Shelly 1 Mini Gen4

Shelly 1 Mini Gen4 – Compact smart home switch (multi-protocol)
The Shelly 1 Mini Gen4 is an extremely compact switch with dry contacts. Ideal for retrofitting behind light switches or wall outlets. Supports loads up to 8 A/240 V AC (2,000 W) or 5 A/30 V DC (150 W). Multi-protocol capable with Wi-Fi, Bluetooth, Zigbee, and Matter – allows for local operation or via cloud.

Technical specifications
- Dimensions: 29 × 34 × 16 mm
- Weight: approx. 19 g
- Supply voltage: 110–240 V AC
- AC switching capacity: 8 A/240 V (2,000 W)
- DC switching capacity: 5 A/30 V (150 W)
- Relay contact: dry contact (NO)
- Power consumption: < 1.2 W
- Communication: Wi-Fi 802.11 b/g/n/ax (2.4 GHz), Bluetooth 5.0, Zigbee 802.15.4, Matter-compatible
- Environment: –20 °C to +40 °C, 30–70% RH, up to 2,000 m altitude
- Terminals: Screw terminals, wire cross-section 0.2–2.5 mm², max. torque 0.4 Nm

Safety & Protection
- External circuit protection required (10 A B/C, 6 kA)
- Internal temperature sensor (overheating protection)

Functions & Automation
- Local schedules (up to 20)
- Webhooks (20) & HTTPS, MQTT, WebSocket
- Support for local scripts (ShellyScript)
- Zigbee & Wi-Fi repeater, Bluetooth gateway 

Key features
- Extremely compact design – ideal for tight wall boxes
- Dry contact – also suitable for low-voltage applications
- Matter and multi-protocol capable – high flexibility
- Supports scripting, scenes, local control

Typical applications
- Retrofitting behind light switches or wall outlets in older buildings
- Switching small appliances, fans, garage door openers
- Zigbee or Wi-Fi range extender, Bluetooth gateway for BLU devices
- Integration into smart home systems such as Home Assistant, Alexa, Google Home