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What BRUSA announced about the NLG6
A technical-paper listing from the Swiss Society of Automotive Engineers (SIA), dated 4 March 2013, describes BRUSA’s NLG6 as capable of three-phase operation up to 22 kW. The page credits the paper to Katja Stengert of BRUSA and says cars from a major European manufacturer equipped with the charger were already available, while other manufacturers were evaluating it. It does not name the automaker or any vehicle model. SIA: “On-board 22 kW fast charger ‘NLG6’”
New Atlas reported on 20 September 2012 that the NLG6 was expected later that year in vehicles from a “major European car manufacturer,” also without identifying the company. New Atlas: “BRUSA develops on-board EV fast charger for three-phase current”
What three-phase onboard charging means
An onboard charger (OBC) is vehicle-integrated power electronics. When an EV is connected to an AC supply, the OBC converts that power into the form needed to charge the vehicle’s high-voltage battery. A charging station or wall unit is external equipment that supplies AC; it does not become the NLG6, and the sources do not establish the NLG6 as a consumer accessory that can be added to a car.
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Three-phase describes the AC supply the charger can use. The SIA description’s “up to 22 kW” is the NLG6’s documented maximum charging-power capability. The power actually accepted by a vehicle at a given moment can be lower: the external supply, the vehicle’s electrical configuration, battery condition, and charging limits all matter.
Does 22 kW mean a car charges in under an hour?
No universal charging time follows from the NLG6’s 22 kW rating. The cited material does not give a named NLG6-equipped vehicle’s battery capacity, usable charging curve, or independently measured full-charge time. A maximum power rating alone cannot establish how long a particular EV takes to charge; the result depends on the vehicle and battery, the starting state of charge, available AC power, and the reduction in charging power as the battery fills.
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How later BRUSA charger specifications compare
Later BRUSA documents show why specifications should be tied to an exact model. These are NLG664 and NLG667 figures, not specifications for the NLG6.
| Model and document date | Three-phase figure | Single-phase figure | What the document says |
|---|---|---|---|
| NLG664, March 2021 datasheet | 20.75 kW maximum in the specification table; “up to 22 kW” in product highlights | 6.5 kW maximum | The headline figure is rounded in the highlights; the table gives the more precise maximum. BRUSA NLG664 datasheet |
| NLG667, datasheet labeled November 2020 | 20.5 kW maximum | Not stated in the cited specification summary | Its output-voltage range also differs from the NLG664. BRUSA NLG667 datasheet |
The NLG664 document also lists CAN control, galvanic isolation between mains and the high-voltage battery, and the ability to operate several NLG664 units in parallel. Those are NLG664 details and should not be attributed to the NLG6 without separate evidence. BRUSA’s later OBC7 announcement concerns a subsequent charger for commercial and off-highway applications and 400 V/800 V batteries; it is product-line context, not an NLG6 update. BRUSA HyPower: OBC7 announcement
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What is—and is not—established
- Established: BRUSA developed the NLG6, and the SIA paper listing describes three-phase charging up to 22 kW.
- Reported in 2013: cars from an unnamed major European manufacturer were already equipped with it, and other manufacturers were evaluating it.
- Not established by these sources: the automaker, vehicle models, a vehicle-specific charging time, independently verified in-car performance, consumer installation options, or current NLG6 availability.
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