Carlo Gavazzi EM540 - Modbus Energy Meter (3-phase, 65 A)
Carlo Gavazzi EM540 - Modbus Energy Meter (3-phase, 65 A)
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Carlo Gavazzi EM540DIN is a reliable three-phase energy meter designed to accurately measure electrical energy in applications up to 65 A. Its integrated RS-485 Modbus RTU interface enables easy integration into remote monitoring and energy management systems.
The device features a backlit LCD that shows key electrical parameters such as voltage, current, active and reactive power, power factor, frequency, and more. It supports measuring imported and exported energy and allows for a dual-tariff billing configuration.
The energy meter is designed for DIN rail mounting and occupies only three modules thanks to its compact size. It is suitable for various applications, including industrial facilities, commercial buildings, and energy management systems.
Parameters
| Model | EM540DIN-AV23X-S1X |
| Measurement | Three-phase, direct up to 65 A |
| Power Supply | Self-powered from the measured voltage (120–415 V AC) |
| Voltage Range | 120–240 V AC (L-N), 208–415 V AC (L-L) |
| Current Range | 0–65 A (direct connection) |
| Measurement Accuracy | Class 1 (kWh) according to EN62053-21 |
| Display | Backlit LCD, 8 characters per line |
| Communication | RS-485 Modbus RTU |
| Measured Parameters | kWh, kvarh, V, A, W, var, VA, Hz, PF, THD |
| Tariffs | 2 (supports dual-tariff billing) |
| Mounting | DIN rail (3 modules) |
| Dimensions (H × W × D) | 90 × 53.4 × 62.4 mm |
| Protection Rating | IP40 (front side) |
| Operating Temperature | -25 °C to +55 °C |
Safety information
- Read the manufacturer's user guide supplied with the product before installation and keep it.
- Use the product only for its intended use and within the operating conditions stated by the manufacturer. Do not use a visibly damaged product.
- Installation and connection may be carried out only by a person qualified in electrical installation, with the circuit de-energised. Risk of electric shock.
- Do not exceed the rated voltage and current stated by the manufacturer.
| Manufacturing company | CARLO GAVAZZI CONTROLS SPA |
|---|---|
| Address | Via Safforze 8, 32100 Belluno (BL), Italy |
| [email protected] |

