3‑Phase WiFi Smart Power Meter with CT Clamp -PC321

Main Feature:

The PC321 is a 3-phase WiFi energy meter with CT clamps for 80A–1000A loads. It supports bidirectional monitoring, solar PV systems, HVAC equipment, compatible with TUYA platform or MQTT integration for residential and commercial energy management.

Model: PC321-TY

Dimension: 86*86*37mm

Weight: 600g

Certification: CE,RoHS

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Product Detail

Main Spec

Product Tags

▶Main Features & Specs

· Wi-Fi + BLE connection
· Dimension: 86 mm × 86 mm × 37 mm
· Installation: Screw-in Bracket or Din-rail Bracket
· CT Clamp Available at: 80A, 120A, 200A, 300A, 500A, 750A,1000A
· External Antenna(Optional)
· Support 3-Phase, Split-Phase, and Single-Phase System
· Measure Real-time Voltage, Current, Power Factor, Active Power and Frequency
· Support Bi-directional Energy Measurement (Energy Usage/Solar Power Production)
· Three Current Transformers for Single-Phase Application
· Tuya compatible or MQTT API integration, compatible with Amazon Alexa, Google Home, Apple Homekit and Home Assistant systems

▶Applications
·  Real-time monitoring of electrical circuits, phases, and energy consumption
·  Sub-metering for building energy monitoring and multi-circuit analysis
·  Suitable for residential, commercial, and solar energy monitoring applications
·  MQTT integration for BMS / Smart bulding system.

▶Certifications & Reliability
The PC321 smart energy meter is designed for residential and commercial environments, featuring wide voltage power supply, long-term stable online operation, and accurate data monitoring. It complies with typical European standards and is CE and RoHS certified, with additional certifications available upon request from ODM clients.

▶PC321 Wifi Smart Power meter Wiring Video

▶Flexible Installation for Multiple Power Systems

The PC321 WiFi Smart Energy Meter supports multiple electrical system configurations, including single-phase, split-phase, and three-phase installations.

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FAQ:

Q1.Does the Smart Power Meter(PC321) support both single-phase and three-phase systems?
→ Yes, it supports Single Phase/Split Phase/Three Phase power monitoring, making it flexible for residential and commercial projects.
Q2.What CT clamp ranges are available?
→ The PC321 works with CT clamps from 80A up to 1000A, suitable for HVAC, solar, and EV energy management applications.
Q3.Is this Wifi Energy meter Tuya-compatible?
→ Yes, it fully integrates with Tuya IoT platform for remote monitoring and control.
Q4.Can PC321 integrate with BMS/EMS through MQTT?
→ Yes.The MQTT version supports custom integration with third-party IoT platforms.
Q5.Does PC321 support bidirectional metering?
→ Yes. It measures both energy import and export, ideal for solar PV systems.

Wi-Fi	802.11 B/G/N20/N40
RF Characteristics	• Operating frequency: 2.4GHz • External antenna • Output Power: Up to +20dBm
Operating Voltage	100~240 Vac 50/60 Hz
Calibrated Metering Accuracy	• ≤ 100W Within ±2W • >100W Within ±2%
Reporting Cycle	Every 2 seconds
Clamp diameter	• 80A (default): 10.6mm • 120A (optional): 16.7mm • 200A (optional): 21.1mm • 300A (optional): 25.1mm • 500A (optional): 36.7mm • 750A (optional): 51.3mm • 1000A (optional): 51.3mm
Operating environment	•Temperature:-20 ℃~+55 ℃ •Humidity: ≤ 90% non-condensing
Dimension	86(L) x 86(W) x 37(H) mm