J3068 three-phase AC charging offers 50 kW alternative to DC for depot fleets
By Eve
A feature published in October 2026 highlights the J3068 standard, which enables three-phase AC charging at up to 50 kW using a common 480-volt, 63-amp implementation. The article argues that medium and heavy-duty EV fleets with overnight depot dwell times can avoid the higher costs and utility upgrade delays associated with DC fast charging by deploying J3068 AC infrastructure instead. Traditional North American AC charging via J1772 and J3400/NACS delivers only 10 to 15 kW, making DC the default for commercial vehicles, but J3068 fills the gap without requiring transformers or extended utility lead times.
Why it matters
Fleet depot operators and CPOs can reduce capital expenditure and accelerate site commissioning by specifying J3068 AC equipment where duty cycles permit slower charging, potentially unlocking more sites without costly utility upgrades. The standard offers a middle ground between low-power Level 2 and expensive DC infrastructure, directly affecting procurement decisions for medium and heavy-duty fleet electrification projects.
Source
- Original title
- “50 kW without a DC charger: Why EV fleets should take another look at AC charging”
- Published
- 15 October 2026
- Updated
- 16 October 2026
In this story
- Topic
- EV Charging
- Place
- Global
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