Three-phase electric energy meter | power monitoring device | 3×230/400V | Class 0.5 | LED display | RS485 + Ethernet | Rayfull

Technical Specifications

Model: TC55M-TCP
Type: Three-phase multifunction electric energy meter
Energy measurement range: 0 – 99,999,999 kWh
Phases: 3-phase
Wiring systems: 1P2W / 2P3W / 3P3W / 3P4W
Dimensions: 100 × 72 × 66 mm
Display: Digital LED
Operating temperature: −25 °C … +55 °C
Origin: China
Rated voltage: 3×230 VAC (L-N) / 400 VAC (L-L)
Voltage measurement range: 30–300 VAC (L-N); 30–500 VAC (L-L)
Current input (CT): CT2: 1A / 5A (default), 100 mA / mV (optional); CT1: 1 – 9999 A
Power supply: 80–300 VAC / 100–420 VDC
Frequency: 45–65 Hz

Functions

Three-phase energy measurement
Bidirectional energy metering (import / export)
Measurements: V, A, W, kWh, PF, Hz
RS485 Modbus RTU and Ethernet Modbus TCP/IP
TCP ↔ RTU gateway function
Support for 1A / 5A current transformers
LED display, high accuracy class 0.5 / 0.5S

Applications

Home users: Accurate monitoring of three-phase power consumption, import/export metering for solar or other energy sources, integration with smart home or energy monitoring systems
Electricians: Universal solution for switchboards and distribution systems, flexible CT selection (1A / 5A / mV), fast integration via RS485 or Ethernet
Engineers / designers: Suitable for BMS, EMS, SCADA, and IoT solutions, Modbus TCP/IP communication without additional converters, gateway functionality

Pros

High accuracy class 0.5 / 0.5S
RS485 + Ethernet in one device
Bidirectional energy measurement
Wide CT compatibility
Compact dimensions
Suitable for IoT and smart systems
Fast response time (<100 ms)

Cons

External current transformers required
No built-in Wi-Fi (can be solved via Ethernet or router)