Shelly 1L Gen3 Switching Module User Guide

Ensure there is no voltage present at the Device terminals before making any changes to connections.
Connect the Device only as per the instructions provided to prevent damage or injury.

Turn off circuit breakers before installing the Device and use a suitable test device to check for voltage.
Do not use the Device if it is damaged or defective.

The Device is intended for indoor use only. Keep it away from dirt and moisture.

Installation Instructions:

Connect the load to the O terminal of the Device and the Neutral wire as shown in the wiring diagram.
Connect the Shelly Bypass (provided in the package) in parallel to the load (mandatory, except for incandescent lights).

Connect the Live wire to the L terminal.
Connect the first switch or button to the S1 and Sx terminals.

Connect the second switch or button to the S2 and Sx terminals.

Wiring diagram Legend

Device terminals

L: Live (220-240 V~) terminal
O: Load circuit output terminal

S1, S2: Switch input terminals
Sx: Switch signal output terminal Wires

L: Live wire (220-240 V~)
N: Neutral wire

Installation instructions

To connect the Device, we recommend using solid single-core wires or stranded wires with ferrules. The wires should have insulation with increased heat resistance, not less than PVC T105°C (221°F).

When connecting wires to the Device terminals, consider the specified conductor cross-section and stripped length. Do not connect multiple wires to a single terminal.

Connect the load to the O terminal of the Device and the Neutral wire as shown in the wiring diagram.

Connect the Shelly Bypass, provided in the package, in parallel to the load (mandatory, except for incandescent lights).
Connect the Live wire to the L terminal.
Connect the first switch or button to the S1 and Sx terminals.
Connect the second switch or button to the S2 and Sx terminals.

Specifications

Size (HxWxD): 37x42x16 ±0.5 mm / 1.46×1.65×0.63 ±0.02 in
Weight: 24 g / 0.85 oz
Screw terminals max torque: 0.4 Nm / 3.5 lbin
Conductor cross section: 0.2 to 2.5 mm² / 24 to 14 AWG (solid, stranded, and bootlace ferrules)
Conductor stripped length: 6 to 7 mm / 0.24 to 0.28 in
Mounting: In-wall
Shell material: Plastic
Shell color: Cyan
Ambient working temperature: -20°C to 40°C / -5°F to 105°F
Storage temperature: 10°C to 40°C
Humidity: 30% to 70% RH
MMax.altitude: 2000 m / 6562 ft

Electrical

Power supply: 220-240 V~ 50 Hz (Shelly Bypass is required)
Shelly Bypass included: Yes
Power consumption: < 1.2 W

Neutral not needed: Yes (Shelly Bypass is required for the load at O)
Min. load without neutral and without a Bypass: · Bypass is required for the load at O, except for incandescent lights.
External protection: 10 A, tripping characteristic B or C, 6 kA interrupting rating, Energy limiting class 3

Output circuits ratings

Max. switching voltage: 240 V~
Max. switching power: 200 W

Internal-temperature sensor: Yes

Radio Wi-Fi

Protocol: 802.11 b/g/n

RF band: 2401 – 2495 МHz
Max. RF power: < 20 dBm
Range: Up to 30 m / 98 ft indoors and 50 m / 164 ft outdoors (Depends on local conditions)

Bluetooth

Protocol: 4.2
RF band: 2400 – 2483.5 MHz

Max. RF power: < 4 dBm
Range: Up to 10 m / 33 ft indoors and 30 m / 98 ft outdoors (Depends on local conditions)

Microcontroller unit

CPU: ESP-Shelly-C38F
Clock frequency: 160 MHz
RAM: 512 KB

Flash: 8 MB

Firmware capabilities

Schedules: 20

Webhooks (URL actions): 20 with 5 URLs per hook
Scripting: Yes
MQTT: Yes

Shelly Cloud inclusion

The Device can be monitored, controlled, and set up through our Shelly Cloud home automation service. You can use the service through either our Android, iOS, or Harmony OS mobile application or through any internet browser at https://control.shelly.cloud/.
If you choose to use the Device with the application and Shelly Cloud service, you can find instructions on how to connect the Device to the Cloud and control it from the Shelly app in the application guide: https://shelly.link/app-guide.

Troubleshooting

In case you encounter problems with the installation or operation of the Device, check its knowledge base page: https://shelly.link/1L_Gen3.

Declaration of Conformity

Hereby, Shelly Europe Ltd. declares that the radio equipment type Shelly 1L Gen3 complies with Directive 2014/35/EU, 2014/30/EU, 2011/65/EU, and 2014/53/EU. The full text of the EU declaration of conformity is available at the following internet
address: https://shelly.link/1L_Gen3_DoC
Manufacturer: Shelly Europe Ltd.

Address: 51 Cherni Vrah Blvd., bldg. 3, fl. 2-3, 1407 Sofia, Bulgaria
Tel.: +359 2 988 7435
E-mail: support@shelly.cloud

Official website: https://www.shelly.com

Changes in contact information are published by the Manufacturer on the official website. All rights to the trademark Shelly® and other intellectual rights associated with this Device belong to Shelly Europe Ltd.

For the UK PSTI Act Statement of Compliance, scan the QR code.

FAQS

Q: How can I control the Device?
A: The Device can be monitored, controlled, and set up through the Shelly Cloud home automation service. You can use either the mobile application or any internet browser at https://control.shelly.cloud/.
Q: What should I do if I encounter problems with installation or operation?
A: Check the knowledge base page at https://shelly.link/1L_Gen3 for troubleshooting tips and solutions.

Documents / Resources

	Shelly 1L Gen3 Switching Module [pdf] User Guide 1L Gen3, 1L Gen3 Switching Module, Switching Module, Module
	Shelly 1L Gen3 Switching Module [pdf] Installation Guide 1L Gen3 Switching Module, Gen3 Switching Module, Switching Module, Module

References

User Manual

Shelly 1L Gen3 Switching Module

Product Usage Instructions