Diagrams
WIRING – Dual-channel switch mode, AC power supply

WIRING – Dual-channel switch mode, DC power supply

WIRING – Cover mode

SPECIFICATIONS
Quantity | Value |
---|---|
Physical | |
Size (HxWxD): | 37x42x16 ±0.5 mm / 1.46×1.65×0.63 ±0.02 in |
Weight: | 30 g / 1.06 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: | Wall box |
Shell material: | Plastic |
Shell color: | Black |
Terminals color: | Black |
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: | 110 – 240 V~ / 24 V⎓ ±10% |
Power consumption: | < 1.4 W |
External protection: | Tripping characteristic B or C, 16A max. rated current, min. 6 kA interrupting rating, energy limiting class 3 |
Output circuits ratings | |
Max. switching voltage: | 240 V~ 30 V⎓ |
Max. switching current AC: | 10 A (per channel), 16 A (total), 18 A (total peak) |
Max. switching current DC: | 10 A |
Sensors, meters | |
Voltmeter (AC): | Yes |
Ammeter (AC): | Yes |
Internal-temperature sensor: | Yes |
Radio | |
Wi-Fi | |
Protocol: | 802.11 b/g/n |
RF band: | 2412 – 2472 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: | 2402 – 2480 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 |
Flash: | 8MB |
Firmware capabilities | |
Schedules: | 20 |
Webhooks (URL actions): | 20 with 5 URLs per hook |
Scripting: | Yes |
MQTT: | Yes |
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