▶Main Features
· Wi-Fi + Bluetooth 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
· External antenna prevents signal from being shielded
· Support Single Phase, Split Phase, 3-Phase 4-Wire electricity system
· Measure Real-time Voltage, Current, Power Factor, Active Power and Frequency
· Supports bidirectional energy measurement for energy consumption and solar power production.
· Supports three external CT clamps for multi-phase and multi-circuit energy monitoring.
· Tuya compatible or MQTT API integration, compatible with Amazon Alexa, Google Home, Apple Homekit and Home Assistant systems
▶Applications
• Residential energy monitoring
• Commercial building energy monitoring
• Solar PV monitoring
• HVAC and equipment energy monitoring
• EMS/BMS integration through MQTT API
▶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.
▶ MQTT Integration with Private Servers and Home Assistant
The MQTT version of the PC321 supports seamless integration with private servers, Energy Management Systems (EMS), Building Management Systems (BMS), and open-source platforms such as Home Assistant and OpenHAB. By connecting the meter to your local network, users can monitor real-time voltage, current, power, frequency, and energy consumption without relying on third-party cloud services, making it ideal for OEM projects, industrial monitoring, and custom IoT applications.
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 750A, 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.
|
Connectivity
|
|
|
Wi-Fi
|
• 802.11 b/g/n @2.4GHz
|
|
BLE
|
• For Pairing
|
|
RF Characteristics
|
• Operating frequency: 2.4GHz
• External magnetic antenna
|
|
Physical Specifications
|
|
|
Operating Voltage
(RMS for each phase)
|
• 90~277 Vac 50/60Hz
|
|
Supported Systems
|
• Single-Phase
• Split-Phase
• Three-Phase up to 480Y/277VAC
(No Delta/wye/Y/Star Connection)
|
|
Voltmeters Accuracy
|
• ±1%
|
|
Ammeters Accuracy
|
• 80A CT: ±1%（1-80A），±2%（0-1A）
• 120A CT: ±1%（2-120A），±2%（0-2A）
• 200A CT: ±1%（2-200A），±2%（0-2A）
• 300A CT: ±1%（6-300A），±2%（2-6A），±5%（0-2A）
• 500A CT: ±1%（6-500A），±2%（2-6A），±5%（0-2A）
• 750A CT: ±1%（6-750A），±2%（2-6A），±5%（0-2A）
|
|
Clamp Inner
Dimension
|
• 80A (default): Ø10mm
• 120A(optional): Ø16mm
• 200A(optional): Ø20mm
• 300A(optional): Ø24mm
• 500A(optional): Ø36mm
• 750A(optional): Ø51mm
|
|
Reporting Cycle
|
• Every 15 seconds
|
|
Operating
environment
|
• Temperature: -20 ℃~+55 ℃
• Humidity: ≤ 90% non-condensing
|
|
Mount Type
|
• Wall mounting (default)
• DIN rail mounting (optional)
|
|
Dimension
|
• 86(W) x 37(D) x 86(H)mm
|
|
Certification
|
•CE
|
