Shelly I4 Gen3 - Specifications

PHYSICAL
Size (HxWxD): 37x42x16 / 1.46x1.65x0.63
Weight: 19 g / 0.67 oz
Maximum screw terminal torque: 0.4 Nm / 3.5 lbin
Conductor cross section: 0.2 to 2.5 mm² / 24 to 14 AWG (solid, stranded and crimp terminals)
Stripped conductor length: 6 to 7 mm / 0.24 to 0.28 in
Mounting: Wall box
Housing material: Plastic
Housing color: Orange
Terminal color: Black
ENVIRONMENTAL
Ambient working temperature: -20°C to 40°C / -5°F to 105°F
Humidity: 30% to 70% RH
Maximum altitude: 2000 m / 6562 ft
ELECTRIC
Power supply: 110 - 240 V⎓, 50/60 Hz
Energy consumption: < 1 W
SENSORS, METERS
Internal temperature sensor: Yeah
RADIO
Wi-Fi
Protocol: 802.11 b/g/n
RF Band: 2401 - 2483 MHz
Maximum RF power: < 20 dBm
Range: Up to 30 m indoors and 50 m outdoors
(Depends on local conditions)
Bluetooth
Protocol: 4.2 with BLE
RF Band: 2400 - 2483.5 MHz
Maximum RF power: < 4 dBm
Range: Up to 10 m indoors and 30 m outdoors
(Depends on local conditions)
MICROCONTROLLER UNIT
CPU: ESP-Shelly-C38F
Flash: 8MB
FIRMWARE CAPABILITIES
Webhooks (URL actions): 20 with 5 URLs per webhook
Scripting: Yeah
MQTT: Yeah