SolaX M3-40 Three-Phase Energy Meter (with 100 A CTs)

The SolaX M3-40 three-phase energy meter provides precise measurement of grid parameters with a refresh rate of 50 ms. The device is supplied complete with NCTK-16 current transformers rated at 100 A / 40 mA.

The SolaX M3-40 model is a three-phase energy meter designed for operation in 3P3W and 3P4W systems. The device features high measurement accuracy, classified as Class 1 for active power and Class 0.5 for voltage and current parameters. A built-in intelligent system automatically resolves installation issues by correcting phase sequence and current transformer connection direction. Data transmission from the device is carried out wired via the RS485 interface or wirelessly using the Wi-BR solution.

Key features

• 50 ms refresh rate ensuring fast control
• Plug-and-play system with included 100 A current transformers
• Supports remote configuration via the SolaX Cloud app
• Automatic adjustment of phase sequence and CT direction
• Physical separation of strong and weak currents to improve safety

Technical specifications

Grid connection type	3P3W / 3P4W
Rated voltage	3 × 220 / 380 V ~ 3 × 240 / 415 V
Included CT current	100 A / 40 mA
Active power measurement accuracy class	Class 1
Voltage and current measurement accuracy class	Class 0.5
Power consumption	< 1.5 W
Frequency range	45 Hz ~ 65 Hz
Operating temperature range	-40°C ~ 70°C
Protection degree	IP20
Dimensions (W × H × D)	45 mm × 100 mm × 65.5 mm