Main Features:
• Supports integration with Tuya App and MQTT API platforms
• Compatible with Amazon Alexa, Google Assistant, Apple HomeKit, and Home Assistant, and supports integration with BMS/EMS systems
• Supports single-phase electrical systems
• Measures real-time voltage, current, power factor, active power, and frequency
• Supports bidirectional measurement of energy consumption and energy production
• Provides historical data tracking and data export
• Supports adhesive mounting or DIN rail bracket installation.
• Supports dual-channel measurement using two split-core CT clamps.
Typical Use Cases：
Single Phase Wifi power meter (PC311) is ideal for energy professionals, system integrators, and equipment manufacturers, the PC311 supports the following applications:
• Residential energy monitoring for smart home applications
• Energy monitoring for small commercial buildings and electrical equipment.
• EV charging energy monitoring in residential environments
• Solar inverter output monitoring for renewable energy systems
Installation Scenarios：
PC311 WI-FI Single Phase Energy Meter Wiring Diagram
The PC311 supports flexible installation for single-phase energy monitoring applications. It can be connected to the main incoming line for whole-home energy measurement or installed on individual load circuits or solar PV circuits for dedicated energy monitoring. The dual-channel design allows independent measurement of two circuits using split-core CT clamps without cutting power cables.
FAQs
Q1: What applications is the PC311 best suited for?
A: Designed for residential energy monitoring, solar PV systems, HVAC equipment, EV charging, and OEM projects.
Q2: What CT clamp options are available?
A: The meter supports 20A, 80A, 120A, 200A, and 300A CT clamps, suitable for residential and light commercial applications.
Q3: Can it be integrated with third-party systems?
A: Yes. It supports MQTT API integration for energy management systems and third-party platforms.
Q4: Do you offer OEM/ODM services?
A: Yes. We provide OEM branding, ODM development, and bulk supply for distributors and system integrators.
Q5: How is the device installed?
A: Supports adhesive mounting or installation with the optional DIN rail bracket.
Related reading:
[WiFi Smart Energy Meter CT Selection Guide: How to Choose the Right Clamp]
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Connectivity
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Wi-Fi
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• 802.11 b/g/n @2.4GHz
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BLE
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• For Pairing
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RF
Characteristics
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• Operating frequency: 2.4GHz
• Internal antenna
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Physical Specifications
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Operating
Voltage
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• 90~277 Vac 50/60Hz
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Supported
Systems
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• Single-Phase
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Power
Consumption
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• <2W
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Voltmeters
Accuracy
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• ±1%
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Ammeters
Accuracy
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• 20A CT: ±1%（1-20A），±2%（0-1A）
• 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）
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Clamp Inner
Dimension
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• 20A (optional): Ø5mm
• 80A (default): Ø10mm
• 120A(optional): Ø16mm
• 200A(optional): Ø20mm
• 300A(optional): Ø24mm
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Reporting Cycle
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• Every 15 seconds
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Operating
Environment
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• Temperature: -20 ℃~+55 ℃
• Humidity: ≤ 90% non-condensing
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Mount Type
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• Sticker
• DIN rail Bracket
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Dimension
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• 52(W) x 23(D) x 46(H)mm
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Certification
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•CE
•FCC
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