Energy Meter Victron REL200300100 / VM-3P75CT VE.Can / Ethernet / Modbus UDP / Victron GX

Victron VM-3P75CT Energy Meter

A Victron ecosystem energy meter with supplied split-core CTs, fast VE.Can or Ethernet reporting, and support for single-phase, split-phase, and three-phase monitoring in ESS, PV-inverter, genset, EV-charger, heat-pump, and load-measurement roles.

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Source Checked

Checked for product fit and source-backed specs

Editorial policy

Last reviewed

Jul 1, 2026

Source checked

Jul 1, 2026

Official references

Verified 2026-07-01 CST against Victron official product page, VM-3P75CT datasheet, HTML manual, and Energy Meters Selection Guide. Energy-meter only: single/split/three-phase CT meter, REL200300100, 75 A rated / up to 80 A RMS per phase, VE.Can, Ethernet, Modbus UDP, 100 ms refresh, GX/VictronConnect/VRM context, indoor IP20 use, and ESS/PV-inverter import/export roles. accuracyClass and supportsHomeAssistant left blank without field-grade official evidence.

What matters for buyers

Installation fit, electrical context, and whether the device suits the home it is being considered for.
Monitoring quality, local-versus-cloud data access, and platform compatibility.
Unknown specs stay blank rather than being guessed.

Editorial stance

Manufacturer documents can support source checks, but recommendations stay based on homeowner fit and practical trade-offs.

Device Overview

The Victron VM-3P75CT is an energy meter for Victron-based systems that need fast local measurements without replacing the main conductors. It measures single-phase, split-phase, and three-phase applications, then reports per-phase values through VE.Can or Ethernet.

Energy-Meter Fit

The supplied split-core CTs make it useful where a direct-connected meter is not the right choice. Victron documents 75 A rated current and up to 80 A RMS per phase, with roles including grid metering for ESS, PV-inverter output metering, AC genset metering, AC-load metering, EV-charger tracking, and heat-pump tracking.

Communication And Cloud

The meter can connect locally to a GX device over VE.Can or through Ethernet / Modbus UDP. VRM Portal is useful for remote monitoring, but the core metering path is local. Accuracy class and Home Assistant support are intentionally left blank until field-grade official evidence is verified.

Product Images

Gallery, diagrams, and supporting visuals.

Victron VM-3P75CT Energy Meter official front-angle image — Official Victron product image for the VM-3P75CT energy meter.

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Phase support: Single-phase, split-phase, and three-phase applications.
Installation: Indoor IP20 energy meter installed in AC distribution wiring with supplied split-core CTs.
Measurement: CT-operated energy meter for grid, PV-inverter, AC genset, AC-load, EV-charger, heat-pump, and ESS import/export measurement roles in Victron GX systems.
Max current: 80 A
Current sensing: Supplied split-core current transformers; 3 CTs included; rated current 75 A and up to 80 A RMS per phase in Victron documentation.
Local API: Yes
Cloud dependency: No cloud required for local VE.Can or Ethernet/Modbus UDP metering to a GX device; VRM Portal is optional for remote monitoring.
Solar import/export: Yes
Availability: Global Victron Energy product range through Victron dealers; regional stocking, certifications, and dealer availability vary by market.