Dimming without a neutral line Shelly Dimmer 2 is designed to work with all electrical installations worldwide, including those without a neutral line. It offers full dimming functionalities for halogen lights, dimmable LEDs, and ferromagnetic transformers. Features No HUB required. Dimming without a neutral line. Turn ON/OFF or use the dimming function to set the brightness to your preferred intensity, Integrated internal temperature sensor for overheating protection. Designed to fit in most standard electrical boxes and switches. It can be integrated to work with all other Shelly devices. Compatible with Android, iOS, Amazon Alexa, Google Assistant, and home automation servers using MQTT, CoAP, and REST API. Easily make your Arduino project live and usable in your automation project. Specification POWER Power supply AC 110-230V ±10%, 50/60Hz SPECIAL FUNCTIONS Device temperature protection Yes; 95°C Overload protection Yes Power measurement Yes Dimming Yes Operational current: 0.1-1.1 A Dimmable LED 50-200VA / 10W – 200W Incandescent and halogen light sources 10-220W Working without a neutral line Yes FEATURES Colour changing No Predefined effects Yes Channels 1 Channel Operational temperature 0 to 40°C Device power consumption < 1 W Intelligent On/Off Yes Local and remote control Yes Sunrise/Sunset Yes Weekly Schedule Yes UL Listed option No CONNECTIVITY Wireless/WiFi Protocol 802.11 b/g/n Radiofrequency 2400 – 2500 MHz Range up to 50 m outdoors and up to 30 m indoors (depending on the building materials) DIMENSIONS Size 42mm x 36mm x 14 mm Wiring diagrams *When using the device without neutral, Shelly Dimmer 2 requires at least 20W @ 240 VAC of power consumption to operate. If the connected light has a smaller power consumption, then Shelly Bypass is needed for the device to work. Use cases Lighting control Install Shelly Dimmer to control lights at home using a smartphone or voice commands. When you are reading your favorite book in the evening, picking a stronger light will ease your eyes. Also, dimming the lights during movie nights has never been easier!
