Monitoring Device
Energy Meter
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M1-40/M3-40/M3-40-Dual | Energy Meter DDSU666 5(80)A | Energy Meter DTSU666 5(80)A | Energy Meter DDSU666-CT 200A/5A | Energy Meter DTSU666-CT 200A/5A
The SolaX Meter range—including M1-40, M3-40, and M3-40-Dual—is designed for easy integration into residential and commercial energy systems. With support for 1-phase and 3-phase wiring (3P3W/3P4W), and voltage compatibility from 220V to 415V, these meters offer a flexible plug-and-play CT solution.
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Product Advantage
SolaX Meters provide advanced remote configuration through the SolaXCloud, intelligent phase and CT direction adjustment, and a rapid 50ms refresh rate for high-precision data capture. Electrical isolation between strong and weak current paths ensures maximum safety.
Easy Installation & Configuration
Plug-and-play CT solution for easy installation
Supports remote settings via SolaXCloud APP
Intelligent phase sequence and CT direction adjustment, automatically resolving installation issues
Performance & Control
50ms high refresh rate for more precise and faster control
Capable of monitoring power from both the grid and third-party inverters simultaneously
Safety & Reliability
Separates strong and weak currents for enhanced security
Product Parameters
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M3-40-Dual-
ELECTRICAL SPECIFICATIONS
Power grid type 3P3W / 3P4W Rated voltage 3 × 57.7 / 100 V ~ 3 × 240 / 415 V Operating voltage 50 V ~ 480 V Current *A / 40 mA Frequency 45 Hz ~ 65 Hz Frequency tolerance 0.01 Hz Power consumption < 1.2 W -
MEASUREMENT & ACCURACY
Recommended CT specification 100 A / 40 mA, 200 A / 40 mA, 400 A / 40 mA, 600 A / 40 mA, 1000 A / 40 mA, 1500A / 40mA, 2000A / 40mA Measurement accuracy class Voltage and current: Class 0.5, Active power: Class 1,
Reactive power: Class 2
Resolution requirement Active power: 0.1 W, Frequency: 0.001 Hz -
ENVIRONMENTAL ADAPTABILITY
Operating temperature -40°C~70°C Operating humidity ≤95% RH (non-condensing) Operating altitude < 4000 m -
MECHANICAL & INSTALLATION
Dimensions (W × H × D) 72 mm × 100 mm × 65.5 mm Degree of protection IP20
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M3-40
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ELECTRICAL SPECIFICATIONS
Power grid type 3P3W / 3P4W Rated voltage 3 × 220 / 380 V ~ 3 × 240 / 415 V Operating voltage 100 V ~ 280 V Current *A / 40 mA Frequency 45 Hz ~ 65 Hz Frequency tolerance 0.01 Hz Power consumption < 1.5 W -
MEASUREMENT & ACCURACY
Recommended CT specification 100 A / 40 mA, 200 A / 40 mA, 400 A / 40 mA, 600 A / 40 mA, 1000 A / 40 mA, 1500A / 40mA, 2000A / 40mA Measurement accuracy class Voltage and current: Class 0.5, Active power: Class 1,
Reactive power: Class 2
Resolution requirement Active power: 0.1 W, Frequency: 0.001 Hz -
ENVIRONMENTAL ADAPTABILITY
Operating temperature -40°C~70°C Operating humidity ≤95% RH (non-condensing) Operating altitude < 4000 m -
MECHANICAL & INSTALLATION
Dimensions (W × H × D) 45 mm × 100 mm × 65.5 mm Degree of protection IP20
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M1-40
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ELECTRICAL SPECIFICATIONS
Power grid type 1P2W Rated voltage 220 V ~ 240 V Operating voltage 100 V~288 V Current *A / 40 mA Frequency 45 Hz ~ 65 Hz Frequency tolerance 0.01 Hz Power consumption < 1.2 W -
MEASUREMENT & ACCURACY
Recommended CT specification 100 A / 40 mA, 200 A / 40 mA, 400 A / 40 mA, 600 A / 40 mA, 1000 A / 40 mA, 1500A / 40mA, 2000A / 40mA Measurement accuracy class Voltage and current: Class 0.5, Active power: Class 1,
Reactive power: Class 2
Resolution requirement Active power: 0.1 W, Frequency: 0.001 Hz -
ENVIRONMENTAL ADAPTABILITY
Operating temperature -40°C~70°C Operating humidity ≤95% RH (non-condensing) Operating altitude < 4000 m -
MECHANICAL & INSTALLATION
Dimensions (W × H × D) 18 mm × 100 mm × 65.5 mm Degree of protection IP20
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Data Download
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Datasheet
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User Manual
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Quick Installation Guide
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