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DMED302 Lovato MOD. (4U) 3-PH ENERGY METER, 80A , MBUS
Lovato DMED302 is a 4U three-phase plus neutral digital energy meter with 80 A direct connection, imported and exported active and reactive energy measurement, a backlit LCD display and integrated M-Bus communication.
£269.35
Why Choose the Lovato DMED302 Three-Phase Energy Meter?
The Lovato DMED302 is a versatile three-phase digital energy meter and multi-measurement instrument designed for accurate monitoring of electrical energy consumption and generation in industrial, commercial and building energy-management applications. As part of the Lovato DME energy meter series, it combines direct current measurement, a backlit LCD display and integrated M-Bus communication in a compact DIN rail enclosure.
Designed for three-phase systems with neutral, the DMED302 supports direct connection up to 80 A, eliminating the need for external current transformers in suitable circuits. It measures imported and exported active energy as well as imported and exported reactive energy, while additional electrical measurements can be viewed locally on the backlit display.
The DMED302 operates with rated measuring voltages of 380–415 V AC phase-to-phase and 220–240 V AC phase-to-neutral. Its integrated M-Bus interface enables connection to compatible remote metering and energy-management systems, while the standard 4U, 72 mm wide DIN rail housing provides straightforward installation in electrical distribution boards and control panels.
Key Advantages
- Three-phase + neutral energy meter for comprehensive electrical energy monitoring.
- 80 A direct connection eliminates external current transformers in suitable circuits.
- Measures imported and exported active and reactive energy.
- Class 1 active energy accuracy according to IEC/EN 62053-21.
- Class 2 reactive energy accuracy according to IEC/EN 62053-23.
- Integrated M-Bus communication for remote energy monitoring.
- Backlit LCD display provides clear local measurement viewing.
- Compact 4U modular DIN rail housing simplifies panel installation.
Key Features
- Lovato DME three-phase energy meter series.
- Three-phase + neutral configuration.
- 80 A maximum direct-measurement current.
- 380–415 V AC phase-to-phase rated voltage.
- 220–240 V AC phase-to-neutral rated voltage.
- Imported/exported active and reactive energy measurement.
- Integrated M-Bus communication interface.
- Backlit LCD display with 6+1 digit energy counter.
- Three front keys for measurement selection and programming.
- Total, partial, system and individual phase energy counters.
- Three integrated hour counters.
- Front metrological LED with 1000 pulses/kWh.
- AC input for selection between two tariffs.
- Standard 4U, 72 mm wide DIN rail housing.
Comprehensive Three-Phase Energy Monitoring
Energy meters such as the Lovato DMED302 provide detailed monitoring of electrical energy flow in three-phase systems. Direct measurement up to 80 A simplifies installation, while separate imported and exported active and reactive energy registers make the meter suitable for monitoring both consumption and energy returned towards the supply.
The integrated M-Bus interface allows measurement information to be incorporated into compatible building management, sub-metering and energy-monitoring networks. Combined with its backlit LCD, programmable front controls, two-tariff selection and compact DIN rail housing, the DMED302 provides a practical solution for modern electrical energy-management systems.
Typical Applications
- Three-phase electricity sub-metering.
- Industrial and commercial energy monitoring.
- Building energy-management systems.
- Electrical distribution boards and control panels.
- Machine and production equipment consumption monitoring.
- M-Bus remote metering networks.
- Renewable energy and bidirectional energy monitoring applications.
- Energy allocation and efficiency monitoring systems.
Technical Specifications
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| Measurement Functions | Energy | |
|---|---|---|
| Device Type | Energy meter | |
| Phase | Three Phase | |
| Signal / Input Range | CT input (/5 A or /1 A) | |
| Communication | M-Bus | |
| Display | LCD | |
| HS Code | 90283019 | |
| Manufacturer | Lovato Electric | |
| Series | DME | |
| Model | DMED302 | |
| Product type | Three-phase digital energy meter / multi-meter | |
| Phase configuration | Three-phase + neutral | |
| Connection method | Direct | |
| Maximum current Imax | 80 A | |
| Minimum current Imin | 0.5 A | |
| Reference current Iref | 10 A | |
| Starting current Ist | 40 mA | |
| Transition current Itr | 1 A | |
| Rated voltage phase-to-phase | 380–415 V AC | |
| Rated voltage phase-to-neutral | 220–240 V AC | |
| Operating voltage phase-to-phase | 323–456 V AC | |
| Operating voltage phase-to-neutral | 187–264 V AC | |
| Operating frequency | 50 / 60 Hz | |
| Maximum power consumption | 20 VA | |
| Maximum power dissipation | 1.35 W | |
| Active energy accuracy | Class 1 (IEC/EN 62053-21) | |
| Reactive energy accuracy | Class 2 (IEC/EN 62053-23) | |
| Energy measurement | Imported/exported active and imported/exported reactive energy | |
| Communication interface | M-Bus | |
| Expandable | No | |
| MID certified | No | |
| LED pulse rate | 1000 pulses/kWh | |
| LED pulse duration | 30 ms | |
| Static output external voltage | 10–30 V DC | |
| Static output maximum current | 50 mA | |
| Rated insulation voltage Ui | 250 V | |
| Rated impulse withstand voltage Uimp | 6 kV | |
| Power-frequency withstand voltage | 4 kV | |
| Display | Backlit LCD | |
| Energy counter display | 6+1 digits | |
| Housing | Polyamide | |
| Terminal type | Fixed | |
| Conductor cross-section | 2.5–25 mm² / AWG 14–4 | |
| DIN rail modules | 4U | |
| Width | 72 mm | |
| Mounting type | 35 mm DIN rail | |
| Operating temperature | -25 to +55 °C | |
| Storage temperature | -25 to +70 °C | |
| Relative humidity | <80% | |
| Pollution degree | 2 | |
| Weight | 374 g |
Frequently Asked Questions
What is the Lovato DMED302 used for?
The DMED302 is a three-phase + neutral digital energy meter used to monitor active and reactive electrical energy in industrial, commercial, building-management and sub-metering applications.
What is the maximum current of the DMED302?
The Lovato DMED302 supports direct current measurement up to 80 A, allowing suitable circuits to be monitored without external current transformers.
What voltages can the DMED302 measure?
The DMED302 is rated for 380–415 V AC phase-to-phase and 220–240 V AC phase-to-neutral three-phase systems.
Does the Lovato DMED302 have M-Bus communication?
Yes. The DMED302 incorporates an M-Bus communication interface for connection to compatible remote metering and energy-management systems.
Can the DMED302 measure imported and exported energy?
Yes. The meter measures imported and exported active energy as well as imported and exported reactive energy.
What energy measurement accuracy does the DMED302 provide?
The DMED302 provides Class 1 active energy accuracy according to IEC/EN 62053-21 and Class 2 reactive energy accuracy according to IEC/EN 62053-23.
Is the Lovato DMED302 MID certified?
No. The DMED302 is not MID certified; applications requiring MID-certified imported active energy measurement should use an appropriate MID-certified meter variant.
How much DIN rail space does the DMED302 require?
The meter uses a standard 4U modular housing measuring 72 mm wide and mounts on a 35 mm DIN rail.
Trusted for Three-Phase Energy Management
Lovato Electric DME energy meters provide dependable electrical energy monitoring for panel builders, energy managers and automation professionals, combining accurate multi-measurement functionality, direct current connection and communication interfaces for modern energy-management systems.
