WIFI Smart Power Meters
OEM/ODM Ready • Bulk Supply for Distributors & Integrators • Not for Billing
— Product Series —
smart energy meter / Wifi power meter clamp / Smart power monitor / Wifi energy meter / Wifi energy monitor / Zigbee power meter / Modbus energy meter
Model : PC 311
Single-Phase Power Meter
Main Features & Specs:
√ Dimension: 46.1mm x 46.2mm x 19m
√ Installation: Sticker or Din-rail Bracket
√ CT Clamps Available at: 20A, 80A, 120A, 200A, 300A
√ 16A Dry Contact Output（Optional）
√ Supports Bidirectional Energy Measurement
(Energy Usage / Solar Power Production)
√ Measures Real-time Voltage, Current, Power Factor, Active Power and Frequency
√ Compatible with Single-Phase System
√ Tuya Compatible or MQTT API for Integration
Main Features & Specs:
√ Dimension: 82mm x 36mm x 66mm
√ Installation: Din-rail
√ Max Load Current: 63A（100A Relay）
√ Single Break: 63A（100A Relay）
√ Measures Real-time Voltage, Current, Power Factor, Active Power and Frequency
√ Compatible with Single-Phase System
√ Tuya Compatible or MQTT API for Integration
Model : PC472 / PC473
Din Rail Energy Meter with Relay
Main Features & Specs:
√ Dimension: 90mm x 35mm x 50mm
√ Installation: Din-rail
√ CT Clamps Available at: 20A, 80A, 120A, 200A, 300A, 500A, 750A
√ Internal PCB Antenna
√ Compatible with Three-Phase, Split-Phase, and Single-Phase System
√ Measures Real-time Voltage, Current, Power Factor, Active Power and Frequency
√ Supports Bidirectional Energy Measurement (Energy Usage / Solar Power Production)
√ Three current transformers for single-phase application
Model : PC321
3-Phase Smart Power Meter
Main Features & Specs:
√ Dimension: 86mm x 86mm x 37mm
√ Installation: Screw-in Bracket or Din-rail Bracket
√ CT Clamps Available at: 80A, 120A, 200A, 300A, 500A, 750A
√ External Antenna (Optional)
√ Compatible with Three-Phase, Split-Phase, and Single-Phase System
√ Measures Real-time Voltage, Current, Power Factor, Active Power and Frequency
√ Supports Bidirectional Energy Measurement (Energy Usage / Solar Power Production)
√ Three current transformers for single-phase application
Main Features & Specs:
√ Three-Phase / Single-Phase System Compatible
√ Supported Systems:
- Single-Phase 240Vac, Line-neutral
- Three-Phase up to 480Y/277Vac
(No Delta/wye / Y/Star Connection)
√ Main CTs for the Mains: 200A x 3pcs (300A/500A Optional)
√ Sub CTs for Each Circuits: 50A x 16pcs (plug & play)
√ Real-time Bidirectional Energy Measurement (Energy Usage / Solar Power Production)
√ Accurately monitor up to 16 individual circuits with 50A Sub CTs, such as air conditioners, heat pumps, water heaters, stoves, pool pump, fridges, etc.
Main Features & Specs:
√ Split-Phase / Single-Phase System Compatible
√ Supported Systems:
- Single-Phase 240Vac, Line-neutral
- Split-Phase 120/240Vac
√ Main CTs for the Mains: 200A x 2pcs (300A/500A Optional)
√ Sub CTs for Each Circuits: 50A x 16pcs (plug & play)
√ Real-time Bidirectional Energy Measurement (Energy Usage / Solar Power Production)
√ Accurately monitor up to 16 individual circuits with 50A Sub CTs, such as air conditioners, heat pumps, water heaters, stoves, pool pump, fridges, etc.
√ Tuya Compatible or MQTT API for Integration
Main Features & Specs:
✔ Three-Phase / Split-Phase / Single-Phase Compatible
✔ CT Clamp Based Measurement (Up to 3 CT Inputs)
✔ Bidirectional Energy Monitoring (Import / Export)
✔ Voltage、Current、PowerFactor、Frequency、ActivePower、ReactivePower、ApparentPower
✔ Ethernet (10/100 Mbps) + WiFi Connectivity
✔ Tuya compliant. Support automation with other Tuya device by export and import of grid or other energy values
✔ Home/Residential Energy Monitoring Device
✔ Solar PV & Energy Storage Compatible
✔ Historical data could be displayed and exported in App
Main Features & Specs:
✔ Supports both Wi-Fi wireless and RS485 wired communication
✔ Compatible with three-phase four-wire, single-phase, and split-phase power systems
✔ Real-time energy consumption monitoring via three clamp-on CTs
✔ Real-time monitoring of voltage, current, power factor, frequency, active power, reactive power, and apparent power
✔ Supports bidirectional monitoring: import/export active power and energy consumption/generation
✔ Wi-Fi communication supports HTTP, MQTT, and Modbus TCP protocols
✔ RS485 communication supports the Modbus RTU protocol
About Us
We are a Chinese manufacturing company with over 30 years of experience, specializing in export-oriented OEM/ODM services since our founding. With a comprehensive system and comprehensive equipment, we have accumulated extensive experience working with major international clients. We prioritize innovation, service, and quality assurance. We have over a decade of experience in smart energy meter and energy solutions, and our products are widely recognized for their design and reliability.Support bulk order, fast lead time, and tailored integration for energy service providers and system integrators.
30+ years IoT device Original Design Manufacturer
ISO 9001 : 2015 Certified
OEM/ODM branding & bulk supply
Designed For Professionals
OEM/ODM
Customizable appearance, protocols, and packaging
Distributors / Wholesalers
Stable supply and competitive pricing
Contractors
Fast deployment and reduced labor
System Integrators
Compatible with BMS, solar, and HVAC platforms
Application Solutions
FAQs
Q: Are these wifi power meters for billing?
A: No. OWON WiFi power meters are designed for real-time energy monitoring, energy management, and IoT applications. They are not intended as certified utility billing meters unless otherwise specified.
Q: Do you support OEM branding?
A: Yes. We provide flexible OEM/ODM services, including logo printing, firmware customization, packaging design, cloud platform integration, and hardware modifications for volume projects.
Q: Can your CT clamps be customized?
A: Customization is supported.From 20A to 1000A, suitable for residential and commercial projects.
Q: Which IoT platforms and protocols are supported?
A: Support varies by model. Our smart power meters can support Tuya Cloud, MQTT, HTTP, Modbus TCP, and Modbus RTU for integration with EMS, BMS, Home Assistant, and custom IoT platforms. Cloud API is also available for selected OEM/ODM projects.