Bidirectional WiFi Energy Meters with CT Clamp & DIN Rail
—Products Overview—
OWON smart power meters enable real-time monitoring of power consumption and energy production.
Model : PC 311
Single-Phase Power Meter with 16A Dry Contact Relay
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(Home Assistant Supported)
Model : CB432
Single-Phase Power Meter with 63A Relay
Main Features & Specs:
√ Dimension: 82mm x 36mm x 66mm
√ Installation: Din-rail
√ Max Load Current: 63A
√ Single Break: 63A
√ Measures Real-time Voltage, Current, Power Factor, Active Power and Frequency
√ Compatible with Single-Phase System
√ Tuya Compatible or MQTT API for Integration(Home Assistant Supported)
Model : PC 472 / PC 473
Single-Phase / 3-Phase Power Meter with 16A Dry Contact 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
√ Tuya Compatible or MQTT API for Integration(Home Assistant Supported)
Model : PC 321
3-Phase / Split-Phase 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
√ Tuya Compatible or MQTT API for Integration(Home Assistant Supported)
Model : PC 341 - 2M16S
Split-Phase+Single-Phase Multi-Circuit Power Meter
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(Home Assistant Supported)
Model : PC 341 - 3M16S
3-Phase+Single Phase Multi Circuit Power Meter
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.
√ Tuya Compatible or MQTT API for Integration(Home Assistant Supported)
About Us
For over 30 years, OWON Smart has been the trusted Chinese manufacturing partner for global brands and system integrators in the energy management sector. We specialize in smart power meters and energy monitoring solutions, delivering market-ready products through comprehensive OEM/ODM services.For Brands & OEM Partners: Customize every aspect of your energy monitoring solution - from hardware specifications and accuracy classes to communication protocols (Wi-Fi, Zigbee, Lora,4G) and cloud platform integration. We help you develop unique, branded products that create competitive advantage in your market. For Distributors & System Integrators: Access our complete portfolio of high-precision energy meters.Benefit from reliable bulk supply, competitive pricing, and technical support that protects your project margins and ensures successful deployments.
30+ years IoT device Original Design Manufacturer
ISO 9001 : 2015 Certified
OEM/ODM branding & bulk supply
Smart power meter installation scenes
PC 341-Multi Circuit Power Meter Wifi
PC 311-Single Phase Wifi Energy Meter
PC 321- 3 Phase Energy Meter
FAQs
Q: Can this WiFi energy meter monitor solar generation and support anti-export control?
A: Yes. The meter supports bidirectional energy measurement, allowing you to monitor both solar production and power consumption in real time. It can be used in solar PV monitoring, net metering and anti-export systems.
Q: Can the energy meter integrate with energy management systems?
A: Yes. The meter supports Open API and MQTT, making it easy to integrate with EMS, BMS and IoT platforms for real-time energy monitoring and automation.
Q: Is the WiFi energy meter easy to install?
A: Yes. The meter supports DIN rail or CT clamp installation, allowing quick deployment in residential and commercial electrical panels.