Tuya / Wi-Fi
VoltEdge Energy Metering Range
VoltEdge ReferenceVE-EM4321-CT-BI
Three-Phase Indirect Energy Meter
CT-operated DIN-rail multifunction energy meter for three-phase systems, combining flexible current-transformer measurement with Tuya smart connectivity and RS485 Modbus RTU communication.
Metering / FormatIndirect / CT
PhaseThree phase
Connectivity / CommunicationTuya / Wi-Fi + RS485 + Modbus RTU
CT operated · Tuya / Wi-Fi · RS485 Modbus RTU
VE-EM4321-CT-BIProduct image
Product overview
Key features
- External current-transformer measurement
- Supports 1 A / 5 A CT secondary inputs and supported mA / mV transformer outputs
- Tuya / Wi-Fi smart monitoring
- RS485 communication with Modbus RTU
- Bidirectional active and reactive energy measurement
- Multi-tariff energy measurement
- Voltage and current total harmonic distortion measurement
- DIN-rail mounting in a 4-module format
Technical specifications
- VoltEdge reference
- VE-EM4321-CT-BI
- Metering architecture
- Indirect / external CT
- Phase
- Three phase
- CT input
- 1 A / 5 A and supported mA / mV transformer outputs
- Connectivity
- Tuya / Wi-Fi + RS485
- Protocol
- Modbus RTU
- RS485 baud rate
- 1200–38400 bps
- Mounting
- TH35 DIN rail, 4-module width
- Dimensions
- 72 × 100 × 66 mm
Application guidance
Typical applications
Final product selection should follow the product documentation and the electrical requirements of the installation.
01Commercial and industrial distribution boards
02CT-based three-phase energy monitoring
03Building-management and automation systems
04Electrical panels where direct current routing through the meter is not appropriate
Technical documentation
Technical Resources
Access the technical documents for VE-EM4321-CT-BI, including installation, operating and communication information where applicable.
Product support
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