Shelly Pro 3EM-3CT63 – contatore mono o trifase con pinza combinata
Contatore di energia da guida DIN, monofase o trifase, con trasformatore di corrente combinato a tre vie che si monta direttamente sopra l’interruttore magnetotermico.
- Pinza combinata a tre vie: si installa sopra il magnetotermico, senza cablaggi aggiuntivi
- Funziona su impianto monofase o trifase
- Storico di almeno 60 giorni con risoluzione al minuto
- Alimentazione 100-260 V, montaggio su guida DIN
- Misura precisa per fatturazione interna, fotovoltaico e controllo dei carichi
| Physical | |
| Size (HxWxD): | Shelly Pro 3EM-3CT63: 94x19x69 mm / 3.70×0.75×2.71 in Shelly 3CT63: 14x54x26 mm / 0.55×2.12×1.02 in |
| Weight: | Shelly Pro 3EM-3CT63: 62 g / 2.19 oz Shelly 3CT63: 32 g /1.12 oz |
| Screw terminals max torque: | 0.4 Nm / 3.5 lbin |
| Conductor cross section: | Shelly Pro 3EM-3CT63: 0.5 to 2.5 mm² / 20 to 14 AWG Shelly 3CT63: 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: | Shelly Pro 3EM-3CT63: DIN rail Shelly 3CT63: Freestanding on phase wires |
| Conductor aperture Shelly 3CT63: | Ø9 mm / Ø0.35 in |
| Shell material: | Plastic |
| Shell color: | White |
| 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: | 100-260 V~ 50/60 Hz |
| Power consumption: | < 3 W |
| External protection: | Tripping characteristic B or C, 16A max. rated current, min. 6 kA interrupting rating, energy limiting class 3 |
| Shelly 3CT63 electrical strength: | 1000 V~, 60 sec |
| Sensors, meters | |
| Internal-temperature sensor: | Yes |
| Voltmeter (AC): | 100 – 260 V |
| Voltmeter accuracy: | ±1 % |
| Ammeter (AC): | 0 – 63 A |
| Ammeter accuracy: | ±1 % (2 – 63 A), ±2 % (1 – 2 A), ±5 % (0 – 1 A) |
| Compatible current transformers: | 3CT63 |
| 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 60 days of 1 min data resolution |
| Data export: | CSV for PQ recorded values JSON format export through RPC |
| Wi-Fi | |
| Protocol: | 802.11 b/g/n |
| RF band: | 2400 – 2495 MHz |
| 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: | 2400 – 2483.5 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: | ESP32-D0WDQ6 |
| Flash: | 16 MB |
| Firmware capabilities | |
| Webhooks (URL actions): | 20 with 5 URLs per hook |
| Scripting: | Yes |
| MQTT: | Yes |
| Scripting: | Yes |
| Encryption: | Yes |
| Fig. 1: Three-phase wiring diagram: | Fig. 2: Single-phase wiring diagram |
| Terminals: | Wires |
| A: | Phase A terminal LA: Phase A live (110-240 V~) wire |
| B: | Phase B terminal LB: Phase B live (110-240 V~) wire |
| C: | Phase C terminal LC: Phase C live (110-240 V~) wire |
| N: | Neutral terminal N: Neutral wire |
| IA: | Phase A current transformer input |
| IB: | Phase B current transformer input |
| IC: | Phase C current transformer input |
| IN: | Neutral current transformer input |
| Current transformers | |
| 3CT63: | 3-phase current transformer/63A |
| CTN: | Neutral current transformer (optional, not included) |
| K->L: | Direction of the primary current flow |
| LA, LB, LC: | Three-phase setup (3~) |
| L: | Single-phase setup (1~) |
| RD: | Red wire |
| BK: | Black wire |
| K ->L: | Direction of the primary current flow |
