Product description: Shelly 1L Gen3 - 1-channel N-free lighting controller - WiFi/Bluetooth

The Shelly 1L Gen3 is an intelligent, single-channel lighting control relay designed to ensure compatibility with both new installations and older systems without a neutral wire. WiFi and Bluetooth connectivity allow for full control from anywhere in the world, enabling local communication, which is particularly important during initial startup or in situations with limited network access, and significantly simplifying the configuration process. The Shelly 1L Gen3 is equipped with a modern chip offering greater processing power and increased memory, allowing users to create more advanced scenes and schedules. Integration with the Smart Home system ensures stable operation, even during intensive use. Support for protocols such as MQTT, HTTP, and REST API offers extensive integration with IoT systems, Home Assistant , and cloud-based solutions. The device's compact design allows for installation in a standard flush-mounted box, without compromising the aesthetics of the interior. Additionally, the relay is equipped with a built-in temperature sensor to protect against overheating . Support for up to 20 schedules and 20 webhooks, as well as the ability to run local scenes and scripts, makes it an exceptionally versatile home automation component.

Shelly 1L Gen3 - 1-channel 230VAC relay without N - WiFi/Bluetooth.

The Shelly 1L Gen3 does not require a neutral wire to function properly.

Shelly 1L Gen3 Controller Main Features

• Operation without neutral wire: can be installed in installations without N wire, which makes the relay an ideal tool for upgrading older systems (bypass required)
• WiFi and Bluetooth connectivity: enabling quick pairing, convenient configuration and communication with other system components without the need for an additional hub
• Built-in temperature sensor : protection in the form of automatic shutdown of the controller in the event of a risk of overheating
• Scheduling and webhook support : programming up to 20 timed tasks and 20 webhooks with 5 URLs
• Integration with Smart Home systems : compatibility with Google Home, Amazon Alexa, Home Assistant and MQTT
• Scripting capability : support for advanced local automation scenarios
• Gen3 generation: a more efficient processor and larger memory, which translates into stability and extensive configuration options

Compact housing and possibility of mounting in a flush-mounted box

The small dimensions of the Shelly 1L Gen3 allow installation in places with limited space.

In the case of devices with low load power, such as LED lighting, it is necessary to use an additional bypass module.

Neutral-free operation and bypass support

With the Shelly 1L Gen3, connecting a neutral wire (N) is not necessary. This makes it ideal for older electrical installations where such a wire may not be available. This is a great solution for those who want to avoid costly rewiring while still being able to implement a Smart Home system in a very affordable way. For low-power devices, such as LED lighting , the manufacturer provides the option of using an additional bypass module , which stabilizes and eliminates issues such as flickering or glowing after being turned off. Bypass support increases the device's compatibility with various types of light sources and ensures reliable operation in any installation.

Smart scenes and Shelly system integration in home automation

Thanks to the ability to connect the module with other Shelly devices, you can create a coherent and extensive ecosystem in which all elements cooperate with each other in real time.

Shelly 1L Gen3 Specifications

• Power supply voltage: 220 V to 240 V, 50/60 Hz
• Power consumption: up to 1.2 W
• Neutral wire: not required
• Shelly Bypass: Included (required for O load)
• Temperature sensor: built-in
• WiFi:
• WiFi protocol: 802.11 b/g/n
• WiFi range: up to 30 m indoors and up to 50 m outdoors (depending on local conditions)
• Maximum RF power: up to 20 dBm
• RF band: from 2401 MHz to 2495 MHz
• Bluetooth:
• Bluetooth Standard: 4.2
• Bluetooth range: up to 10 m indoors and up to 30 m outdoors (depending on local conditions)
• Maximum RF power: up to 4 dBm
• RF Band: 2400MHz to 2483.5MHz
• System: ESP-Shelly-C38F
• Clock frequency: 160 MHz
• RAM: 512 KB
• Flash memory: 8 Mb
• Number of schedules: 20
• Firmware: Webhooks: 20 with 5 URLs/hook, scripts, MQTT, CoAP
• Operating temperature: -20°C to 40°C
• Operating humidity: 30% to 70% RH
• Maximum altitude: 2000 m
• Maximum tightening torque of screw connections: 0.4 Nm
• Maximum wire cross-section: 0.5 ^mm2 to 4 ^mm2 / 20 AWG to 11 AWG
• Stripped wire length: 6 mm to 7 mm
• Installation: flush-mounted
• Material: plastic
• Color: cyan housing, white print, black terminals
• Dimensions: 37 x 42 x 16 mm
• Weight: 24 g