Shelly Pro Dimmer 2PM
What is Shelly Pro Dimmer 2PM?
Professional 2-channel DIN rail smart dimmer with power monitoring
- LAN, Wi-Fi, and Bluetooth connection
- Power metering
- Free storage data (using Shelly App)
- Night mode for lower brightness during night hours
- Automatic dimming calibration
- Switch/button input mode
- Use with your existing switches (one/dual button control)
- Adjustable min/max brightness
- Adjustable button fade rate and transition time
- No hub required! 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
- Wi-Fi Range Extender & BLE Gateway
- Extremely fast processor for immediate reaction – ESP32
- Supports scripting, webhooks, MQTT, WebSocket, HTTPS, UDP, TLS and custom certificates
- Supports KNXnet / IP communication
Features
LAN, Wi-Fi, and Bluetooth connectivity
LAN connection for high security and reliability. Simultaneous Wi-Fi and LAN usage, as backup when needed.
Light intensity adjustment
Use the dimming function to set the brightness of your lights to your preference.
Power Monitoring
Shelly Pro Dimmer 2PM provides precise monitoring of power consumption.
Flexible input control
Use it with your existing switches, no matter if they’re single or dual button.
Enhanced safety & security
Improved safety features and TLS 1.2 support, allowing a broad range of secure cloud-connected and local integrations,
Smart scenes
Set custom scenes by combining Shelly Pro Dimmer 2PM with your other Shelly devices.
Use Cases
Brightness that suits your activities
Shelly Pro Dimmer gives your fine-tuned control to tailor your lighting to perfection. Set the minimum and maximum brightness levels to match both your personal preferences and the capabilities of your bulbs, ensuring that the lighting in your home is always just right. But the Shelly Pro Dimmer offers more than just customized brightness. It also allows you to pre-set your preferred lighting scenes for various activities and moods. Whether you want to set the ambiance for a relaxing evening or ensure the best brightness for focused tasks, simply use your existing wall switch to swiftly transition between your chosen atmospheres.
Lights that follow the sun
Give your facility a beautiful exterior and provide the necessary safety by controlling your outdoor and driveway lights. Shelly Pro Dimmer can help you reduce their energy consumption by dimming them down to 30% after 10PM.
Optimized energy consumption
Shelly Pro Dimmer stands as an ideal solution for various dimming and power-metering needs – from expansive multi-room residences to the sophisticated demands of hotels or big office spaces. As part of the professional line series, the device is engineered for seamless integration into a DIN Rail enclosure, which allows you to precisely control and monitor the lights in different rooms. Thus, you can plan your business expenses better, and strategically optimize the energy consumption for enhancing efficiency and cost-effectiveness.
Pro Series Features
HTTP/HTTPS webhooks for quick connection
Enhanced with HTTP/HTTPs webhooks, Shelly Pro line can easily connect with, notify or control other compatible equipment or 3rd party automation system.
Smart actions that follow the Sunrise/Sunset
Shelly Pro line can switch on/off the power, depending on the Sunset/Sunrise hour, allowing dynamic control of the electrical equipment depending on the season.
Automation with weekly scheduling
Shelly Pro line allows you to set up to 20 actions based on your daily or weekly schedule with no need for an external hub or server.
Scripting for custom automation
Shelly Pro line fully supports mjS scripting, allowing customers to create their own features and functionalities.
Caution
Installation of certain Shelly devices must be done by a qualified electrician or authorised installer.
Diagrams
Terminals |
Wires |
||
|---|---|---|---|
SW1, SW2 |
Switch/button input terminals controlling O1 |
L |
Live (110-240 V) wire |
SW3, SW4 |
Switch/button input terminals controlling O2 |
N |
Neutral wire |
O1, O2 |
Load circuit output terminals |
||
L |
Live (110-240 V) terminals |
||
N |
Neutral terminal |
|
|
LAN |
Local Area Network RJ 45 connector |
||
Specifications
Physical | |
Size (HxWxD): |
94x19x69 mm / 3.70x0.75x2.71 in |
Weight: |
75 g / 2.7 oz |
Screw terminals max torque: |
0.4 Nm / 3.54 lbin |
Conductor cross section: |
0.5 to 2.5 mm² / 20 to 14 AWG (green connectors) |
Conductor stripped length: |
6 to 7 mm / 0.24 to 0.28 in (green connectors) |
Mounting: |
DIN rail |
Shell material: |
Plastic |
Shell color: |
Lime |
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~ 50/60 Hz |
Power consumption: |
< 2 W |
External protection: |
10 A, tripping characteristic B or C, |
Dimming type: |
Trailing edge |
Output circuits ratings | |
Max. output power: |
200 W per channel |
Sensors, meters | |
Voltmeter (AC): |
Yes |
Ammeter (AC): |
Yes |
Power and energy meters: |
Yes |
Internal-temperature sensor: |
Yes |
Radio | |
Wi-Fi | |
Protocol: |
802.11 b/g/n |
RF band: |
2401 - 2483 МHz |
Max. RF power: |
< 20 dBm |
Range: |
Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors |
Bluetooth | |
Protocol: |
4.2 |
RF band: |
2400 - 2483.5 MHz |
Max. RF power: |
< 4 dBm |
Range: |
Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors |
Microcontroller unit | |
CPU: |
ESP32-D0WDQ6 |
Flash: |
8 MB |
Firmware capabilities | |
Schedules: |
20 |
Webhooks (URL actions): |
20 with 5 URLs per hook |
Scripting: |
Yes |
MQTT: |
Yes |
Download the Shelly Cloud app for Android and iOS
