Shelly Pro 3EM-3CT63 WIFI 1/3-way energy consumption meter
In modern homes and businesses, efficient energy management is not only about saving money, but also about convenience and greater environmental awareness. Shelly Pro 3EM-3CT63 is a professional electricity meter that provides accurate real-time energy consumption data. With LAN, Wi-Fi and Bluetooth support, it can operate independently in a local network or work with home automation systems. It is a flexible solution for businesses and individuals who want to monitor and optimize energy consumption. Download the Shelly Smart Control app and take control!
Accurate measurement and data storage
Shelly Pro 3EM-3CT63 allows you to measure voltage, current, active and apparent power for each phase separately. With 4-quadrant measurement, the meter works well in both standard installations and renewable energy systems. The data file is stored in the device's memory for 60 days, and a built-in real-time clock ensures accurate event marking, even in the event of an internet outage.
Easy installation and operation
The device is designed for DIN rail mounting and supports both single-phase and three-phase installations. Measurement is performed using special current transformers, which allows for non-contact reading of energy consumption. With the ability to work with the additional Shelly Pro module (not included), you can control external contactors for automatic load management.
Home and professional applications
The Shelly Pro 3EM-3CT63 is a great solution for both homeowners and businesses. In home applications, it can be used to monitor the energy consumption of electric vehicle chargers, photovoltaic systems or the entire household. In businesses, it will prove useful for managing energy consumption in commercial buildings, manufacturing plants and data centers, helping to optimize energy costs.
Advanced integration and automation
With support for KNX, Modbus, MQTT and WebSocket standards, Shelly Pro 3EM-3CT63 can be easily integrated into building management and smart home systems. The ability to export data in CSV and JSON formats makes it easy to analyze energy consumption, while scripting support allows for customized automation tailored to the needs of individual users.
Free Shelly Smart Control app
Shelly Smart Control is a free application that allows you to fully manage your Shelly devices, monitor energy consumption and control costs in real time. With a clear interface, you can monitor the performance of individual devices, create automations and receive notifications about energy anomalies. The application works on smartphones and computers, while access to the Shelly Cloud allows you to remotely control your installation from anywhere.
Included
- Shelly Pro 3EM-3CT63 energy meter
- Shelly 3CT63 3-phase power transformer
- User manual
| Manufacturer | Shelly |
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| Manufacturer code | Pro3EM3CT63 |
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| Dimensions | Shelly Pro 3EM-3CT63: 94 × 19 × 69 mm- Shelly 3CT63: 14 × 54 × 26 mm. |
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| Weight | Shelly Pro 3EM-3CT63: 62g- Shelly 3CT63: 32g |
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| Place | Shelly Pro 3EM-3CT63: Shelly 3CT63: installation on phase cables |
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| Housing material | Plastic |
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| Housing color | White |
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| Operating temperature | -20°C to 40°C |
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| Moisture | 30% - 70% RH |
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| Maximum operating altitude | 2000 m |
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| Power supply | 100-260V AC, 50/60Hz |
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| Power consumption | < 3W |
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| External protection | Circuit breaker characteristics: B or C, Maximum rated current: 16 A, Minimum breaking capacity: 6 kA, Energy limitation category: 3 |
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| AC voltage | 100 - 260 V (accuracy ±1%) |
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| Alternating current | 0 - 63 A (accuracy ±1% for 2 - 63 A, ±2% for 1 - 2 A, ±5% for 0 - 1 A) |
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| Compatible power adapters | 3CT63 |
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| Power measurement | Active and apparent |
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| Energy measurement | Active, apparent, power factor |
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| Minimum load for channel calibration | 500W |
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| No-load threshold | 30 VA per channel |
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| Data storage | 60 days at 1 minute resolution |
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| Data export | CSV for PQ values, JSON via RPC |
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| Wi-Fi | 802.11 b/g/n (2.4 GHz), RF power < 20 dBm |
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| Range | Up to 30 m indoors, up to 50 m outdoors |
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| Bluetooth | 4.2, RF power < 4 dBm |
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| Range | Up to 10 m indoors, up to 30 m outdoors |
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| Communication protocol | KNX, Modbus, MQTT, HTTP, WebSocket |
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| Microcontroller | CPU: Flash memory: 16 MB |
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| Software features | Webhook support (20 with 5 URLs per action) - Scripting capability (mjS) - TLS encryption for incoming calls |
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