Shelly Plus UNI universal Wi-Fi controller with 2 relays
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Choose countryShelly Plus UNI is a universal Wi-Fi controller for lighting, heating or ventilation control. It combines 2 solid-state relays with potential-free contacts, analogue inputs, 2 digital inputs and a pulse counter.
Local and remote control
The module can operate autonomously on a local Wi-Fi network or through cloud-based automation services. Its built-in web interface lets you monitor and control the device and adjust settings. Remote access requires an internet connection; control is available from a smartphone, tablet, computer or home automation system.
- Measurements: the voltmeter offers 0–15 VDC and 0–30 VDC ranges, while the pulse counter supports frequencies up to 1 kHz.
- Sensors: connect one DHT22 or up to 5 DS18B20 sensors.
- Automation: use 20 schedules, webhooks, scripts and MQTT, with support for Google, Samsung SmartThings and Alexa.
Power and switching limits
Supply options are 8–24 VAC, 9–28 VDC or stabilised 5 VDC via +5 VDC and GND. The maximum switching voltage is 30 V and the maximum switching current is 300 mA. Connected circuits must remain within these limits.
| Manufacturer | Shelly |
|---|---|
| Model | Plus UNI |
| Power supply | 8–24 VAC; 9–28 VDC; 5 VDC (stabilised, via +5 VDC and GND) |
| Power consumption | < 1 W |
| Digital input resistance | 50 kΩ |
| Digital input trigger voltage | 1.5 V (active low level) |
| Maximum switching voltage | 30 V |
| Maximum switching current | 300 mA |
| Voltmeter | 0–15 VDC / 0–30 VDC (dual range) |
| Pulse counter input trigger voltage | 1.5 V (active low level) |
| Maximum counter pulse frequency | 1 kHz |
| Supported external sensors | One DHT22 or up to 5 DS18B20 sensors |
| Wi-Fi protocol | 802.11 b/g/n |
| Wi-Fi range | Up to 30 m indoors and up to 50 m outdoors |
| Bluetooth protocol | 4.2 |
| Bluetooth range | Up to 10 m indoors and up to 30 m outdoors |
| CPU | ESP32 |
| Flash memory | 4 MB |
| Schedules | 20 |
| Webhooks | 20 with 5 URLs per webhook |
| Scripts | Yes |
| MQTT | Yes |
| CoAP | No |
| Dimensions | 40 × 21 × 7 mm |
| Weight | 8.5 g |
| Ambient temperature | -20 °C to 40 °C |
| Humidity | 30–70% RH |
| Relays | 2 solid-state relays with potential-free contacts |
| Digital inputs | 2 |
| Analogue inputs | Yes |
| Control options | Autonomous local Wi-Fi operation, cloud services and built-in web interface |
| Compatible platforms | Google, Samsung SmartThings, Alexa |
| EAN | 3800235265710 |
|---|
Can it operate without cloud services?
Yes. It can operate autonomously on a local Wi-Fi network, with monitoring, control and settings available through its built-in web interface. Remote access requires an internet connection.
Which external sensors can I connect?
It supports one DHT22 or up to 5 DS18B20 sensors.
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