box

Combiner box to inverter(DC side) transmits the collected DC power to the inverter before conversion to AC

Product Operate Guide
Apply cable base on its insulation property

Avoid bends

Always de-energize the system before working on cables

Proper PPE duing operation

Consideration
Considerable Feature                                                                                 Why It Matters
UV Resistance                                                     Outdoor installation requires protection from sun.
Halogen-Free / Low Smoke                                                         Safer in case of fire.
Tinned Copper Conductor                                Corrosion resistance, especially in humid areas.
XLPE / EPR Insulation                                                 High thermal and electrical resistance.
Double Insulation                                                 Enhanced durability and mechanical protection.
Flexible (Stranded Core)                                        For easy routing on rooftops or in tight areas.