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EM2172RVV33XOSX - EM2172R for Retro-Fit Energy Meter

EM2172RVV33XOSX – EM2172R for Retro-Fit Energy Meter

Carlo Gavazzi EM2172RVV33XOSX three-phase retrofit energy meter with three 150 A split-core current sensors, RS485 Modbus RTU communication and pulse output.

SKU: EM2172RVV33XOSX
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Why Choose the Carlo Gavazzi EM2172RVV33XOSX Energy Meter?

The Carlo Gavazzi EM2172RVV33XOSX is a professional three-phase retrofit energy meter designed for accurate monitoring of electrical consumption in industrial, commercial and building automation applications. As part of the Carlo Gavazzi EM21 series, it is supplied with three split-core 150 A current sensors, allowing fast installation on existing electrical systems without disconnecting conductors.

Featuring a compact multi-purpose housing, the EM2172RVV33XOSX can be installed on a DIN rail or mounted directly into a control panel. The meter provides accurate measurement of imported and generated energy while offering RS485 Modbus RTU communication and a pulse output for seamless integration into SCADA, BMS and energy management systems.

Designed for 400 V L-L three-phase systems with a self-powered supply from 18 to 260 V AC L-N, this energy meter is ideal for retrofit metering, energy audits, cost allocation and continuous monitoring across industrial distribution boards and commercial facilities.

Key Advantages

  • Compact three-phase retrofit energy meter.
  • Supplied with three 150 A split-core current sensors.
  • RS485 Modbus RTU communication for remote monitoring.
  • Pulse output for energy retransmission.
  • Suitable for both imported and generated energy measurement.
  • DIN rail or panel mounting for flexible installation.

Key Features

  • Carlo Gavazzi EM21 retrofit energy meter series.
  • Three-phase multifunction energy meter.
  • Three included 150 A split-core current sensors.
  • 400 V L-L voltage input.
  • 18 to 260 V AC L-N self-powered operation.
  • RS485 Modbus RTU communication.
  • Single pulse output for energy pulse transmission.
  • Removable LCD display with EasyProg configuration.

Ideal for Retrofit Energy Monitoring

The Carlo Gavazzi EM2172RVV33XOSX is designed specifically for retrofit applications where existing electrical installations require energy monitoring without major modifications. The included split-core current sensors simplify installation by eliminating the need to disconnect existing conductors, reducing downtime and installation costs.

With comprehensive electrical measurements, RS485 Modbus RTU communication and pulse output, the meter integrates easily into energy management platforms, helping organisations improve efficiency, monitor consumption and reduce operating costs.

Typical Applications

  • Industrial electrical distribution boards.
  • Commercial building energy monitoring.
  • Retrofit metering projects.
  • Building management systems.
  • Energy audits and cost allocation.
  • Manufacturing and process facilities.

Technical Specifications

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Measurement Functions Energy
Device Type Power / energy analyser
Phase Three Phase
Signal / Input Range AC V / A (TRMS)
Coil / Supply Voltage Self-powered
Communication Modbus RTU, RS485
Display LCD
Manufacturer Carlo Gavazzi
Series EM21
Model EM2172RVV33XOSX
Product type Three-phase energy meter
Current sensors 3 × 150 A split-core current sensors included
Voltage input 400 V L-L AC
Power supply Self-powered, 18 to 260 V AC L-N
Supported systems 3-phase 3-wire, 3-phase 4-wire, 2-phase and single-phase networks
Frequency 45 to 65 Hz
Energy metering Consumption and generation
Communication RS485 Modbus RTU
Output Single pulse output
Display Removable LCD display
Mounting type DIN rail or panel mounting
Protection rating IP50 front
Dimensions (H × W × D) Approx. 72 × 72 × 65 mm
Operating temperature -25°C to +55°C

Frequently Asked Questions

What is the Carlo Gavazzi EM2172RVV33XOSX used for?

It is used to monitor electrical energy consumption and generation in three-phase installations, particularly retrofit applications.

Are current sensors included?

Yes. The EM2172RVV33XOSX is supplied with three 150 A split-core current sensors for quick retrofit installation.

Does this model support Modbus communication?

Yes. It features an integrated RS485 Modbus RTU communication interface for connection to energy management and automation systems.

Does it include a pulse output?

Yes. A single pulse output is provided for energy retransmission and external monitoring applications.

Can the meter be mounted on a DIN rail?

Yes. Its multi-purpose housing allows installation on either a DIN rail or directly into a panel cut-out.

Trusted by Energy Management Professionals

Carlo Gavazzi EM21 retrofit energy meters are trusted worldwide by electrical engineers, panel builders and facilities managers for accurate energy measurement, straightforward installation and dependable long-term performance.

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