Refurbished – Shelly 1 Mini GEN4 Smart Relay, 1-channel, 8A, multi-protocol (Wi-Fi, Bluetooth, Matter, Zigbee), dry contact (Copy 1)

Shelly 1 Mini Gen4 – Ultra-compact smart relay with dry contacts

The Shelly 1 Mini Gen4 is a single-channel smart relay, ideal for tight spaces where other devices simply won’t fit. Now, in the Gen4 version, it comes with multi-protocol connectivity (Wi-Fi, Bluetooth, Zigbee and Matter) and a new Shelly chip with expanded memory. Perfect for quick commands and complex integrations in a small space!

✅ Multi-protocol connectivity – Wi-Fi, Bluetooth, Zigbee and Matter
📶 Extremely compact – 35% smaller than the Plus
models 🔧 Dry contacts (potential-free) – ideal for controlling contactors and customised
automations 🔄 Built-in Bluetooth – for quick pairing via the Shelly Cloud
app 🕒 Smart schedules – trigger actions based on timers, sunrise/sunset
📲 Smart scenes – create scenarios combined with other Shelly
devices 🔐 Advanced security – supports MQTT, Webhooks, HTTPS, TLS and more
🧠 Extensive compatibility – Android, iOS, Google Home, Alexa
🧩 Local & cloud control – directly from the Shelly Smart Control app

📦 Ideal for installation in:

• Narrow or crowded junction boxes

• Standard Danish wall boxes

• Directly into electrical appliances or equipment

⚙️ Technical specifications

• Dimensions: 29x35x16 ±0.5 mm

• Weight: 19 g

• Installation: In a wall box

• Housing material: Plastic (blue)

• Operating temperature: -20°C to 40°C

• Humidity: 30–70% RH

• Maximum altitude: 2000 m

• Power supply: 110–240 V AC

• Power consumption: < 1.2 W

🔌 Electrical specifications

• Relay contact: dry, NO, 1-pole

• Max. switching voltage: 240 V AC / 30 V DC

• Max. switching current: 8 A (AC) / 5 A (DC)

• Max. power: 2000 W (AC) / 150 W (DC)

• Protections: Internal temperature sensor

• No energy metering

📡 Connectivity

• Wi-Fi 802.11 b/g/n (2.4 GHz), up to 50 m outdoors / 30 m indoors

• Bluetooth 4.2, up to 30 m outdoors / 10 m indoors

• Zigbee IEEE 802.15.4

• Wi-Fi signal strength: < 20 dBm

• Bluetooth signal strength: < 4 dBm

💾 Processor & features

• CPU: ESP Shelly

• Flash memory: 4 MB

• Scripting, MQTT, Webhooks: ✔️

• Programmes: 20

• Webhooks: 20 actions, with up to 5 URLs per action

💡 Shelly 1 Mini Gen4 – Advanced control, high performance, in a mini form factor!