Shelly EM Gen4

Physical

Size (HxWxD):

37x42x16 mm / 1.46x1.65x0.63 inch

Weight:

26 g / 0.92 oz

Screw terminals max torque:

0.4 Nm / 3.5 lbin

Conductor cross section:

0.5 to 4 mm² / 20 to 11 AWG (solid, stranded, and bootlace ferrules)

Conductor stripped length:

6 to 7 mm / 0.24 to 0.28 in

Mounting:

Wall console

Shell material:

Plastic

Shell color:

White

Connectors color:

Grey (Mouse Grey RAL7005, R(106) G(110) B(106), HEX #6A6E6A, LRV 15.19.)

Environmental

Ambient working temperature:

-20 °C to 40 °C / -5 °F to 105 °F

Humidity:

30 % to 70 % RH

Max. altitude:

2000 m / 6562 ft

Electrical

Power supply voltage AC:

110 - 240 V, 50/60 Hz

Power supply voltage DC:

N/A

Power consumption:

< 1 W

External protection:

2 A, tripping characteristic B or C,
6 kA interrupting rating,
Energy limiting class 3

Output circuits ratings

Max switching voltage AC:

240 V

Max switching voltage DC:

N/A

Max. switching current:

2 A

Sensors, meters

Voltmeter (AC):

110 - 240 V

Voltmeter accuracy:

±2 %

Ammeter (AC):

0 - 120 A

Ammeter accuracy:

±2 % (2 - 50 A), ±2 % (1 - 2 A), ±5 % (0 - 1 A)

Compatible current transformers:

• CT 50A (included in the package)

• CT 80A

• CT 120A

Power and energy meters:

• Active and apparent power

• Active and apparent energy

• Power factor

No load threshold:

30 VA per phase

Measurement data storage:

At least 30 days of 1 min data resolution

Data export:

CSV for PQ recorded values

JSON format export through RPC

Internal-temperature sensor:

Yes

Radio

Wi-Fi

Protocol:

802.11 b/g/n/ax

RF band:

2412 - 2484 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:

5 (LE)

RF band:

2402 - 2480 MHz

Max. RF power:

< 20 dBm

Range:

Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors
(Depends on local conditions)

Zigbee

Protocol:

802.15.4

Zigbee repeater:

Yes

RF bands:

2405 to 2480 MHz

Max. RF power:

< 20 dBm

Range:

Up to 100 m / 328 ft indoors and 300 meters / 984 ft outdoors
(Depends on local conditions)

Microcontroller unit

CPU:

ESP32C6

Flash:

16MB

Firmware capabilities

Schedules:

20

Webhooks (URL actions):

20 with 5 URLs per hook

Scripting:

Yes

MQTT:

Yes