OWON PC4713-W-485 Open API Smart Energy Meter

Name: OWON PC4713-W-485 Open API Smart Energy Meter
Brand: OWON
SKU: PC4713-W-485

Wi-FiRS485 / EthernetOpen API

Short answer: The OWON PC4713-W-485 is a DIN rail clamp-on smart energy meter for three-phase four-wire, split-phase and single-phase systems with an open API. It communicates over Wi-Fi (HTTP, MQTT, Modbus TCP) and RS485 (Modbus RTU), and can report data to your own cloud server or be read locally without a third-party public cloud.

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Key facts

Type	Clamp-on (CT) smart energy meter, DIN rail mounting
Connectivity	Wi-Fi 802.11 b/g/n at 2.4 GHz (HTTP / MQTT / Modbus TCP) and an RS485 port (Modbus RTU)
Platform / app	Open API; web browser interface on the device (no app required); Home Assistant (HA platform) integration supported
Supported systems	Single-phase, split-phase and three-phase four-wire (3-phase 3-wire and delta systems are not supported)
CT clamps	Three CTs; 120 A (default, Ø16 mm), 80 A, 200 A, 300 A, 500 A and 750 A options
Measurement	Voltage, current, power factor, frequency, active power, reactive power and apparent power; four-quadrant measurement; RMS / PQS metering modes; current demand / maximum demand (optional)
Bidirectional / solar	Yes, bidirectional measurement of energy usage and solar production
Relay	No relay output is listed on the datasheet
Accuracy	Voltage ±1%; current ±1% in the main range of each CT (see the CT table below)
Power supply	Power consumption below 2 W
Mounting	35 mm DIN rail; 19 (W) × 69 (D) × 90 (H) mm

Features

Open API: Wi-Fi (HTTP / MQTT / Modbus TCP) and RS485 (Modbus RTU) communication
Three-phase four-wire, split-phase and single-phase systems
Monitors whole-home energy with three current transformers
Real-time voltage, current, power factor, frequency, active, reactive and apparent power
Bidirectional measurement: energy usage and solar production
Four-quadrant measurement with RMS / PQS metering modes
Offline storage of minute-level data, reported automatically after the network reconnects
Data erasure, remote reboot, CT setting, phase sequence error alarm and OTA functions
No app required: view real-time data and change settings in a web browser connected to the device
Home Assistant (HA platform) integration supported
Current demand / maximum demand measurement (optional)

Specifications

Wi-Fi	802.11 b/g/n at 2.4 GHz; HTTP / MQTT / Modbus TCP
RS485 port	Modbus RTU
Nominal voltage (Un)	3×230/400 V AC, 50/60 Hz
Voltage range	90–277 V
Supported systems	Single-phase Split-phase Three-phase (3-phase 3-wire and delta systems are not supported)
Power consumption	Below 2 W
Voltage accuracy	±1%
Current accuracy by CT	80 A CT: ±1% (1–80 A), ±2% (0–1 A) 120 A CT: ±1% (2–120 A), ±2% (0–2 A) 200 A CT: ±1% (2–200 A), ±2% (0–2 A) 300 A CT: ±1% (6–300 A), ±2% (2–6 A), ±5% (0–2 A) 500 A CT: ±1% (6–500 A), ±2% (2–6 A), ±5% (0–2 A) 750 A CT: ±1% (6–750 A), ±2% (2–6 A), ±5% (0–2 A)
Clamp inner diameter	80 A (optional): Ø10 mm 120 A (default): Ø16 mm 200 A (optional): Ø20 mm 300 A (optional): Ø24 mm 500 A (optional): Ø36 mm 750 A (optional): Ø51 mm
Data refresh	50 ms
Response time	Max. 50 ms (Modbus RTU)
Report time	Can be set in the integration
Operating environment	-20 °C to +55 °C; humidity ≤ 90% non-condensing
Mounting	35 mm DIN rail
Dimensions	19 (W) × 69 (D) × 90 (H) mm

PC4713 Open Series variants

Model	Wi-Fi	RS485
PC4713-W-485	Yes	Yes
PC4713-W	Yes	No

According to the OWON quick start guide, both variants share the same metering core, measurement accuracy, housing dimensions and power supply parameters.

Applications

Whole-home or whole-building energy monitoring
Solar production and grid import / export monitoring
Sending energy data to your own cloud server through HTTP or MQTT
Local reading over Modbus TCP or Modbus RTU (RS485)
Home Assistant energy dashboards

Notes

Protocol documents for HTTP, MQTT and Modbus TCP / RTU are available from OWON sales on request.
Three-phase three-wire (delta) systems are not supported by this model.

PC4713-W-485 FAQ

What is the PC4713-W-485?

The OWON PC4713-W-485 is a DIN rail clamp-on smart energy meter for three-phase four-wire, split-phase and single-phase systems with an open API. It communicates over Wi-Fi (HTTP, MQTT, Modbus TCP) and RS485 (Modbus RTU), and can report data to your own cloud server or be read locally without a third-party public cloud.

How does the PC4713-W-485 connect?

Connectivity: Wi-Fi 802.11 b/g/n at 2.4 GHz (HTTP / MQTT / Modbus TCP) and an RS485 port (Modbus RTU).

Which electrical systems does the PC4713-W-485 support?

Supported systems: Single-phase, split-phase and three-phase four-wire (3-phase 3-wire and delta systems are not supported).

Which CT clamps does the PC4713-W-485 use?

CT clamps: Three CTs; 120 A (default, Ø16 mm), 80 A, 200 A, 300 A, 500 A and 750 A options.

Can the PC4713-W-485 monitor solar production?

Bidirectional / solar: Yes, bidirectional measurement of energy usage and solar production.

Which app or platform works with the PC4713-W-485?

Platform / app: Open API; web browser interface on the device (no app required); Home Assistant (HA platform) integration supported.

Does the PC4713-W-485 have a relay?

Relay: No relay output is listed on the datasheet.

What is the measurement accuracy of the PC4713-W-485?

Accuracy: Voltage ±1%; current ±1% in the main range of each CT (see the CT table below).

How is the PC4713-W-485 powered?

Power supply: Power consumption below 2 W.

How is the PC4713-W-485 installed?

Mounting: 35 mm DIN rail; 19 (W) × 69 (D) × 90 (H) mm.

How can I get a quotation, samples or protocol documents for the PC4713-W-485?

Email sales@owon.com or message OWON on WhatsApp (+86 13159213403) with your application, country and quantity. OWON sales can send the datasheet, quotation and, where applicable, protocol documents.

Related products

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Guides

PC4713 Open Series vs Tuya Series: Which Smart Energy Meter Should You Choose?Compare the OWON PC4713 Open Series (HTTP, MQTT, Modbus TCP, RS485) with the PC4713 Tuya Series (Smart Life app, Ethernet, relay) to choose...
Monitoring Solar Production and Grid Usage with Clamp-On Smart Energy MetersHow bidirectional smart energy meters track grid import, export and solar production, and which OWON meters list this function on their...
Single-Phase vs Three-Phase Smart Energy MetersLearn the difference between single-phase, split-phase and three-phase energy monitoring, and which smart meter type fits a home, building...

Solutions using this product

Protocols: Wi-Fi, RS485 / Ethernet, Open API

Last updated: 6 November 2026. Source: OWON datasheet PC4713-W-485 (260818) and PC4713 Open Series quick start guide (260818).

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