Charging Infrastructure Air-Cooled Split System Separates Power Generation And Power Output

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FAULHABER Drive Systems

With the transition of public charging networks to infrastructure models, the installed power no longer plays the most important role, but rather the energy actually supplied and the economic efficiency at site level. ABB E-mobility is now launching the OM M-Series, a modular, air-cooled split system that separates power generation and power output.

With the new M-Series, power is no longer tied to individual charging points. It combines central Power Cabinets with a portfolio of specialized dispensers: Solo, Duo, Dock and Ultra. The charging formats CCS1, CCS2, NACS and MCS are supported. This separation allows charging infrastructure to be targeted at different segments, each with their own usage profiles, dwell times and economic requirements. "The industry has spent a decade optimizing rated power. Today, operators need to focus on the cost of energy actually delivered over the lifetime of a site," explains Michael Halbherr, CEO of ABB E-mobility, emphasizing. "Power is only relevant if it can be delivered reliably, across different vehicle architectures, charging points and utilization levels. This is exactly what the M-Series was developed for."

From 200 kW to 1.2 MW

The OM M-Series focuses on the system architecture and how power is provided. Instead of designing the installed capacity for maximum peak load, it is understood as a shared resource. The available capacity is distributed dynamically to the charging points and adapted to actual demand in real time. This principle enables operators to manage with lower installed capacity while ensuring high power output under load.

The M-Series scales from 270 hp to 1.2 MW and supports up to 24 charging points without compromising peak charging performance. The power capacity can be expanded on site in 536 hp increments via up to three interconnected Power Cabinets, without having to re-plan a site or write off existing investments. In this way, the infrastructure grows in line with actual demand rather than solely on the basis of forecasts.

Power Density of 58 kW/ft²

With a power density of 58 kW/ft², corresponding to 1,200 kW on 20.7 ft², the system claims to offer more installed power on the same area than comparable high-power split systems. This directly improves the economic efficiency of sites, especially where space is limited or land and real estate costs are high.

The decisive factor is the power actually delivered, not the rated power. Different electric vehicles absorb power differently. With conventional systems, some of the available power is lost in the transfer. The M-Series ensures that the power actually delivered is almost equal to the installed nominal power and that the entire power is used consistently. The power delivery unit distributes the available capacity in real time across all charging points and vehicle types and dynamically adapts the power to changing demand profiles over the course of the day.

Developed for the Real Growth of Locations

The M-Series is designed for three central location types, which differ significantly in terms of performance requirements, usage profiles and economic framework conditions.

Public fast-charging corridors: Locations can be expanded from a single 536 hp Power Cabinet to up to 1.2 MW with up to 24 charging points, in 536 hp increments and without the need for new site planning. Power Cabinets already installed continue to generate revenue across all expansion stages. For CPOs with large site portfolios, this enables a shift from investment to demand-based scaling.

Retail and hospitality locations: At supermarkets, petrol stations or logistics hubs, the system dynamically balances between high-power charging at low capacity and parallel charging with lower power at high capacity. This maximizes the use of installed capacity while demand changes throughout the day. Power Cabinets already installed continue to create economic value even during expansion phases.

Commercial fleet depots: Operators who electrify mixed fleets of vans, trucks and buses have to make investment decisions with a high degree of uncertainty. The vehicle mix, pace of electrification and MCS readiness often cannot yet be definitively planned. The M-Series addresses this uncertainty by expanding in 536 hp increments, thereby aligning infrastructure costs with actual fleet growth rather than solely on the basis of forecasts. Regardless of the installed power, the system can map both high-power opportunity charging and night-time charging with lower power without the need for separate infrastructures for different usage profiles.

The M-Series can be integrated into ABB E-mobility's Asset Operations Platform and offers real-time visibility, AI-supported fault detection and optimized service processes in the field. It builds on a human-machine interface that was introduced with the A400 and C50. Optionally, an AC-coupled battery storage system can be integrated to smooth load peaks and create additional flexibility at site level, especially in the event of grid restrictions. Open APIs and an SDK enable seamless integration into existing operator systems and third-party platforms.

From All-in-One System to Split System

The series builds on the A-Series and marks a structural change in the architecture of charging infrastructure. The A-Series has established an all-in-one system that stands for simple installation and consistent provision of high-power charging capacity at public and destination locations. The M-Series takes this principle further and transforms it into a split system that separates power generation and power delivery, enabling application-specific configurations rather than rolling out generic systems.

Both series are based on the same air-cooled, internally developed silicon carbide power electronics platform with protection class IP54 and a common reference architecture that has been in commercial use since 2024. The M-Series builds on this technological foundation and expands it with new developments in power supply and a portfolio of specialized dispensers. This opens up new application possibilities without compromising the maturity of the system. (se)

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