Overview

Shelly Pro Dimmer 2PM - Professional Two-Channel Smart Dimmer
Take control of your lighting with the Shelly Pro Dimmer 2PM, a professional two-channel DIN rail dimmer designed for smart homes and commercial setups. With built-in power monitoring, seamless connectivity, and precise dimming capabilities, this device makes lighting control simple, efficient, and customizable. Its compact DIN rail design fits neatly into existing electrical panels for a professional finish.

Description

The Shelly Pro Dimmer 2PM allows users to monitor power consumption, adjust light intensity, and set automated schedules without needing a hub. With LAN, Wi-Fi, and Bluetooth connectivity, it integrates smoothly with popular automation platforms like Alexa, Home Assistant, and more. Its trailing edge dimming supports various bulb types, while advanced safety protocols ensure secure operation. Ideal for residential, commercial, and outdoor lighting, this dimmer delivers energy efficiency and complete lighting control.

Features

Connectivity Options for Reliable Control

• Connect via LAN for high security and consistent performance.
• Wi-Fi connection with up to 30 meters range for flexibility.
• Bluetooth support up to 10 meters for quick setup.
• No hub required - control lights directly through the Shelly Smart Control app.

Adjustable Lighting for Every Mood

• Tailor light intensity to suit different activities.
• Set minimum and maximum brightness levels for comfort and bulb protection.
• Pre-set custom lighting scenes for work, relaxation, or entertaining.
• Night mode dims lights automatically for gentle nighttime illumination.

Monitor Power Usage in Real Time

• Track energy consumption per channel for better efficiency.
• Voltmeter, ammeter, and power/energy meters included for precise monitoring.
• Optimize energy costs in homes, offices, or commercial spaces.

Easy Integration with Existing Switches

• Works with single or dual-button switches.
• Adjustable button fade rate and transition time for smooth operation.
• Supports automation and smart scenes through existing hardware.

Advanced Automation and Smart Control

• Schedule actions daily or weekly with up to 20 programmable events.
• Trigger actions based on sunrise or sunset for seasonal automation.
• Supports scripting, webhooks, MQTT, WebSocket, HTTPS, UDP, TLS, and custom certificates for advanced setups.
• Compatible with KNXnet/IP for professional installations.

Professional Series Enhancements

• ESP32 processor ensures fast response and seamless operation.
• HTTP/HTTPS webhooks allow easy integration with third-party systems.
• Wi-Fi Range Extender and BLE Gateway improve connectivity in larger setups.
• Fully supports mjS scripting to create custom automations.

Practical Applications

• Fine-tune lighting for different rooms, tasks, or moods.
• Dim exterior lights after dark to save energy while maintaining safety.
• Ideal for multi-room homes, hotels, offices, or any DIN rail setup requiring professional-grade dimming and monitoring.

Safety and Installation

• TLS 1.2 support ensures secure cloud and local integrations.
• Installation should be performed by a qualified electrician or authorized installer.

FAQ

How many channels does the Shelly Pro Dimmer 2PM support?

The dimmer supports two output channels, allowing independent control of two separate lighting circuits.

Does it require a hub for operation?

No hub is required. The device connects directly via Wi-Fi or Bluetooth and can be controlled through the Shelly Smart Control app.

Can it monitor energy usage?

Yes, it features built-in voltmeter, ammeter, and power and energy meters for real-time monitoring per channel.

What type of dimming is supported?

The Shelly Pro Dimmer 2PM uses trailing edge dimming, compatible with a wide range of LED, halogen, and incandescent bulbs.

Is it suitable for professional installations?

Yes, it is DIN rail mountable, compatible with KNXnet/IP, supports advanced scripting and webhooks, and meets professional electrical safety standards.

Specifications

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Specifications
Product Code	SHELLY PRO DIMMER 2PM
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)
	0.5 to 1.5 mm² / 20 to 16 AWG (blue connector)
	(solid, stranded, and bootlace ferrules)
Conductor stripped length	6 to 7 mm / 0.24 to 0.28 in (green connectors)
	5 to 6 mm / 0.20 to 0.24 in (blue connector)
Mounting	DIN rail
Shell material	Plastic
Shell color	Lime
Environmental
Ambient working temperature	-20 degreesC to 40 degreesC / -5 degreesF to 105 degreesF
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
	6 kA interrupting rating
	Energy limiting class 3
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
Wi-Fi
Protocol	802.11 b/g/n
RF band	2401 - 2483 ?Hz
Max. RF power	< 20 dBm
Range	Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors
	(Depends on local conditions)
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
	(Depends on local conditions)
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