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.
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Quantity |
Value |
|---|---|
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Physical |
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|
Size (HxWxD): |
37x42x16 ±0.5 mm / 1.46x1.65x0.63 ±0.02 inch |
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Weight: |
30 g / 1.06 oz |
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Screw terminals max torque: |
0.4 Nm / 3.5 lbin |
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Conductor cross section: |
0.2 to 2.5 mm² / 24 to 14 AWG (solid, stranded, and bootlace ferrules) |
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Conductor stripped length: |
6 to 7 mm / 0.24 to 0.28 in |
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Mounting: |
Wall box |
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Shell material: |
Plastic |
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Shell color: |
Black |
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Terminals color: |
Grey (Mouse Grey) |
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Environmental |
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Ambient working temperature: |
-20°C to 40°C / -5°F to 105°F |
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Humidity: |
30% to 70% RH |
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Max. altitude: |
2000 m / 6562 ft |
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Electrical |
|
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Power supply: |
110 - 240 V~ / 24 VDC ±10% |
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Power consumption: |
< 1.4 W |
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External protection: |
Tripping characteristic B or C, |
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Output circuits ratings |
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Max. switching voltage: |
240 V~ 30 V⎓ |
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Max. switching current AC: |
10 A (per channel), 16 A (total), 18 A (total peak) |
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Max. switching current DC: |
10 A |
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Sensors, meters |
|
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Voltmeter (AC): |
Yes |
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Ammeter (AC): |
Yes |
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Internal-temperature sensor: |
Yes |
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Radio |
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Wi-Fi |
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Protocol: |
802.11 b/g/n/ax |
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RF band: |
2412 - 2472 МHz |
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Max. RF power: |
< 20 dBm |
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Range: |
Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors |
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Bluetooth |
|
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Protocol: |
5.0 |
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RF band: |
2402 - 2480 MHz |
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Max. RF power: |
< 4 dBm |
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Range: |
Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors |
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Zigbee |
|
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Protocol: |
802.15.4 |
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RF bands: |
2400 to 2483.5 MHz |
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Max. RF power: |
< 20 dBm |
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Range: |
Up to 100 m / 328 ft indoors and 300 meters / 984 ft outdoors |
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Microcontroller unit |
|
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CPU: |
ESP-Shelly-C68F |
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Flash: |
8MB |
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Firmware capabilities |
|
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Schedules: |
20 |
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Webhooks (URL actions): |
20 with 5 URLs per hook |
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Scripting: |
Yes |
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MQTT: |
Yes |
