| Physical Specifications | |
| Size | 37 mm (H) x 42 mm (W) x 16 mm (D) |
| Weight | |
| Device (EM Gen3) | 23 grams |
| Current Transformer (CT 50A) | 50 grams |
| Wiring | Screw terminals with a maximum torque of 0.4 Nm. |
| Recommended stripping length | 6 to 7 mm. |
| Mounting | Designed for wall consoles or electrical cabinets. |
| Material | Plastic shell. |
| Color | Available in white and anthracite gray, with black connectors. |
| Environmental Specifications | |
| Operating Temperature | -20 °C to 40 °C (-5 °F to 105 °F). |
| Humidity | 30 % to 70 % RH. |
| Maximum Altitude | 2000 m (6562 ft). |
| Electrical Specifications | |
| Power Supply | 110-240V AC, 50/60 Hz. |
| Power Consumption | Less than 1.2 W. |
| Neutral Required | Information regarding whether a neutral wire is required is absent from the provided text. |
| External Protection | Requires a 2A circuit breaker (Type B or C), 6 kA breaking capacity, energy limiting class 3. |
| Output Circuits | |
| Maximum Switching Voltage | 240V AC. |
| Maximum Switching Current | 2A at 240V AC. |
| Sensors and Meters | |
| Voltmeter (AC) | 110-240V AC, 50/60 Hz, accuracy ±2%. |
| Ammeter (AC) | 0-80A, accuracy ±2% (2-50A), ±2% (1-2A), ±5% (0-1A). |
| Current Transformers | Compatible with CT 50A (included) and CT 80A. |
| Power and Energy Metering | Measures active and apparent power, active and apparent energy, power factor, fundamental active and reactive energy. |
| Channel Calibration | Minimum load of 500 W. |
| No Load Threshold | 30 VA per channel. |
| Data Storage | Stores at least 10 days of data with 1-minute resolution. |
| Data Export | CSV for power quality data, JSON via RPC. |
| Internal Temperature Sensor | Included. |
| Connectivity | |
| Wi-Fi | 802.11 b/g/n. 2.4 GHz band (2412-2472 MHz). |
| Maximum RF Power | < 20 dBm. |
| Range | Up to 30 m indoors, 50 m outdoors (depending on environmental conditions). |
| Bluetooth | Bluetooth 4.2 2.4 GHz band (2402-2480 MHz). |
| Maximum RF Power | < 4 dBm. |
| Range | Up to 10 m indoors, 30 m outdoors (depending on environmental conditions). |
| Microcontroller and Firmware | |
| CPU | ESP-Shelly-C38F. |
| Flash | 8 MB. |
| Firmware capabilities | |
| Scheduling | yes |
| Webhooks | (20 hooks, 5 URLs per hook). |
| Scripts | yes |
| MQTT support | yes |
| Encryption | transport layer |
| Authentication | application and transport layer |
| EAN | 3800235261873 |