Shelly Pro EM - 50

Physical

Size (HxWxD):

94x19x69 ±0.5 mm / 3.70x0.75x2.71 ±0.02 in

Weight:

63 ±1 g / 2.22 ±0.05 oz

Mounting:

DIN rail

Screw terminals max torque:

0.4 Nm / 4.43 lbin

Conductor cross section:

0.5 to 2.5 mm² / 20 to 14 AWG (solid, stranded and bootlace lugs)

Conductor stripped length:

6 to 7 mm / 0.24 to 0.28 in

Shell material:

Plastic

Color:

White

Environmental

Ambient 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:

100 - 260 V, 50/60 Hz

Power supply voltage DC:

N/A

Power consumption:

< 3 W

Output circuits ratings

Max switching voltage AC:

240 V

Max switching voltage DC:

N/A

Max switching current:

2 A

Sensors, meters

Internal-temperature sensor:

Yes

Voltmeter (RMS):

100 - 260 V

Voltmeters accuracy:

±1 %

Ammeters (RMS via CT):

0 - 50 A

Ammeters accuracy:

±1 % (5 - 50 A), ±2 % (0 - 5 A)

Power and energy meters:

• Active and apparent power
• Active and apparent energy
• Power factor

Measurement data storage:

At least 60 days of 1 min data resolution

Data export:

• CSV for PQ recorded values
• JSON format export through RPC

Radio

RF band:

2400 - 2495 MHz

Max. RF power:

<20 dBm

Wi-Fi protocol:

802.11 b/g/n

Wi-Fi Range:

Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors
(Depends on local conditions)

Bluetooth Protocol:

4.2

Bluetooth Range:

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

MCU

CPU:

ESP32-D0WDQ6

Flash:

16 MB

Firmware capabilities

Webhooks (URL actions):

20 with 5 URLs per hook

Scripting:

Yes

MQTT:

Yes

CoAP:

No