OWON PC321-W-TY/N Wi-Fi Single / 3-Phase Power Clamp

Wi-FiTuya
Short answer: The OWON PC321-W-TY/N is a Tuya-compliant Wi-Fi power clamp meter for three-phase, split-phase and single-phase systems. It uses three clamp CTs, has an external magnetic antenna for better signal, and is wall mounted by default with DIN rail mounting optional.

Request a quotationWhatsApp

Key facts

TypeClamp-on (CT) power meter, wall or DIN rail mounting
ConnectivityWi-Fi 802.11 b/g/n at 2.4 GHz, with BLE for pairing and an external magnetic antenna
Platform / appTuya compliant (automation with other Tuya devices by exporting and importing grid or other energy values)
Supported systemsSingle-phase, split-phase and three-phase up to 480Y/277 VAC (the datasheet notes: no Delta / wye / Y / Star connection)
CT clampsThree CTs; 80 A (default, Ø10 mm), 120 A, 200 A, 300 A, 500 A and 750 A options
MeasurementVoltage, current, power factor, active power and frequency
Bidirectional / solarYes, bidirectional measurement of energy usage and solar production
RelayNo relay output is listed on the datasheet
AccuracyVoltage ±1%; current ±1% in the main range of each CT (see the CT table below)
Power supplyPower consumption below 2 W
MountingWall mounting (default) or DIN rail mounting (optional); 86 (W) × 37 (D) × 86 (H) mm
CertificationCE

Features

Specifications

Wi-Fi802.11 b/g/n at 2.4 GHz
BLEFor pairing
RF characteristics
  • Operating frequency: 2.4 GHz
  • External magnetic antenna
Operating voltage (RMS per phase)90–277 Vac, 50/60 Hz
Supported systems
  • Single-phase
  • Split-phase
  • Three-phase up to 480Y/277 VAC (no Delta / wye / Y / Star connection)
Power consumptionBelow 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 (default): Ø10 mm
  • 120 A (optional): Ø16 mm
  • 200 A (optional): Ø20 mm
  • 300 A (optional): Ø24 mm
  • 500 A (optional): Ø36 mm
  • 750 A (optional): Ø51 mm
Reporting cycleEvery 15 seconds
Operating environment-20 °C to +55 °C; humidity ≤ 90% non-condensing
Mounting
  • Wall mounting (default)
  • DIN rail mounting (optional)
Dimensions86 (W) × 37 (D) × 86 (H) mm
CertificationCE

Applications

Notes

PC321-W-TY/N FAQ

What is the PC321-W-TY/N?

The OWON PC321-W-TY/N is a Tuya-compliant Wi-Fi power clamp meter for three-phase, split-phase and single-phase systems. It uses three clamp CTs, has an external magnetic antenna for better signal, and is wall mounted by default with DIN rail mounting optional.

How does the PC321-W-TY/N connect?

Connectivity: Wi-Fi 802.11 b/g/n at 2.4 GHz, with BLE for pairing and an external magnetic antenna.

Which electrical systems does the PC321-W-TY/N support?

Supported systems: Single-phase, split-phase and three-phase up to 480Y/277 VAC (the datasheet notes: no Delta / wye / Y / Star connection).

Which CT clamps does the PC321-W-TY/N use?

CT clamps: Three CTs; 80 A (default, Ø10 mm), 120 A, 200 A, 300 A, 500 A and 750 A options.

Can the PC321-W-TY/N monitor solar production?

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

Which app or platform works with the PC321-W-TY/N?

Platform / app: Tuya compliant (automation with other Tuya devices by exporting and importing grid or other energy values).

Does the PC321-W-TY/N have a relay?

Relay: No relay output is listed on the datasheet.

What is the measurement accuracy of the PC321-W-TY/N?

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

How is the PC321-W-TY/N powered?

Power supply: Power consumption below 2 W.

How is the PC321-W-TY/N installed?

Mounting: Wall mounting (default) or DIN rail mounting (optional); 86 (W) × 37 (D) × 86 (H) mm.

How can I get a quotation, samples or protocol documents for the PC321-W-TY/N?

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

OWON PC4713-W-485 Open API Smart Energy MeterDIN rail three-phase energy meter with Open API (Wi-Fi and RS485)Wi-FiRS485 / EthernetOpen APIOWON PC4713-W-E-TY/3W Tuya Smart Energy Meter (Wi-Fi + Ethernet)DIN rail three-phase energy meter, Tuya compliant, Wi-Fi and EthernetWi-FiRS485 / EthernetTuyaOWON PC4713-W-E-TY/R TrioClip Pro Smart Energy Meter with RelayDIN rail three-phase energy meter with relay, Tuya compliant, Wi-Fi and EthernetWi-FiRS485 / EthernetTuyaOWON PC473-W-TY/R/N Wi-Fi Power Meter with RelayDIN rail single / three-phase Wi-Fi meter with 16 A relayWi-FiTuya

Guides

Solutions using this product

Protocols: Wi-Fi, Tuya

Last updated: 6 November 2026. Source: OWON datasheet PC321-W-TY/N (260615).

Request a quotation for the PC321-W-TY/N

Tell us your application, target market and quantity. Our sales team replies with datasheets, protocol documents and pricing.

Send an enquiry WhatsApp +86 13159213403

Or email sales@owon.com