Shelly
Shelly Plus Wall Dimmer UL | WiFi Smart Light Dimmer Switch (4-Wire, No Hub Required) (Open Box)
Shelly Plus Wall Dimmer UL | WiFi Smart Light Dimmer Switch (4-Wire, No Hub Required) (Open Box)
SKU:Plus Wall Dimmer-1_OB_AN
Condition: Open Box
Open Box units may include manufacturer warranty when applicable and/or a Digital Bay Tech limited replacement warranty for manufacturing defects.
See warranty details below.
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The Shelly Plus Wall Dimmer UL is a sleek, next-generation WiFi smart dimmer switch designed for modern homes and professional installations.
With its intuitive touch slider, automatic calibration, and 4-wire installation (neutral required), it delivers smooth and flicker-free dimming for compatible LED and incandescent lighting.
UL-certified for the US market, it works as a standalone device or integrates seamlessly with popular home automation platforms via WiFi — no hub required.
Control brightness manually, remotely, or automatically using schedules, sunrise/sunset routines, and advanced scripting.
Perfect for homeowners, electricians, and smart home integrators looking for a clean, modern, and reliable dimming solution.
Why Choose Shelly Plus Wall Dimmer UL?
Unlike basic WiFi dimmers, Shelly Plus Wall Dimmer combines:
✔ UL certification for US installations
✔ True 4-wire stability (neutral required)
✔ Automatic calibration for smoother LED dimming
✔ Touch slider + app control
✔ Advanced scripting and automation support
✔ No hub dependency
It’s ideal for homeowners upgrading to smart lighting and professionals needing reliable, code-compliant installations.
KEY FEATURES
• UL Certified for US installations
• 4-Wire installation (neutral required)
• Touch slider with smooth dimming
• Automatic calibration for LED compatibility
• WiFi + Bluetooth connectivity
• No hub required
• Sunrise / Sunset automation
• Advanced scripting capabilities
Functionalities
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Wi-Fi and Bluetooth connectivity
Connect Shelly ЕМ Gen3 to your Wi-Fi network. No HUB required! Quick inclusion via Bluetooth or use it as a Bluetooth gateway.
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Automatically calibrated
Allows adjustment of the distance and the movement to which the sensor reacts.
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RPC over MQTT, HTTP, UDP
Receive notification in case someone is trying to dislocate it.
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Timers and schedules
Automatically follow the sunrise and sunset and control your lighting accordingly.
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Extremely fast processor
For immediate command execution and notification.
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Scripting capabilities
JavaScript editor, for customized and complex automation.
No hub required, Universally compatibleShelly Products can be controlled locally, directly and without a hub through your smartphone/table with Shelly App - no hub or other equipment needed. Enable cloud feature and get remote control from anywhere. At the same time, you can integrate Shelly directly with virtually every smart home hub, voice assistant, open source platform, or premium control system. |
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No hub required, Universally compatibleShelly Products can be controlled locally, directly and without a hub through your smartphone/table with Shelly App - no hub or other equipment needed. Enable cloud feature and get remote control from anywhere. At the same time, you can integrate Shelly directly with virtually every smart home hub, voice assistant, open source platform, or premium control system. |
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| Type | Value |
|---|---|
| Physical | |
| Size without face plate and wires (HxWxD): | 104x44x39 ±0.5 mm / 4.09 x 1.73 x 1.50 ±0.02 in |
| Size with face plate and without wires (HxWxD): | 120x70x39 ±0.5 mm / 4.72 x 2.76 x 1.50 ±0.02 in |
| Weight without face plate: | 105 g / 3.70 oz |
| Weight with face plate: | 121 g / 4.28 oz |
| Shell material: | ABS |
| Color: | White |
| Environmental | |
| Ambient 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 voltage AC: | 100 - 120 V, 50/60 Hz |
| Power supply voltage DC: | N/A |
| Power consumption: | < 3 W |
| Output circuits ratings | |
| Max load power at 120 VAC: |
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| Radio | |
| RF band: | 2400 - 2495 MHz |
| Max. RF power: | <20 dBm |
| Wi-Fi protocol: | 802.11 b/g/n |
| Wi-Fi Range: | Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors (Depends on local conditions) |
| Bluetooth Protocol: | 4.2 |
| Bluetooth Range: | Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors (Depends on local conditions) |
| MCU | |
| CPU: | ESP32 |
| Flash: | 4 MB |
| Firmware capabilities | |
| Webhooks (URL actions): | 20 with 5 URLs per hook |
| Scripting: | mJS |
| MQTT: | Yes |
| CoAP: | No |
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