Above-Ground Trunk Bus
DC Trax™ Power Link Assembly
Above-Ground Aluminium Trunk Bus System
A revolutionary above-ground aluminium trunk bus system combining cable assemblies, combiner boxes, and fusing into one integrated unit. Eliminates combiner boxes, cable trays, trenching, and field crimping. Every PLA is factory manufactured with patented under mold/over mold process that chemically bonds and hermetically seals all joints.
1500 VDC
670A Max Trunk
Eliminates Combiner Boxes
Free-Air Rated
7-Year Warranty
Zoom
1500V
Rated Voltage
670A
Max Trunk Current
400A
Max I (PLA)
400mm²
Max Trunk Cable
50°C
Max Ambient
60%
Labour Reduction
30+yr
Design Life
Cost Comparison
PLA vs. Traditional DC Cabling
| Parameter | Traditional DC Cabling | DC Trax PLA |
|---|---|---|
| Combiner Boxes | Required — multiple per array | Eliminated |
| Field Crimping | Extensive — skilled labour required | None — plug & play |
| Cable Tray / Trenching | Required for underground runs | Eliminated — free air |
| Installation Time | Baseline | 40–60% reduction |
| Failure Points | Multiple junction points | Sealed factory joints |
| Current Rating | De-rated (enclosed/underground) | Full free-air ampacity |
| Quality Assurance | Depends on field workmanship | 100% factory tested |
| Voltage Rating | 1500 VDC |
| Max. Isc (Trunk) | Up to 400A |
| Max. Isc (Per String) | 20.5A |
| Max. Trunk Cable Size | 400 mm² (aluminium) |
| Number of Input Circuits | Customer specific — fully configurable |
| Max. Ambient Temperature | 50°C rated |
| Mold Process | Patented undermold/overmold — chemical bond & hermetic seal |
| UV Resistance | Compliant to UL 746C / IEC 62930 Annex E |
| Water Resistance | Immersion rated per UL 746C |
| Conductor Material | Aluminium trunk, copper string leads |
| Installation | Above-ground, free-air (strung on tracker or support structure) |
| Design Life | 30+ years |
| Warranty | 7 years standard |
| Max Trunk Current | 670A |
| Max Trunk Cable | 300 mm² Aluminium |
| Max per Mold Drop | 120A |
| Max OCPD per String | 50A |
| System Voltage | 1500VDC / 2kV Ready |
| Trunk Bus | Aluminium 380mm², Max 670A, De-rated per AS/NZS 3008.1.1 |
| Mold Drop | Factory overmolded, Up to (4) 10mm² or (6) 6mm² per drop |
| Disconnect PLA | 400A/1500V, 100% load-break rated |
| Standards Compliance | AS/NZS, UL, IEC 62930, IEC 62852 |
| De-rating Standard | AS/NZS 3008.1.1 |
| Cable Sizing | AS/NZS 5033 Cl.4 Cable Sizing |
| CCC Tables | AS/NZS 3008.1.1 CCC Tables |
| Listed | IEC 62548 |
Design Your PLA System
Custom-engineered to your tracker layout, string configuration, and module type.
EESA Typically replies in minutes
Hi there! 👋 Need a quote or product details? Share your info and our team will reply on WhatsApp shortly.