Shelly Plus 2PM – Smart 2-Channel Switch Power Consumption with Metering

Shelly Plus 2PM – Smart dual-channel switch with power consumption measurement

Device identification

• Device name: Shelly Plus 2PM

• Device model: SNSW-002P16EU

• Device SSID: ShellyPlus2PM-XXXXXX

Brief description

Shelly Plus 2PM is a compact 2-channel smart switch with energy consumption measurement and cover control functionality. It allows remote control of electrical devices via mobile, tablet, computer or home automation system.

The device can be used independently in a local Wi-Fi network or in cloud-based home automation services. The device can be monitored, controlled and configured via a web interface and is suitable for installation in standard wall boxes, behind sockets or switches or in other space-constrained locations.

Main use cases

• Residences

• Multi-apartment buildings (apartment blocks, hotels)

• Small commerce (offices, shops, restaurants, gas stations)

• Government and municipal institutions

• Universities and colleges

Integration

• Google

• Samsung SmartThings

• Amazon Alexa

Electrical interfaces

Inputs:

• 2 switch/button inputs (S1 and S2) on screw terminals

• 3 power inputs on screw terminals: 1 N (+) and 2 L (Ʇ)

Outputs:

• 2 relay outputs with energy consumption measurement

Additional interface:

• Shelly proprietary serial interface
  ⚠ Warning: the additional interface has high voltage when the device is connected to power!

Connectivity

• Wi-Fi

• Bluetooth

Safety features

• Overheating protection

• Overvoltage protection

• Overload protection

• Over-current protection

• Resistance detection (cover module)

• Safety lock (cover module)

Supported load types

• Resistive (incandescent lamps, heating devices)

• Capacitive (capacitors, electronics, motor starting capacitors)

• Inductive RC snubber (LED drivers, transformers, fans, refrigerators, air conditioners)

User interface

Input:

• Single button press

• Hold for 5 sec: AP and Bluetooth connection

• Hold for 10 sec: factory settings

Output:

• LED (monochrome) indicator

• Flashing patterns depending on AP, Wi-Fi, cloud connection and OTA updates

Physical data

• Size: 37x42x16 ±0.5 mm

• Installation: wall box

• Screw terminals max torque: 0.4 Nm

• Wire cross-section: 0.5–1.5 mm²

• Wire stripping length: 5–6 mm

• Housing: plastic, black

Environment:

• Operating temperature: -20…40 °C

• Humidity: 30–70 % RH

• Max altitude: 2000 m

Electrical data

• Supply voltage: 110–240 VAC / 24 VDC ±10%

• Consumption: <1.4 W

• Max AC voltage: 240 V

• Max DC voltage: 30 V

• Max AC current: 10 A per channel, 16 A total current, 18 A max short-term

• Max DC current: 10 A

• Built-in temperature sensor: Yes

• AC voltmeter: Yes

• AC ammeter: Yes

Wireless connection

• Wi-Fi: 802.11 b/g/n, 2400–2495 MHz, <20 dBm, range 30 m indoors / 50 m outdoors

• Bluetooth: 4.2, range 10 m indoors / 30 m outdoors

Microcontroller

• CPU: ESP32-U4WDH

• Flash: 4 MB

Firmware features

• Schedules: 20

• Webhooks: 20, 5 URLs per hook

• Scripting: Yes

• MQTT: Yes

• CoAP: No

Wiring terminals (legend)

User guide: Shelly Plus 2PM multilingual printed user and safety guide.pdf

Manufacturer website: Shelly Plus 2PM