| Power supply |
110 - 240 V~ 50/60 Hz |
| Power consumption |
< 1.2 W |
| External protection |
2 A, tripping characteristic B or C, 6 kA interrupting rating, Energy limiting class 3 |
| Max. switching voltage |
240 V~ |
| Max. switching current |
2 A/240 V~ |
| Voltmeter (AC) |
110-240 V~ 50/60 Hz |
| Voltmeter accuracy |
±2% |
| Ammeter (AC) |
0 - 80A |
| 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 |
| Power and energy meters |
Active and apparent power
Active and apparent energy
Power factor
Fundamental active and fundamental reactive energy |
| Channel-to-channel calibration minimum load |
500 W |
| No load threshold |
30 VA per channel |
| Measurement data storage |
At least 10 days of 1 min data resolution |
| Data export |
CSV for PQ recorded values
JSON format export through RPC |
| Webhooks (URL actions) |
20 with 5 URLs per hook |
| CPU |
ESP-Shelly-C38F |
| Flash |
8 MB |
| Internal-temperature sensor |
Yes |
| Schedules |
Yes |
| Scripting |
Yes |
| MQTT |
Yes |
| Encryption |
Yes (Transport level) |
| Authentication |
Yes (Application and transport level) |
| 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) |
| Mounting |
Wall console, Electrical cabinet |
| Shell material |
Plastic |
| Shell color |
White |
| Screw terminals max torque |
0.4 Nm / 3.5 lbin |
| Ambient working temperature |
-20 °C to 40 °C / -5 °F to 105 °F |
| Humidity |
30 % to 70 % RH |
| Max. altitude |
2000 m / 6562 ft |
