Sonoff POW Elite 16A
ESP32-based WiFi smart switch with high-accuracy power monitoring via CSE7766, 16A relay, LCD display, and DIN-rail mounting. Flashable with Tasmota for local energy tracking and home automation.
$19.90
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Specifications
Components
Dual-core Xtensa LX6 microcontroller at 240MHz with integrated WiFi 802.11 b/g/n and Bluetooth 4.2
Single-pole single-throw relay rated for 16A at 240V AC for switching high-power household loads
High-accuracy single-phase energy measurement chip providing voltage, current, active power, and energy readings via UART
Segment LCD panel showing real-time voltage, current, power, and cumulative energy consumption
Integrated 100-240V AC to 3.3V DC converter powering the ESP32 and relay circuits
Bus Interfaces
Sonoff POW Elite 16A (POWR316D)
The Sonoff POW Elite is a DIN-rail mountable smart switch with integrated high-accuracy power monitoring. Based on the ESP32, it features an LCD display showing real-time power consumption and supports Tasmota for local energy monitoring.
Key Features
- ESP32 dual-core with WiFi and Bluetooth
- 16A/240V relay for high-power loads
- Power monitoring — voltage, current, power, energy with CSE7766 chip
- LCD display showing real-time power data
- DIN-rail mounting for electrical panel installation
- Overload protection with configurable thresholds
- 100-240V AC input
Tasmota Compatibility
- Flash via serial header on the PCB
- Power monitoring auto-detected with CSE7766 driver
- Calibration supported for high-accuracy readings
- Energy data persistent across reboots
- MQTT telemetry with configurable reporting interval
Power Monitoring Capabilities
- Voltage: 80-260V AC (±1%)
- Current: 0-16A (±1%)
- Active Power: 0-3680W
- Energy: cumulative kWh counter
- Power Factor: real-time PF reading
Calibration
Tasmota supports two calibration methods:
- Quick calibration with known load (e.g., 100W incandescent bulb)
- Fine-tuning with
VoltageSet,CurrentSet,PowerSetcommands
Use Cases
5Resources
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