POWR316D/POWR320D

Product Overview

Introduction

Product Name	SONOFF POW Elite Smart Power Meter Switch
Product Model	POWR316D; POWR320D

SONOFF POW Elite is a Wi-Fi smart switch with an integrated LCD display, designed for real-time monitoring and control of electrical appliances. It supports a maximum load of 16A/20A, making it suitable for high-power devices. The device provides accurate real-time readings of voltage, current, active power, and cumulative energy consumption, all visible directly on the screen or remotely via the eWeLink app.

POW Elite also features customizable overload protection, automatically cutting off power when preset thresholds are exceeded to ensure safety. In addition, it supports remote app control, voice control via Amazon Alexa and Google Assistant, scheduling, inching mode, and power-on state memory. It is an ideal solution for energy monitoring and smart automation in residential or commercial environments.

Highlights

Real-Time Power Monitoring at a Glance

Stay informed instantly with a built-in LCD display that shows real-time power, voltage, current, and energy usage—no phone required. Get the numbers you need right on the device, whenever you need them.

Up to 20A Load Capacity — Power-Hungry Appliances Welcome

Designed for performance, POW Elite supports up to 20A, making it perfect for high-wattage appliances like electric heaters, large lighting systems, and power tools.

6-Month Usage History — Hour-by-Hour Insight, Ready to Export

Track and review your energy usage with hour-level precision over the last 6 months. Export to Excel straight from the app—perfect for home analysis or energy optimization.

Smart Overload Protection — Built-in Safety Intelligence

Customize safety thresholds for voltage, current, or power. When limits are exceeded, POW Elite automatically shuts down the load, protecting your devices and home from overloads and electrical risks.

Pro-Grade Smart Control — Automation Made Effortless

Enjoy full control with eWeLink app remote access, Alexa & Google Assistant voice commands, timers, inching mode, and power-on state memory. One smart switch. Total energy mastery.

Applications

Real-Time Monitoring of High-Power Appliances

Ideal for devices like water heaters, air conditioners, ovens, or washing machines. With up to 16A/20A load capacity, POW Elite ensures stable performance while displaying real-time voltage, current, and power usage on the integrated LCD screen and app.

Residential Energy Management

Gain insights into household energy consumption. Use the cumulative energy data to optimize usage habits, cut down on electricity bills, and make your home more energy-efficient.

Commercial and Office Applications

Monitor the power usage of equipment such as vending machines, servers, or shared appliances in real time to prevent energy waste and detect anomalies early.

Energy Audit and Cost Analysis

Use historical consumption data to perform energy audits for residential or small business setups, enabling smarter load planning and identifying inefficiencies.

etc...

Specification

Model	POWR316D	POWR320D
Input	100-240V~,50/60Hz MAX 16A	100-240V~,50/60Hz MAX 20A
Output	100-240V~,50/60Hz MAX 16A	100-240V~,50/60Hz MAX 20A
Wi-Fi	IEEE802.11b/g/n 2.4GHz
LCD Screen Size	43x33mm
App supported systems	Android & iOS
Operating temps	-10℃~40℃
Working humidity	5%~95% RH, non-condensing
Shell material	PC V0
Dimension	98x54x31mm
High-voltage connector wire	1.0mm² to 4.0mm²	1.5mm² to 6.0mm²
Rated impulse voltage	2500V
Remark	External preliminary protection with Max. C20A circuit breaker in the supply line is required under all circumstances.

eWeLink Key Features

Device Home Page Functions
Key Features	Feature Description
On / Off	Device on/off state.
Energy Monitoring	Tracks yesterday/today/current month power consumption. Real-time current/voltage/power monitoring. Supports viewing & exporting 6-month historical consumption records.
Schedule	Set the device to complete the specified action at the specified time.
Timer	Set delayed actions for the device to execute after a specified time
Loop Timer	The device executes a predefined action cyclically at specified time intervals.

Device Settings
Key Features		Feature Description
Third-party Platforms	Alexa	You can control your smart devices through third-party services, including voice control.
	Google Home
	IFTTT
	SmartThings
	Alice
Assign location		Set up the home and room where the device is located.
Share		The device can be shared with other eweLink accounts.
Create Group		After multiple devices are created into a group, you can synchronize all devices in the group.
Smart Scene	Trigger Condition	Switch On/Off Power Greater than/Less than Today's Consumption is Greater than Current Month's Consumption is Greater than
	Execution Action	On/Off/Reverse
LAN Control		A control method where the app communicates directly with the device over the same router, without going through the cloud platform. On/Off
Threshold Settings	Power	Max. Power/Min. Power (W) POWR316D--For device and personal safety, default power protection is enabled. The maximum allowable load power is 4000W. POWR320D--For device and personal safety, default power protection is enabled. The maximum allowable load power is 4500W.
	Voltage	Max. Voltage/Min. Voltage (V)
	Current	Max. Current/Min. Current (A) POWR316D--For device and personal safety, the default current protection is enabled. The maximum allowable load current is 17A. POWR320D--For device and personal safety, the default current protection is enabled. The maximum allowable load current is 20A.
Reset Consumption		Reset the consumption on the device screen to 0 kWh.
Push Notice		After turning on "Push notifications", also make sure to grant notification permissions in Phone Settings > Permissions for the eWeLink app. This allows you to receive push notifications when the device status changes. On/Off Consumption is reached: Current Month's Consumption/Today's Consumption Threshold Exceedance
Offline Alert		Turn on the "Offline Notifications" feature, and grant eWeLink notification permissions in Phone Settings > Permissions. You will receive a mobile push notification 5 minutes after the device goes offline. On/Off
Logs		Records of device status changes. (You can view the operation records of the past three months)
Network Indicator		On/Off
Power-on State		The switch state of the device when power is restored after a power outage. On/Off/Last State
Inching Settings		The device automatically turns off/turns on after being on for a specified duration. Enable/Disable Duration range: 0.5s~59min 59.5s Status: Auto-on/Auto-off
Wi-Fi Settings		Configure the WiFi network connected to the device.
Delete Device		Remove the device from the eWeLink platform.

Installation and Configuration Guide

① Button

② LCD screen

③ Protective cover

④ Power LED indicator (Red)

Power LED indicator (Red)	Description
Keeps on	Device is on
Keeps off	Device is off

⑤ Wi-Fi LED indicator (Blue)

Wi-Fi LED indicator (Blue)	Description
Keeps on	Online
Flashes two short + one long	In Pairing Mode
Flashes once	Failed to connect to the router
Flashes twice	Connected to the router but failed to connect to the server
Flashes three times	OTA

⑥ Mounting base

⑦ Wiring terminals (Visible after removing the protective cover)

Terminals	Description
L Out	Live (Output Terminal)
L In	Live (Input Terminal)
N	Neutral
N	Neutral

Wiring Diagrams

WARNING:

Please install and maintain the device by a professional electrician. To avoid electric shock hazard, do not operate any connection or contact the terminal connector while the device is powered on!
The device weighs less than 1 kg. The installation height of less than 2 m is recommended.
Make sure all wires are connected correctly.

1. Remove protective cover.

2. Wiring.

3. Rail Installation.

Add Device

Open eWeLink, tap "+” and select "Add Device", then follow the prompt on the App.

Notice：

It's required to turn on the Bluetooth on your Phone when adding a device.
After powering on, the device will enter the Bluetooth pairing mode during the first use.
The Wi-Fi LED indicator changes in a cycle of two short and one long flash and release.
The device will exit the Bluetooth pairing mode if not paired within 3 minutes. If you want to enter this mode, please long-press the manual button for about 5s until the Wi-Fi LED indicator changes in a cycle of two short and one long flash and release.

FAQ

1. Can I view power data without using the app?

A: Yes. The built-in LCD screen displays real-time voltage, current, power, and cumulative energy consumption directly on the device.

2. Does the device store energy usage history?

A: Yes. POW Elite stores up to 6 months of hourly energy consumption data, which can be viewed in the eWeLink app and exported as an Excel file.

3. Is voice control supported?

Yes. POW Elite works with Amazon Alexa and Google Assistant, allowing you to control connected devices with voice commands.

4. What happens when power is restored after an outage?

POW Elite allows you to set the Power-on State in the app:

ON/OFF/Keep the last state before power-off

5. Can I set an automatic shutdown in case of overload?

Yes. You can configure overload protection thresholds for power, current, or voltage. The device will automatically turn off if any parameter exceeds the preset limit.

6. Will the accumulated energy (kWh) on the display keep increasing indefinitely if not manually reset to 0?

No. The accumulated energy value will automatically roll over to 0 once it exceeds 9999 kWh. Manual reset is not required unless you prefer to clear it for tracking purposes.