Shelly Pro 3EM 120A v2 – contatore di energia trifase da quadro
Contatore di energia trifase da guida DIN con tre pinze amperometriche da 120 A: misura consumi e produzione di tutto l’impianto e tiene lo storico a bordo.
- Misura sulle tre fasi, per quadri civili e terziario
- Tre pinze amperometriche da 120 A comprese
- Storico di almeno 45 giorni con risoluzione al minuto, dentro il dispositivo
- Alimentazione 100-260 V, montaggio su guida DIN
- Dati disponibili per app, automazioni e sistemi di supervisione
| Type: | Value |
| Physical | |
| Size (HxWxD): | 94x19x69 ±0.5 mm / 3.70×0.75×2.71 ±0.02 in |
| Weight: | 62 ±1 g / 2.19 ±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 |
| External protection: | Tripping characteristic B or C, 16A max. rated current, min. 6 kA interrupting rating, energy limiting class 3 |
| Sensors, meters | |
| Internal-temperature sensor: | Yes |
| Voltmeters (RMS for each phase): | 100 – 260 V |
| Voltmeters accuracy: | ±1 % |
| Ammeters (RMS via CT for each phase and the Neutral): | 0 – 120 A |
| Compatible CT: | CT 120A |
| Ammeters accuracy: | ±1 % (2 – 120 A), ±2 % (1 – 2 A), ±5 % (0 – 1 A) |
| 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 per channel |
| No load threshold: | 30 VA per channel |
| Measurement data storage: | At least 45 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 |
| Terminals: | Wires |
| A: | Phase A input LA Phase A live (110-240 V) wire |
| B: | Phase B input LB Phase B live (110-240 V) wire |
| C: | Phase C and power supply input LC Phase C live (110-240 V) wire |
| N: | Neutral terminal L Mono-phase live (110-240 V) wire |
| IA: | Phase A current transformer input N Neutral wire |
| IB: | Phase B current transformer input Current transformers |
| IC: | Phase C current transformer input CTA Phase A current transformer |
| IN: | Neutral current transformer input CTB Phase B current transformer |
| CTC: | Phase C current transformer |
| CTN: | Neutral current transformer (Optional. Not included) |
