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UNITS A-V-400Y-3MTR-SE (SolarEdge Energy Meter with Modbus Connection) — is a high-precision three-phase energy monitor designed to measure energy consumption and generation parameters in systems with SolarEdge inverters. The module supports Modbus RS485 for bidirectional data exchange with the inverter or energy management controller.
The device provides accurate readings of generated and consumed electricity, which are necessary for grid export limitation functions and remote monitoring via the SolarEdge platform. Its compact size allows for easy integration into standard electrical panels in both residential and commercial or industrial projects.
Key Benefits
- Support for energy import/export metering: allows for accurate determination of energy fed into or drawn from the grid.
- Modbus RS485 support: reliable data exchange with SolarEdge inverters.
- Wide voltage range: from 207 to 440 V (line-to-line) or from 108 to 305 V (line-to-neutral).
- Wide range of applications: for residential, commercial, and industrial systems.
- Compact design: easily mounted on a DIN rail or flat surface, takes up minimal space.
- Supports various current transformers (CTs): 70A, 100A, 250A, 1000A, 1200A, 2000A, 3000A.
- High reliability: UL, IEC, CSA, and RoHS certified; operating temperature range from –40°C to +85°C.
Technical Specifications
- Rated voltage: 230–400 V AC (line-to-line) / 120–277 V AC (line-to-neutral).
- Voltage range: 207–440 V (line-to-line), 108–305 V (line-to-neutral).
- Mains frequency: 45–65 Hz.
- Number of CT inputs: 3 (one per phase).
- CT input signal: 333 mV RMS.
- Communication interface: RS485 (half-duplex, 3 wires: A, B, GND).
- Baud rate: 9600 bps (Modbus).
- Line impedance: 120 Ω.
- Accuracy at 25°C, PF=1: ±1.25% at 1–100% of rated current.
- Power consumption: ≤3 W.
- Protection class: IP20 (for indoor use).
- Dimensions: 75 × 138.6 × 35 mm.
- Weight: 225 g.
- Operating temperature: from –40°C to +85°C.
- Humidity: 5–90% non-condensing.
- Mounting: DIN rail or wall mount.
Design features
- Compatibility with SolarEdge inverters: full integration for systems with power export limitation.
- Easy connection: screw terminals for phases L1, L2, L3, N, PE.
- Visual diagnostics: LED indicators for grid status and Modbus communication.
- Protection: Electrical isolation between lines and the RS485 communication interface.
- Minimal power consumption: Less than 3 W at full load.
Applications
UNITS A-V-400Y-3MTR-SE is used in SolarEdge solar systems for accurate monitoring of energy production and consumption, export limitation control, and load balancing. Ideal for industrial, commercial, and residential installations.
Total Energo — Official SolarEdge Integrator
The company “Total Energo” supplies, installs, and configures UNITS A-V-400Y-3MTR-SE energy meters for SolarEdge systems. We provide full integration with inverters and remote monitoring via the SolarEdge Monitoring Portal.