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DMED301 – 3PH W/NEUTRAL DIGITAL METER 80A DIRECT
Lovato DMED301 three-phase energy meter with neutral, 80 A direct connection, RS485 Modbus RTU communication, backlit LCD display and comprehensive multi-measurement functionality.
£240.53
Why Choose the Lovato DMED301 Three-phase Energy Meter?
The Lovato DMED301 is a versatile three-phase digital energy meter with neutral, designed for accurate monitoring of electrical consumption and operating parameters in commercial, industrial and building-services installations. As part of the Lovato DME energy meter range, it combines direct current measurement, comprehensive multi-measurement functions and integrated communication in a compact DIN rail mounted device.
Designed for direct connection up to 80 A, the DMED301 allows suitable three-phase circuits to be monitored without external current transformers. It measures imported and exported active energy, imported and exported reactive energy, voltage, current, power, power factor and frequency, providing detailed visibility of electrical system performance.
The meter features an integrated RS485 Modbus RTU interface, enabling straightforward connection to PLCs, building management systems, SCADA platforms and remote energy-monitoring software. Its four-module DIN rail housing, programmable functions and clear backlit display make it an effective solution for energy management, sub-metering and industrial automation applications.
Key Advantages
- Accurate three-phase energy monitoring with neutral.
- 80 A direct connection without external current transformers.
- Integrated RS485 Modbus RTU communication.
- Measures imported and exported active and reactive energy.
- Comprehensive multi-measurement functionality.
- Compact 4-module DIN rail installation.
Key Features
- Lovato DMED301 three-phase digital energy meter.
- Three-phase system with neutral connection.
- 80 A maximum direct current connection.
- 400 V AC phase-to-phase rated voltage.
- 230 V AC phase-to-neutral rated voltage.
- Imported and exported active energy measurement.
- Imported and exported reactive energy measurement.
- Integrated RS485 Modbus RTU interface.
- Programmable AC input for tariff selection and control functions.
- Backlit LCD display with multi-parameter readings.
Connected Three-phase Energy Monitoring
The Lovato DMED301 provides detailed monitoring of energy consumption and electrical operating conditions across three-phase systems. Individual phase and total system measurements help users identify load imbalance, abnormal consumption and opportunities to improve energy efficiency.
Its built-in RS485 interface allows measurement data to be transmitted to compatible automation and monitoring systems using Modbus RTU. The programmable AC input can also be configured for tariff selection, partial meter reset, hour-counter reset or maximum-demand reset, providing additional flexibility for energy-management applications.
Typical Applications
- Industrial electrical distribution panels.
- Commercial building energy monitoring.
- Building management and SCADA systems.
- Three-phase sub-metering installations.
- Production machinery and OEM equipment.
- Facilities and energy-management systems.
- Remote monitoring of three-phase plant and equipment.
Technical Specifications
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| Current Input Rating (A) | 80 A | |
|---|---|---|
| Measurement Connection Type | Direct connection | |
| Device Type | Energy meter | |
| Current | 80 A | |
| Phase | Three Phase | |
| Manufacturer | Lovato Electric | |
| Series | DME Energy Meters | |
| Model | DMED301 | |
| Product type | Three-phase digital energy meter | |
| Electrical system | Three-phase with neutral | |
| Current connection | Direct | |
| Maximum current | 80 A | |
| Reference current | 10 A | |
| Rated phase-to-phase voltage | 400 V AC | |
| Rated phase-to-neutral voltage | 230 V AC | |
| Operating frequency | 45–66 Hz | |
| Energy measurement | Imported and exported active and reactive energy | |
| Active energy accuracy | Class 1, IEC/EN 62053-21 | |
| Reactive energy accuracy | Class 2, IEC/EN 62053-23 | |
| Communication interface | RS485 | |
| Communication protocol | Modbus RTU | |
| Programmable AC inputs | 1 | |
| Tariff registers | 2 selectable tariffs | |
| Expandable | No | |
| MID certified | No | |
| Display | Backlit LCD | |
| Mounting type | 35 mm DIN rail | |
| DIN modules | 4 | |
| Front protection rating | IP40 | |
| Operating temperature | -25°C to +55°C | |
| Maximum altitude | 2000 m | |
| Weight | Approx. 360 g | |
| HS Code | 90283019 |
Frequently Asked Questions
What is the Lovato DMED301 used for?
The DMED301 measures electrical energy and operating parameters in three-phase systems with a neutral conductor and transmits the measured data to compatible monitoring systems.
What is the maximum current rating?
The meter supports a direct connection up to 80 A, allowing suitable circuits to be monitored without external current transformers.
Does the DMED301 support Modbus communication?
Yes. It includes an integrated RS485 Modbus RTU interface for connection to PLCs, SCADA platforms and building management systems.
What energy values can the DMED301 measure?
It measures imported and exported active energy together with imported and exported reactive energy.
Does the DMED301 support multiple tariffs?
Yes. Its programmable AC input can be configured to select between two tariffs with independent energy registers.
Is the DMED301 MID certified?
No. The standard DMED301 is not MID certified and should not be used where legally certified energy measurement is required for customer billing.
Trusted by Electrical Professionals Worldwide
Lovato Electric energy meters are trusted by electrical contractors, panel builders and facilities managers for accurate measurement, reliable communication and dependable integration into modern electrical monitoring systems.
