KeContact M20 Charging Management Controller

Intelligent load management for up to 200 wallboxes

Smart charging management for multiple charging points

We know a thing or two about intelligent charging management. Our x-series wallboxes have long been providing performance-based, dynamic control of up to fifteen c-series wallboxes.
This smart arrangement is needed wherever many charging stations are part of a building’s electrical system – for instance in multi-storey or underground car parks, in hotels and company parking lots. As the continuing spread of eMobility will require increasingly larger systems with more charging points, we have developed a solution that enables easy scaling: the KeContact M20 charging management controller. It allows the smart control of up to 200 charging stations and helps to boost the charging performance of large parking areas with a correspondingly big number of EVs. Moreover, it is manufactured in a climate-neutral way - just like our wallboxes.

M20 charging management controller benefits at a glance

  • Smart control of up to 200 KEBA wallboxes
  • Enables dynamic load management and thus optimal and safe utilisation of the building’s electrical system
  • Full connectivity using OCPP via LAN or 4G/LTE
  • Easy configuration of entire charging infrastructure via a central web interface
  • Avoids oversize asymmetric loads with phase correct management of the charging sessions
  • Smart load management with up to 15 freely configurable charging clusters
  • Future-proof with our KeContact P30 ISO 15118 hardware-ready variants
For up to 200 wallboxes

For up to 200 wallboxes

All connected to one network node

For easy <br> access

For easy

Control via web interface and OCPP

For wireless data exchange

For wireless data exchange

Communication via 4G/LTE with external antenna

For optimal load output

For optimal load output

Maximum use of building electrics

More efficiency, greater safety, lower costs – thanks to load management

In order to avoid power failures due to overloads in the building's electrical system, electrical consumers must be monitored and regulated accordingly. The term for this is load management. In the specific case of the charging infrastructure management of electric vehicles and charging stations with their high power consumption, one speaks of charging management. The more intelligently this is designed, the less the charging capacity is throttled by excessive control interventions, even if the building has a relatively low connected load.


Software update 1.15.000 now available

ISO 15118 hardware readyness & integration of x-series

With the 1.15.000 software update it is now possible to also integrate any P30 x-series and specifically our ISO 15118 hardware ready variants into a KeContact M20 load management network. Please be aware that currently, the x-series will be converted into a c-series by software to be managed as a client.


KeContact M20 – the central control unit

Connected to an external smart meter, the climate-neutral KeContact M20 charging management controller constantly monitors the building’s primary electricity requirement. It releases the additionally available power to the charging stations and the electric vehicles. This ensures the optimal use of the existing building electrical power for charging. As a result the connected load of a new building can be configured to be lower. This optimises the use of resources to the essentials, cuts costs, and is sustainable.

  • It allows KEBA charging stations to be grouped into up to 15 clusters and enables the configuration of corresponding load limits in accordance with the electrics (e.g. sub-distributors in a multi-storey garage).
  • Compatible with KeContact c-series (or x-series managed as client)
  • Supports static and dynamic load management.
  • All charging sessions are stored locally for three months.

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