Shelly 2PM Gen 4
Shelly 2PM Gen 4 – Dual-Channel Smart Switch with Power Monitoring
The Shelly 2PM Gen 4 is a versatile two-channel smart switch designed for automation of curtains, blinds, shutters, awnings, and bi-directional motors. With multiprotocol support (Wi-Fi, Zigbee, Bluetooth, and Matter), plus independent power monitoring on each channel, it provides precise control and energy efficiency.
Features:
- Multiprotocol: Wi-Fi, Zigbee, Bluetooth & Matter
 - 2 channels on the same phase
 - Power metering on both channels
 - Cover control – automate roller shutters, blinds, curtains, and awnings
 - Slat angle control – adjust venetian blind tilt for perfect light levels
 - Works with Apple HomeKit, Alexa, Siri & Home Assistant
 - Retrofit design – install behind switches & sockets
 - Schedules, scenes & local actions
 - HTTPS, MQTTS, scripting & WebSocket support
 - Wi-Fi & Zigbee range extender + Bluetooth gateway
 - Internal temperature sensor for overheating protection
 - No hub required – control via Shelly Smart Control app or automation platforms
 
Perfect for smart home and commercial automation projects where multi-channel control and precision light management are essential.
| 
 Quantity  | 
 Value  | 
|---|---|
| 
 Physical  | 
|
| 
 Size (HxWxD):  | 
 37x42x16 ±0.5 mm / 1.46x1.65x0.63 ±0.02 inch  | 
| 
 Weight:  | 
 30 g / 1.06 oz  | 
| 
 Screw terminals max torque:  | 
 0.4 Nm / 3.5 lbin  | 
| 
 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 / 0.24 to 0.28 in  | 
| 
 Mounting:  | 
 Wall box  | 
| 
 Shell material:  | 
 Plastic  | 
| 
 Shell color:  | 
 Black  | 
| 
 Terminals color:  | 
 Grey (Mouse Grey)  | 
| 
 Environmental  | 
|
| 
 Ambient working temperature:  | 
 -20°C to 40°C / -5°F to 105°F  | 
| 
 Humidity:  | 
 30% to 70% RH  | 
| 
 Max. altitude:  | 
 2000 m / 6562 ft  | 
| 
 Electrical  | 
|
| 
 Power supply:  | 
 110 - 240 V~ / 24 VDC ±10%  | 
| 
 Power consumption:  | 
 < 1.4 W  | 
| 
 External protection:  | 
 Tripping characteristic B or C,  | 
| 
 Output circuits ratings  | 
|
| 
 Max. switching voltage:  | 
 240 V~ 30 V⎓  | 
| 
 Max. switching current AC:  | 
 10 A (per channel), 16 A (total), 18 A (total peak)  | 
| 
 Max. switching current DC:  | 
 10 A  | 
| 
 Sensors, meters  | 
|
| 
 Voltmeter (AC):  | 
 Yes  | 
| 
 Ammeter (AC):  | 
 Yes  | 
| 
 Internal-temperature sensor:  | 
 Yes  | 
| 
 Radio  | 
|
| 
 Wi-Fi  | 
|
| 
 Protocol:  | 
 802.11 b/g/n/ax  | 
| 
 RF band:  | 
 2412 - 2472 МHz  | 
| 
 Max. RF power:  | 
 < 20 dBm  | 
| 
 Range:  | 
 Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors  | 
| 
 Bluetooth  | 
|
| 
 Protocol:  | 
 5.0  | 
| 
 RF band:  | 
 2402 - 2480 MHz  | 
| 
 Max. RF power:  | 
 < 4 dBm  | 
| 
 Range:  | 
 Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors  | 
| 
 Zigbee  | 
|
| 
 Protocol:  | 
 802.15.4  | 
| 
 RF bands:  | 
 2400 to 2483.5 MHz  | 
| 
 Max. RF power:  | 
 < 20 dBm  | 
| 
 Range:  | 
 Up to 100 m / 328 ft indoors and 300 meters / 984 ft outdoors  | 
| 
 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  | 
Important: All electrical installation work must be performed by a qualified and licensed electrician. Failure to comply may void product warranties and breach electrical safety laws.