Why Choose the Lovato DMED404R0400 DC Energy Meter?
The Lovato DMED404R0400 is a high-accuracy bidirectional DC energy meter for electric vehicle charging stations, designed for certified measurement of imported and exported electrical energy. As part of the Lovato DMED4 series, it combines direct current measurement up to 400 A, a wide DC voltage range and integrated RS485 plus Ethernet communications for modern EV charging infrastructure.
Designed for DC systems operating from 120–1500 V DC, the DMED404R0400 measures current directly up to 400 A, with a reference current of 60 A. It provides Class 1 active energy accuracy according to EN 50470-4 and is MID and Eichrecht certified for imported and exported energy measurement, supporting applications where legally relevant charging energy data is required.
Integrated RS485 and Ethernet interfaces enable the meter to communicate with compatible EV charging controllers, monitoring platforms and energy-management systems. With an operating temperature range of -40 to +85 °C, rear mounting and industrial construction, the DMED404R0400 is engineered for demanding high-power DC charging installations.
Key Advantages
- Purpose-designed DC energy meter for electric vehicle charging stations.
- 400 A maximum direct current measurement for high-power charging systems.
- Wide 120–1500 V DC measuring range.
- Bidirectional imported and exported energy measurement.
- MID and Eichrecht certified for legally relevant energy metering applications.
- Class 1 active energy accuracy according to EN 50470-4.
- Integrated RS485 and Ethernet communications.
- Wide -40 to +85 °C operating temperature range.
Key Features
- Lovato DMED4 DC energy meter series.
- 400 A IEC maximum current.
- 60 A IEC reference current.
- 120–1500 V DC rated operational measuring voltage.
- Direct current connection.
- Measures imported and exported active energy.
- Also measures current, voltage and temperature.
- MID certified.
- Eichrecht compliant for certified EV charging applications.
- Integrated RS485 and Ethernet interfaces.
- Programmable RS485 communication from 1200–115200 bps.
- Supports communication with EV charging station control systems.
- Metrological LED with 500 pulses/kWh.
- Metrological event logbook and real-time clock functionality.
- Supports cable-loss compensation and digital signature functionality.
Certified Bidirectional DC Energy Metering for High-Power EV Charging
DC energy meters such as the Lovato DMED404R0400 provide accurate measurement of electrical energy transferred through high-power electric vehicle charging systems. Its direct 400 A current measurement and 120–1500 V DC voltage range make it suitable for DC fast-charging equipment, while imported and exported energy measurement supports bidirectional charging architectures.
The integrated RS485 and Ethernet interfaces enable metering data to be exchanged with compatible charging controllers and back-end systems. MID certification, Eichrecht compliance, digital signature functionality and metrological event logging support applications requiring secure and legally relevant energy measurement for commercial EV charging.
Typical Applications
- High-power DC electric vehicle charging stations.
- DC fast-charging and rapid-charging equipment.
- Bidirectional EV charging and vehicle-to-grid systems.
- Public and commercial EV charging infrastructure.
- Fleet and depot charging installations.
- Certified DC energy billing and allocation systems.
- Networked EV charging systems using RS485 or Ethernet.
- MID and Eichrecht compliant charging energy measurement.
