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EM2172RVV23XOSX – EM2172R for Retro-Fit Energy Meter
Carlo Gavazzi EM2172RVV23XOSX three-phase energy meter with 90 A current sensors, RS485 Modbus RTU communication, pulse output and removable LCD display for retrofit energy monitoring applications.
Why Choose the Carlo Gavazzi EM2172RVV23XOSX Energy Meter?
The Carlo Gavazzi EM2172RVV23XOSX is a compact and practical three-phase energy meter designed for retrofit energy monitoring in industrial, commercial and building automation applications. As part of the Carlo Gavazzi EM21 series, it provides accurate measurement of electrical consumption and generated energy in a space-saving 72 mm format.
This model is supplied for use with three 90 A current sensors, making it ideal for monitoring existing electrical installations without extensive panel modification. Its self-powered design supports straightforward installation, while the integrated RS485 Modbus RTU communication and pulse output allow energy data to be shared with monitoring platforms and building management systems.
With 400 V L-L three-phase voltage input and a wide self-power supply range of 18 to 260 V AC L-N, the EM2172RVV23XOSX is well suited to three-phase distribution boards, machinery panels and retrofit metering projects. The removable LCD display provides clear local readings and convenient configuration access.
Key Advantages
- Compact three-phase energy meter for retrofit monitoring applications.
- Supplied for use with three 90 A current sensors.
- RS485 Modbus RTU communication for remote monitoring.
- Pulse output for energy retransmission and external counting.
- Self-powered operation simplifies installation.
- Suitable for DIN rail and panel mounting.
Key Features
- Carlo Gavazzi EM21 energy meter series.
- Three-phase energy meter for 3-wire networks.
- 90 A current sensor input.
- 400 V L-L voltage input.
- 18 to 260 V AC L-N self-powered supply range.
- RS485 Modbus RTU communication interface.
- Pulse output for energy pulse transmission.
- Removable LCD display for local monitoring.
Retrofit Energy Monitoring for Three-Phase Installations
Energy meters such as the Carlo Gavazzi EM2172RVV23XOSX allow engineers to monitor electrical consumption and generated energy across existing distribution boards, control panels and commercial installations. The 90 A current sensor configuration makes it particularly useful for retrofit projects where rapid installation and minimal disruption are important.
With RS485 Modbus RTU communication and pulse output functionality, this energy meter can support remote monitoring, building management integration, sub-metering, cost allocation and energy efficiency improvement programmes.
Typical Applications
- Three-phase electrical distribution boards.
- Retrofit energy monitoring projects.
- Commercial building metering systems.
- Industrial machinery and control panels.
- Building management system integration.
- Sub-metering and energy cost allocation.
Technical Specifications
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| Measurement Connection Type | CT connection | |
|---|---|---|
| Measurement Functions | Energy | |
| Device Type | Power / energy analyser | |
| Phase | Three Phase | |
| Coil / Supply Voltage | Self-powered | |
| Communication | Modbus RTU, RS485 | |
| Display | LCD | |
| Manufacturer | Carlo Gavazzi | |
| Series | EM21 | |
| Model | EM2172RVV23XOSX | |
| Product type | Three-phase energy meter | |
| Current sensor rating | 90 A | |
| Voltage input | 400 V L-L | |
| Supply voltage | 18 to 260 V AC L-N | |
| Network type | Three-phase, 3-wire | |
| Frequency | 50 / 60 Hz | |
| Energy metering | Consumption and generation | |
| Communication | RS485 Modbus RTU | |
| Output type | Pulse output | |
| Power supply | Self-powered | |
| Display | Removable LCD display | |
| Mounting type | DIN rail / panel mounting | |
| Protection rating | IP40 front | |
| Dimensions | Approx. 72 × 72 × 65 mm |
Frequently Asked Questions
What is the Carlo Gavazzi EM2172RVV23XOSX used for?
It is used to measure and monitor energy consumption and generated energy in three-phase electrical installations.
What current rating does this energy meter support?
The EM2172RVV23XOSX is designed for use with 90 A current sensors.
Does this model include Modbus communication?
Yes. It includes RS485 Modbus RTU communication for integration with energy monitoring systems, automation platforms and building management systems.
Does the EM2172RVV23XOSX include a pulse output?
Yes. This model includes a pulse output for energy retransmission and external pulse counting applications.
How is this energy meter installed?
The meter is suitable for DIN rail or panel mounting, making it practical for electrical cabinets, distribution boards and retrofit metering applications.
Trusted by Electrical Engineers Worldwide
Carlo Gavazzi EM21 energy meters are trusted by electrical contractors, panel builders and facilities engineers for reliable three-phase energy monitoring, retrofit metering and integration into modern energy management systems.
