2. Introduction
The Victron VM-3P75CT energy meter is a standard device to measure the power and energy of single- and three-phase applications and calculates each phase's power values and broadcasts this over VE.Can or Ethernet with a high rate.
It has built-in Ethernet and VE.Can ports for connecting to a GX device and the split-core current transformers enable easy and quick installation without modifying existing wiring.
The energy meter works out of the box (the firmware may need to be updated; details can be found in the Firmware Updates chapter) as a grid meter for systems with a MultiPlus and Quattro. Configuration (via VictronConnect) is only required for changing the role and manual IP configuration rather than the default DHCP.
Its data is displayed on a GX device such as the Cerbo GX or Ekrano GX , as well as in VictronConnect and our VRM Portal.
2.1. Features
Capable of measuring up to 80Arms (Amps root mean square) per phase (but rated at 75A)
Modbus/UDP communication over Ethernet
Split-core current transformers for easy installation without modifying the existing wiring
Uses vector registration method (the vectors of each phase L1, L2 and L3 are summed)
Status LED can be configured as LED pulse counter for quick diagnostics at a glance
The VM-3P75CT can be configured for four different roles in a GX device, such as the Cerbo GX or the Ekrano GX:
As a Grid meter and used as control input for an Energy Storage System (ESS)
To measure the output of a PV Inverter
To measure the output of an AC Genset
As an AC meter to measure a dedicated AC load circuit
It offers two options for connecting to a GX device:
A wired ethernet connection to a local network via its built-in Ethernet port so the GX device can reach it.
A wired VE.Can connection via the onboard VE.Can port directly to the GX device.
2.2. What's in the box?
Victron VM-3P75CT with 3 input terminal blocks |  |
3x Split-core current transformer, wired ready for connection Wire length: 640mm (25.3in) |  |
VE.Can terminators (2 pcs) |  |