OWON PC311-W-TY/R/N Wi-Fi Single-Phase Power Meter with Relay

Wi-FiTuya
Short answer: The OWON PC311-W-TY/R/N is a compact Tuya-compliant Wi-Fi single-phase power meter with a built-in dry contact relay (max. 16 A) with overload protection. It lets you switch the relay and check real-time or historical energy data in the mobile app.

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Key facts

TypeSingle-phase clamp-on (CT) power meter with relay, sticker or DIN rail bracket mounting
ConnectivityWi-Fi 802.11 b/g/n at 2.4 GHz, with BLE for pairing and an internal antenna
Platform / appTuya compliant (automation with other Tuya devices)
Supported systemsSingle-phase
CT clampsOne CT as stated on the datasheet; 80 A (default, Ø10 mm), 20 A, 120 A, 200 A and 300 A options
MeasurementVoltage, current, power factor, active power and frequency
Bidirectional / solarYes, bidirectional measurement of energy usage and solar production
RelayYes, max. 16 A dry contact relay with overload protection and relay setting
AccuracyVoltage ±1%; current ±1% in the main range of each CT (see the CT table below)
Power supplyPower consumption below 2 W
MountingSticker or DIN rail bracket; 52 (W) × 23 (D) × 46 (H) mm
CertificationCE, FCC

Features

Specifications

Wi-Fi802.11 b/g/n at 2.4 GHz
BLEFor pairing
RF characteristics
  • Operating frequency: 2.4 GHz
  • Internal antenna
Operating voltage90–277 Vac, 50/60 Hz
Supported systemsSingle-phase
Power consumptionBelow 2 W
Voltage accuracy±1%
Current accuracy by CT
  • 20 A CT: ±1% (1–20 A), ±2% (0–1 A)
  • 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)
Clamp inner diameter
  • 20 A (optional): Ø5 mm
  • 80 A (default): Ø10 mm
  • 120 A (optional): Ø16 mm
  • 200 A (optional): Ø20 mm
  • 300 A (optional): Ø24 mm
Relay typeMax. 16 A dry contact relay
Reporting cycle
  • Energy data: every 15 seconds
  • Relay status: immediately
Operating environment-20 °C to +55 °C; humidity ≤ 90% non-condensing
Mounting
  • Sticker
  • DIN rail bracket
Dimensions52 (W) × 23 (D) × 46 (H) mm
Certification
  • CE
  • FCC

Applications

Notes

PC311-W-TY/R/N FAQ

What is the PC311-W-TY/R/N?

The OWON PC311-W-TY/R/N is a compact Tuya-compliant Wi-Fi single-phase power meter with a built-in dry contact relay (max. 16 A) with overload protection. It lets you switch the relay and check real-time or historical energy data in the mobile app.

How does the PC311-W-TY/R/N connect?

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

Which electrical systems does the PC311-W-TY/R/N support?

Supported systems: Single-phase.

Which CT clamps does the PC311-W-TY/R/N use?

CT clamps: One CT as stated on the datasheet; 80 A (default, Ø10 mm), 20 A, 120 A, 200 A and 300 A options.

Can the PC311-W-TY/R/N monitor solar production?

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

Which app or platform works with the PC311-W-TY/R/N?

Platform / app: Tuya compliant (automation with other Tuya devices).

Does the PC311-W-TY/R/N have a relay?

Relay: Yes, max. 16 A dry contact relay with overload protection and relay setting.

What is the measurement accuracy of the PC311-W-TY/R/N?

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

How is the PC311-W-TY/R/N powered?

Power supply: Power consumption below 2 W.

How is the PC311-W-TY/R/N installed?

Mounting: Sticker or DIN rail bracket; 52 (W) × 23 (D) × 46 (H) mm.

How can I get a quotation, samples or protocol documents for the PC311-W-TY/R/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.

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Guides

Protocols: Wi-Fi, Tuya

Last updated: 6 November 2026. Source: OWON datasheet PC311-W-TY/R/N (260622).

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