SHELLY - Wi-Fi, Zigbee and Matter Dual Smart Relay with energy monitoring Shelly 2PM Gen4

Shelly 2PM Gen4

Shelly 2PM Gen4 is a small form factor 2-channel smart switch with power measurement and cover control, which allows remote control of electric appliances through a mobile phone, tablet, PC, or home automation system. It can work standalone in a local Wi-Fi network or it can also be operated through cloud home automation services. The device also has improved processor and increased memory compared to its predecessor. The device supports Venetian blinds similar to it’s predecessor Shelly 2PM Gen3.

Shelly 2PM Gen4 can be accessed, controlled and monitored remotely from any place where the User has internet connectivity, as long as the device is connected to a Wi-Fi router and the Internet.

It can be retrofitted into standard electrical wall boxes, behind power sockets and light switches or other places with limited space.

Shelly 2PM Gen4 has embedded Web Interface which can be used to monitor and control the device, as well as adjust its settings. The device has multi-protocol wireless MCU which provide Zigbee and Bluetooth connectivity ensuring a secure connection.

One device, Different possibilities

A versatile dual-channel smart switch that lets you automate and manage roller shutters, curtains, awnings, pool covers, and bi-directional AC motors. With new multiprotocol connectivity, you can choose the protocol that best suits your home network - Wi-Fi, Bluetooth or Zigbee. Shelly 2PM Gen4 includes integrated power monitoring, allowing you to track real-time energy consumption. Optimize energy usage, lower electricity bills, and improve efficiency.

Multiprotocol connectivity

Highly compatible! Choose the best protocol for your smart home - Wi-Fi, Bluetooth or Zigbee

Power monitoring

Shelly 2PM Gen4 provides precise monitoring of power consumption and free data storage.

Cover (roller) control

Control bi-directional AC motors and set your desired position.

Matter certified

Integrates into any Matter ecosystem

Slats angle control​​​​

Use with your venetian blinds and control the tilt position (angle) of slats to adjust the amount of light in a room.

Smart schedules and scenes

Set custom schedules or scenes based on your daily agenda or follow the sunrise/sunset and control your lighting accordingly.

Features of Shelly 2PM Gen4

• Multiprotocol connectivity: Choose from Zigbee, Bluetooth, Wi-Fi and Matter
• 2 channels on the same phase
• Power metering on each channel
• Cover (roller) control - Automate and adjust the position of roller shutters, blinds, curtains, awnings, bi-directional AC motors.
• Slats angle control - use with your venetian blinds and control the tilt position (angle) of slats to adjust the amount of light in a room.
• Apple Homekit support: Control connected devices using Apple Home app or Siri through Matter
• Perfect to retrofit behind existing switches and sockets
• Supports schedules, scenes and local actions
• Supports scripting, HTTPS, MQTTS, Inbound and Outbound Web Sockets
• Internal temperature sensor for overheating protection
• Wi-Fi & Zigbee range extender & Bluetooth gateway
• Easy control through the Shelly Smart Control app, most platforms and protocols, as well as voice assistants. Use it with Alexa, Home Assistant, or your preferred automation platform.

Technical specifications of Shelly 2PM Gen4

• Physical
• Size (HxWxD): 37x42x16 mm
• Weight: 30 g
• Screw terminals max torque: 0.4 Nm
• Conductor cross section: 0.2 to 2.5 mm² / 24 to 14 AWG (solid, stranded, and bootlace ferrules)
• Conductor stripped length: 6 to 7 mm 
• Mounting: Wall console
• Shell material: Plastic
• Shell color: Black
• Terminals color: Grey (Mouse Grey)
• Environmental
• Ambient working temperature: -20 °C to 40 °C 
• Humidity: 30 % to 70 % RH
• Electrical
• Power supply: 110-240 V~ / 24-30V⎓
• Power consumption: < 1 W
• External protection: Cable protection switch in accordance with EN60898-1 (tripping characteristic B or C, max. 16 A rated current, min. 6 kA interrupting rating, energy limiting class 3)
• Output circuits ratings
• Max. switching voltage: 240 V~ / 30 V⎓
• Max. switching current AC: 10 A (per channel), 16A (total), 18A (total peak)
• Max. switching current AC : 10 A/30 V⎓
• Sensors, meters
• Voltmeter (AC): Yes
• Ammeter (AC): Yes
• Internal-temperature sensor: Yes
• Wi-Fi
• Protocol: 802.11 b/g/n/ax
• RF band: 2412 - 2472 МHz
• Max. RF power: < 20 dBm
• Range: Up to 30 m indoors and 50 m outdoors (Depends on local conditions)
• Bluetooth
• Protocol: 5.0
• RF band: 2402 - 2480 MHz
• Max. RF power: < 4 dBm
• Range: Up to 10 m indoors and 30 m outdoors (Depends on local conditions)
• Zigbee
• Protocol: 802.15.4
• Zigbee repeater: Yes
• RF bands: 2400 to 2483.5 MHz
• Max. RF power: < 20 dBm
• Range: Up to 100 m indoors and 300 meters outdoors (Depends on local conditions)
• Microcontroller unit
• CPU: ESP-Shelly-C68F
• Flash: 8MB
• Firmware capabilities
• Schedules: 20
• Webhooks (URL actions): 20 with 5 URLs per hook
• Scripting: Yes
• MQTT: Yes