Three Phase Energy Meter 120A with WiFi Tuya – Consumption and Export Measurement WPC-120A
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WPC-120A - three-phase energy consumption meter operating with the Tuya application
A device for measuring energy for each of the three phases. Current is measured wirelessly using current transformers, allowing safe measurement without interfering with the existing installation. Wifi communication provides access to measurements from anywhere in the world, and the parameters read by the meter such as voltage, current, power consumption can be used to control other devices.
Features of the WPC-120A meter:
- Voltage measurement,
- Current measurement,
- Measurement of current power consumed by consumers
- Counting of consumed electricity for individual phases as well as total energy
- Power factor measurement
- Cooperation with Tuya application
- Possibility of using measured values to create scenes and control other Tuya devices
- Measurement history of up to 365 days
The device can operate in a 3-phase installation and measure consumption for each phase or in a single-phase installation and measure energy consumption for 3 separate circuits.
The module measures the current flow in one direction only, it does not allow the measurement of energy returned to the grid.
The following parameters can be used to create scenes:
- Voltage on each phase - set separately by less.
- Current power consumed on each phase - set separately lower and higher.
- Energy consumed on each phase - set separately lower and higher.
- Power factor for each phase
Specifications
- Power supply: AC110-230V ±10%, 50/60Hz
- Three 120A current transformers included (inner diameter of transformer: (15mm)
- Operating temperature: 0°C to + 40°C
- Power consumption of the device: < 1 W
- Intelligent on/off switching
- Local and remote control
- WiFi: 802.11 b/g/n 2.4GHz
- Radio signal power: 1mW
- External Wifi antenna provides coverage in hard-to-reach areas
- DIN rail mounting possible
- Size: 86mm x 86mm x 37mm
- Colour: White

Connection method for 3-phase installation
Connection method in 1-phase installation
Kit contents:
- Measuring module including 3 120A transformers
- External Wifi antenna
- Hanger for wall mounting
Installation of the PC321-TY WPC-80A and quick function overview