Why Choose the Lovato DMED403R0400 DC Energy Meter?
The Lovato DMED403R0400 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 DC energy meter series, it combines bidirectional energy measurement, MID and Eichrecht certification and integrated RS485 communication for demanding EV charging infrastructure.
This meter supports direct DC current measurement up to 400 A and a rated operational measuring voltage of 120–1500 V DC. Its ability to measure both imported and exported energy makes the DMED403R0400 suitable for charging systems where accurate and legally compliant energy measurement is required.
With Class 1 active-energy accuracy to EN 50470-4, an integrated RS485 serial interface and an extended operating temperature range of -40 to +85 °C, the DMED403R0400 provides dependable energy measurement and communications for high-power DC charging installations.
Key Advantages
- Purpose-designed DC energy meter for electric vehicle charging stations.
- Direct current measurement up to 400 A.
- Wide 120–1500 V DC rated operational measuring range.
- Bidirectional imported and exported energy measurement.
- MID and Eichrecht certified for regulated energy metering applications.
- Integrated RS485 communication interface for monitoring and system integration.
- Extended -40 to +85 °C operating temperature for demanding charging environments.
Key Features
- Lovato DMED4 DC energy meter series.
- 400 A IEC maximum current (Imax).
- 60 A IEC reference current (Iref/Ib).
- 4 A IEC minimum current (Imin).
- 120–1500 V DC rated operational voltage.
- Class 1 active-energy accuracy to EN 50470-4.
- Integrated RS485 serial interface.
- Programmable communication speed from 1200 to 115200 bps.
- 500 pulses/kWh LED pulse rate.
- Rear-mounted polyamide housing with removable terminals.
Reliable & Certified DC Energy Metering
Accurate DC energy measurement is essential in high-power electric vehicle charging infrastructure, particularly where energy consumption must be recorded for billing, monitoring and regulatory purposes. The Lovato DMED403R0400 directly measures DC current and voltage while recording both imported and exported active energy.
The DMED4 series is engineered for modern EV charging systems, combining certified energy measurement with industrial communications and a broad environmental operating range. Its MID and Eichrecht certifications, Class 1 active-energy accuracy and RS485 connectivity make the DMED403R0400 a strong choice for reliable integration into commercial and public DC charging equipment.
Typical Applications
- DC electric vehicle charging stations.
- High-power EV fast-charging equipment.
- Certified EV energy billing systems.
- Bidirectional DC energy monitoring.
- Commercial and public EV charging networks.
- Charging-system energy management and data acquisition.
