Overview
The Shelly 1 Gen3 is a compact smart switch with potential-free contacts, designed for remote control of electrical appliances through a mobile phone, tablet, PC, or home automation system. It can operate independently in a local Wi-Fi network or be integrated into cloud-based home automation platforms. Featuring an improved processor and increased memory, it offers enhanced performance over its predecessor.
The device is designed for retrofit installations, easily fitting into standard electrical wall boxes, behind power sockets, light switches, or in other tight spaces. It provides remote access, monitoring, and control from anywhere with an internet connection.
Key Features
- Dry contacts (potential-free) - option for contactor control
- New processor - ESP-Shelly-C38F chip with an increased memory of 8 MB
- Improved durability of terminals
- High security
- Wi-Fi range extender & Bluetooth gateway
- Supports scripting, webhooks, MQTT, WebSocket, HTTPS, UDP, TLS and custom certificates
- No HUB required! Easy control through Shelly Smart Control app, various home automation protocols, platforms, as well as voice assistants
- Supports KNXnet / IP communication
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Physical |
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Size (HxWxD): |
37x42x16 / 1.46x1.65x0.63 |
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Weight: |
26 g / 0.92 oz |
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Screw terminals max torque: |
0.4 Nm / 3.5 lbin |
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Conductor cross section: |
0.2 to 2.5 mm² / 24 to 14 AWG (solid, stranded, and bootlace ferrules) |
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Conductor stripped length: |
6 to 7 mm / 0.24 to 0.28 in |
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Mounting: |
Wall console |
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Shell material: |
Plastic |
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Shell color: |
Blue |
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Terminal Color: |
Black |
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Environmental |
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Ambient working temperature: |
-20 °C to 40 °C / -5 °F to 105 °F |
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Humidity: |
30 % to 70 % RH |
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Max. altitude: |
2000 m / 6562 ft |
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Electrical |
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Power supply: |
110-240 V~ 24-48 V⎓ 12 V⎓ |
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Power consumption: |
< 1.2 W |
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External protection: |
Cable protection switch in accordance with EN60898-1 (tripping characteristic B or C, max. 16 A rated current, min. 6 kA interrupting rating, energy limiting class 3) |
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Output circuits ratings |
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Max. switching voltage: |
240 V~ 30 V⎓ |
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Max. switching current: |
16 A/240 V~ 10 A/30 V⎓ |
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Sensors, meters |
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Internal-temperature sensor: |
Yes |
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Radio |
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Wi-Fi |
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Protocol: |
802.11 b/g/n |
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RF band: |
2401 - 2483 МHz |
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Max. RF power: |
< 20 dBm |
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Range: |
Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors |
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Bluetooth |
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Protocol: |
4.2 with BLE |
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RF band: |
2400 - 2483.5 MHz |
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Max. RF power: |
< 4 dBm |
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Range: |
Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors |
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Microcontroller unit |
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CPU: |
ESP-Shelly-C38F |
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Flash: |
8MB |
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Firmware capabilities |
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Schedules: |
20 |
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Webhooks (URL actions): |
20 with 5 URLs per hook |
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Scripting: |
Yes |
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MQTT: |
Yes |
