Shelly
Shelly Plus UNI.Universal Low-Voltage Smart Relay with Sensor Inputs, Pulse Counting, Wi-Fi & BLE
Shelly Plus UNI.Universal Low-Voltage Smart Relay with Sensor Inputs, Pulse Counting, Wi-Fi & BLE
SKU:Plus UNI
Condition: New
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Shelly Plus UNI is an ultra-compact universal smart relay designed for low-voltage automation and sensor integration. With support for digital and analog inputs, pulse counting, and dry contacts, it enables monitoring and control of sensors, meters, and low-voltage devices using Wi-Fi or Bluetooth — no hub required.
Why Shelly Plus Uni?
Tiny Device, Endless Automation Possibilities
Shelly Plus UNI transforms low-voltage systems into smart, connected solutions. Desned to work with sensors, meters, and automation systems, it enables precise monitoring, automation triggers, and remote control.
With pulse counting, analog measurement, and sensor integration, Shelly Plus UNI allows you to monitor energy, water, gas, battery levels, and environmental data in real time.
Its compact design fits easily into tight spaces, making it ideal for retrofit installations, IoT integrations, vehicles, security systems, and custom automation projects.
KEY FEATURES
• No hub required — connect directly via Wi-Fi or Bluetooth
• Designed for low-voltage applications (8-24 VAC, 9-28 VDC, or 5 VDC)
• Two digital inputs and one analog input for sensor integration
• Two potential-free dry contact outputs (up to 28 VDC / 24 VAC)
• Pulse counting for energy, water, or gas meter monitoring
• Compatible with 1-Wire sensors (DHT22 and up to 5 DS18B20 sensors)
• Works with Arduino sensors and custom IoT integrations
• Built-in ESP32 processor for fast and reliable performance
• Wi-Fi range extender and Bluetooth gateway functionality
• Supports scripting, MQTT, Webhooks, WebSocket, HTTPS, and secure communication
• Fully compatible with Home Assistant, Shelly Smart Control, and open automation platforms
• Supports KNXnet/IP and advanced automation integrations
Functionalities
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Wi-Fi Operated & Bluetooth connectivity
Connect to your Wi-Fi network. No HUB required! Quick inclusion via Bluetooth or use it as a Bluetooth gateway.
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Dry contacts
Two potential-free outputs that can switch up to 28VDC and 24VAC.
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Scripting
Shelly Plus Uni fully supports scripting, allowing you local control and custom functionalities.
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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| Physical | |
|---|---|
| Dimensions (LxWxH) | 37x42x16 mm / 1.46x1.65x0.63 in (without the cables) |
| Weight | 8.5 g / 0.3 oz |
| Ambient temperature | -20 °C to 40 °C / -4 °F to 104 °F |
| Humidity | 30 % to 70 % RH |
| Power supply | 8-24 VAC / 9-28 VDC / 5 VDC (stabilized, via +5 VDC and GND) |
| Power consumption | < 1 W |
| Digital inputs resistance | 50 kΩ |
| Digital inputs triggering voltage | 1.5 V (active low level) |
| Max switching voltage | 30 V |
| Max switching current | 250 mA |
| Voltmeter | 0-15 VDC / 0-30 VDC (Two-range) |
| Pulse counter input triggering voltage | 1.5 V (active low level) |
| Pulse counter max frequency | 1 kHz |
| External sensors supported | Single DHT22 or up to five DS18B20 |
| RF band | 2400 - 2495 MHz |
| Max. RF power | < 20 dBm |
| Wi-Fi protocol | 802.11 b/g/n |
| Wi-Fi operational range (depending on local conditions): | |
| up to 50 m / 160 ft | outdoors |
| up to 30 m / 100 ft | indoors |
| Bluetooth protocol | 4.2 |
| Bluetooth operational range (depending on local conditions): | |
| up to 30 m / 100 ft | outdoors |
| up to 10 m / 33 ft | indoors |
| CPU | ESP32 |
| Flash | 4 MB |
| Schedules | 20 |
| Webhooks (URL actions) | 20 with 5 URLs per hook |
| Scripting | Yes |
| MQTT | Yes |