Shelly 2PM Gen4 – 2-channel multiprotocol smart relay module with power metering, Matter compatible
Shelly 2PM Gen4 – 2-channel multiprotocol smart relay module with power metering, Matter compatible
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Shelly 2PM Gen4 is a 2-channel smart relay module for controlling curtains, blinds, and shades. It includes power consumption monitoring and multi-protocol support (Wi-Fi, Zigbee, Matter, Bluetooth).
Typically used for:
Lights
Covers and blinds
Power monitoring
Home appliances
Key Features
- Multi-protocol connectivity: choose from Zigbee, Bluetooth, Wi-Fi, and Matter
- 2 channels on the same phase
- Power measurement on each channel with free storage for data analysis
- Roller shutter control: automate and adjust the position of roller shutters, blinds, curtains, awnings, and bidirectional AC motors
- Slat tilt control: use it with your Venetian blinds to adjust the slat angle and modulate light in a room
- Apple HomeKit support: control your connected devices with the Apple Home app or Siri via Matter
- Ideal for installation behind existing switches and outlets
- Support for schedules, scenes, and local actions
- Support for scripts, HTTPS, MQTTS, incoming and outgoing Web Sockets
- Integrated temperature sensor for overheating protection
- Wi-Fi / Zigbee repeater and Bluetooth gateway
- Easy control from the Shelly Smart Control app, most platforms and protocols, and with voice assistants. Compatible with Alexa, Home Assistant, or your automation platform
Basic wiring diagrams
![]() Dual-channel switch mode, AC power supply |
![]() Dual-channel switch mode, DC power supply |
![]() Cover mode |
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Specifications
|
Quantity |
Value |
|
Physical |
|
|
Size (HxWxD): |
37x42x16 ±0.5 mm / 1.46x1.65x0.63 ±0.02 inch |
|
Weight: |
30 g / 1.06 oz |
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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) |
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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 |
|
|
Ambient working temperature: |
-20°C to 40°C / -5°F to 105°F |
|
Humidity: |
30% to 70% RH |
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Max. altitude: |
2000 m / 6562 ft |
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Electrical |
|
|
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: |
|
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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 |
|
Sensors, meters |
|
|
Voltmeter (AC): |
Yes |
|
Ammeter (AC): |
Yes |
|
Internal-temperature sensor: |
Yes |
|
Radio |
|
|
Wi-Fi |
|
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Protocol: |
802.11 b/g/n/ax |
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RF band: |
2412 - 2472 MHz |
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Max. RF power: |
< 20 dBm |
|
Range: |
Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors |
|
Bluetooth |
|
|
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 |
|
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 |
|
Range: |
Up to 100 m / 328 ft indoors and 300 meters / 984 ft outdoors |
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Microcontroller unit |
|
|
CPU: |
ESP-Shelly-C68F |
|
Flash: |
8MB |
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Firmware capabilities |
|
|
Schedules: |
20 |
|
Webhooks (URL actions): |
20 with 5 URLs per hook |
|
Scripting: |
Yes |
|
MQTT: |
Yes |
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