Physical

Size (HxWxD):

37x42x16 ±0.5 mm / 1.46x1.65x0.63 ±0.02 in

Weight:

28 g / 1 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 0.24 in

Mounting:

In-wall

Shell material:

Plastic

Shell color:

Cyan

Terminal color:

Black

Environmental

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

Max. altitude:

2000 m / 6562 ft

Electrical

Power supply:

220-240 V~, 50Hz (Shelly Bypass is required for the load at O1)

Shelly Bypass included

Yes

Power consumption:

< 1.2 W

Neutral not needed:

Yes (Shelly Bypass is required for the load at O1)

Min. load without neutral and without a Bypass:

No (Shelly Bypass for 1L/2L is required for the load at O1), for all LED lights.
No, Bypass is not needed for incandescent lights.

Output circuits ratings

Max. switching voltage:

240 V~

Max. switching power:

• 200 W through O1

• 700 W through O2

Sensors, meters

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 / 100 ft indoors and 50 m / 160 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 / 100 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