Shelly - 2 channels DIN rail Wifi dimmer with power metering

Shelly Pro Dimmer 2PM – Dual-Channel DIN Rail Smart Dimmer

The Shelly Pro Dimmer 2PM is a professional-grade, DIN rail-mounted smart dimmer featuring two independent channels and integrated power monitoring. Designed to manage and dim a wide range of lighting types—including halogen lamps, dimmable LEDs, and transformers operating between 110–240V—it provides precise control and energy efficiency for both residential and commercial installations.

Designed for Professional Installations

Part of the Shelly Pro series, this dimmer is built for installation directly inside electrical panels on a DIN rail. It enables advanced automation without requiring additional wiring, making it suitable for homes, offices, retail spaces, and industrial environments.

Advanced Connectivity Options

The device supports LAN, Wi-Fi, and Bluetooth connections, ensuring stable and secure communication. Simultaneous LAN and Wi-Fi operation provides redundancy and reliability, even in demanding network environments.

Precise Lighting and Energy Control

With its dual-channel architecture, the Shelly Pro Dimmer 2PM allows independent brightness adjustment for each circuit. Integrated power monitoring delivers accurate, real-time consumption data, helping optimize energy usage and reduce costs.

Flexible Control and Automation

• Compatible with existing single or dual-button wall switches
• Custom scenes and automation scenarios
• Time-based schedules aligned with daily routines
• Night mode for reduced brightness during specific hours
• Adjustable brightness limits and transition speeds

Enhanced Safety and Security

Built with advanced protection mechanisms, the device includes safeguards against overheating, overpower, and overvoltage. Support for TLS 1.2 ensures secure communication across cloud and local integrations.

Key Features

• Two independent dimming channels with power monitoring
• LAN, Wi-Fi, and Bluetooth connectivity
• Automatic calibration of dimming type and connected load
• Supports leading and trailing edge dimming
• Control via Shelly app, voice assistants, or automation platforms
• No hub required for operation
• Wi-Fi range extender and BLE gateway functionality
• Supports scripting, MQTT, Webhooks, HTTPS, UDP, and custom certificates
• Powered by a fast ESP32 processor for instant response

Supported Load Types (Per Channel)

• Dimmable LED lamps: up to 200 W
• Electronic transformers: up to 180 W
• Non-dimmable LED (on/off mode): up to 110 W
• Incandescent bulbs: up to 200 W
• Halogen lamps: up to 200 W
• Wound transformers: up to 200 VA
• CFL: up to 50 W

Technical Specifications – Shelly Pro Dimmer 2PM

• Mounting: DIN rail
• Dimensions: 94 × 19 × 69 mm
• Weight: 75 g
• Power supply: 110–240 V~, 50/60 Hz
• Power consumption: < 2 W
• Max output power: 200 W per channel
• Dimming type: Trailing edge
• Operating temperature: -20°C to 40°C
• Humidity: 30% to 70% RH
• Wi-Fi: 802.11 b/g/n (up to 30 m indoors / 50 m outdoors)
• Bluetooth: 4.2 (up to 10 m indoors / 30 m outdoors)
• RF band: 2400–2495 MHz
• Processor: ESP32-D0WDQ6
• Flash memory: 8 MB
• Schedules: up to 20
• Webhooks: up to 20 (5 URLs each)
• Protocols: MQTT, WebSocket, HTTPS, UDP, scripting support

Compatibility

• Shelly Smart Control app
• Amazon Alexa
• Home Assistant
• Various automation platforms via MQTT and APIs