Why Choose the Lovato DMED404R0150 DC Energy Meter?
The Lovato DMED404R0150 is a high-accuracy DC energy meter for electric vehicle charging stations, designed for direct measurement of imported and exported electrical energy. As part of the Lovato DMED4 series, it combines a 150 A direct current connection, high-voltage DC measurement, MID and Eichrecht certification, and integrated RS485 and Ethernet communications for advanced EV charging infrastructure.
Designed for DC systems with a rated operational measuring voltage of 120–1500 V DC, the DMED404R0150 measures current directly up to 150 A. It provides Class 1 active energy accuracy according to EN 50470-4 and supports certified measurement of both imported and exported energy, making it suitable for bidirectional DC energy metering applications.
Integrated RS485 and Ethernet interfaces enable connection to compatible monitoring, billing and charging-management systems. The meter also provides an Ethernet-to-RS485 gateway function, programmable RS485 communication from 1200–115200 bps and a wide operating temperature range of -40 to +85 °C for demanding EV charging installations.
Key Advantages
- Purpose-designed DC energy meter for electric vehicle charging stations.
- 150 A direct current measurement without an external current transformer or shunt for suitable circuits.
- Wide 120–1500 V DC measuring voltage range.
- MID and Eichrecht certified for imported and exported energy measurement.
- Class 1 active energy accuracy according to EN 50470-4.
- Integrated RS485 and Ethernet communication for connected metering systems.
- Built-in Ethernet-to-RS485 gateway functionality.
- Wide -40 to +85 °C operating temperature for demanding charging environments.
Key Features
- Lovato DMED4 DC energy meter series.
- 150 A IEC maximum current.
- 30 A IEC reference current.
- 120–1500 V DC rated operational measuring voltage.
- Direct current connection.
- Imported and exported energy measurement.
- MID certified energy metering.
- Eichrecht certified for appropriate EV charging metering applications.
- Integrated RS485 and Ethernet ports.
- Programmable RS485 baud rate from 1200–115200 bps.
- Ethernet-RS485 gateway function.
- Metrological LED with 1000 pulses/kWh.
- IP40 frontal and IP20 terminal protection.
Certified Bidirectional DC Energy Metering for EV Charging
DC energy meters such as the Lovato DMED404R0150 provide accurate measurement of electrical energy transferred between high-power DC systems and connected loads. Its direct 150 A current path and 120–1500 V DC measuring range make it particularly suited to DC electric vehicle charging equipment, while imported and exported energy measurement supports bidirectional energy flows.
The integrated RS485 and Ethernet interfaces allow metering information to be exchanged with compatible charging controllers, data-management platforms and remote monitoring systems. MID and Eichrecht certification, Class 1 active energy accuracy and a wide environmental operating range make the DMED404R0150 a specialised solution for certified DC charging energy measurement.
Typical Applications
- DC electric vehicle charging stations.
- High-power EV fast charging equipment.
- Bidirectional EV charging and energy measurement.
- Commercial EV charging infrastructure.
- Public and fleet charging installations.
- Certified DC energy billing and allocation systems.
- Networked charging systems using RS485 or Ethernet communications.
- EV charging equipment requiring MID and Eichrecht compliant metering.
