Three-phase energy meter | power meter | 4 tariffs | Class 0.5 accuracy | digital LED display | adjustable CT connection | RS485 Modbus | Rayfull

Technical Specifications

Manufacturer / model: Rayfull TC55MT
Number of phases: Three-phase (1P2W / 3P3W / 3P4W)
Accuracy class: 0.5
Energy measurement range: 0–99,999,999 kWh
Measured parameters: Voltage (V); Current (A); Active power (W); Reactive power (Var); Active energy (kWh); Reactive energy (kVarh); Power factor (PF)
Energy measurement: Bidirectional (import / export)
Tariffs: 4 tariffs, 8 time zones
Current inputs: 1A / 5A CT or mV / mA (CT/RC)
Communication: RS485, Modbus RTU / DLT645-2007
Additional functions: CT polarity (reverse-connection) correction; Pulse output
Display: Digital LED
Rated voltage: 220 V
Operating temperature: −25 °C … +55 °C
Dimensions: 100 × 72 × 66 mm
Country of origin: China (Zhejiang)

Functions

Accurate three-phase energy and power measurement
Bidirectional energy metering (suitable for solar PV and energy storage systems)
Multi-tariff operation based on time-of-use
Data transmission to building or industrial control systems
LED display for fast local parameter monitoring
Adjustable CT connection – reduced installation errors

Applications

Home user: Household energy consumption analysis, monitoring of solar PV generation and consumption, energy-saving solutions and tariff-based cost control
Electrician: Reliable solution for new or refurbished installations, flexible CT connection (1A / 5A / mV / mA), clear LED display for testing and commissioning
Engineer / designer: Integration into BMS, SCADA, IoT systems via RS485 Modbus, suitable for industrial, telecom and energy facilities, advanced power and energy analysis

Pros

High Class 0.5 accuracy
Bidirectional energy measurement
4 tariffs and 8 time zones
RS485 Modbus RTU communication
Wide application range (residential, industrial, IoT)
CT connection error correction

Cons

Current transformers (CT) required – not included
Digital display only (no graphical interface)