Shelly Pro 3EM-3CT63 3-Phase Energy Consumption Meter with Wi-Fi, LAN and Bluetooth

Q: What is included in the Shelly Pro 3EM-3CT63 package?

The package includes the Shelly Pro 3EM-3CT63 energy meter, the Shelly 3-phase current transformer 3CT63, and a user manual.

Q: How long is measurement data stored locally on the device?

The device stores measurement logs internally for 60 days at 1-minute resolution, backed by an integrated real-time clock.

Q: How is the meter installed?

The Shelly Pro 3EM-3CT63 device mounts on a standard DIN rail, while the included 3CT63 current transformers attach to phase wires for non-contact measurement.

Shelly

-6%

Price: 142.00 €133.90 €

Products ID:	146508
Manufactured by:	Shelly
Availablity:	Ready to Order
Delivery Time	5-12 business days
EAN:	3800235268193

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The Shelly Pro 3EM-3CT63 is a professional DIN-rail electricity meter designed for accurate real-time energy monitoring in single-phase and three-phase systems.

Key Features

Individual measurement of voltage, current, active and apparent power per phase
Included 3CT63 current transformers for non-contact measurement up to 63 A
LAN, Wi-Fi and Bluetooth connectivity for flexible integration
Broad protocol support including KNX, Modbus, MQTT, HTTP and WebSocket
Internal data storage for up to 60 days at 1-minute intervals

Dimensions	Shelly Pro 3EM-3CT63: 94 × 19 × 69 mm; Shelly 3CT63: 14 × 54 × 26 mm
Weight	Shelly Pro 3EM-3CT63: 62 g; Shelly 3CT63: 32 g
Mounting	Shelly Pro 3EM-3CT63: DIN rail; Shelly 3CT63: mounting on phase wires
Housing material	Plastic
Housing color	White
Operating temperature	-20°C to 40°C
Humidity	30% - 70% RH
Maximum working altitude	2000 m
Power supply	100-260 V AC, 50/60 Hz
Power consumption	< 3 W
External protection	Circuit breaker characteristics: B or C, Maximum rated current: 16 A, Minimum breaking capacity: 6 kA, Energy limitation class: 3
AC voltage	100 - 260 V (accuracy ±1%)
AC current	0 - 63 A (accuracy ±1% for 2 - 63 A, ±2% for 1 - 2 A, ±5% for 0 - 1 A)
Compatible current transformers	3CT63
Power measurement	Active and apparent
Energy measurement	Active, apparent, power factor
Minimum load for channel calibration	500 W
No-load threshold	30 VA per channel
Data storage	60 days at 1-minute resolution
Data export	CSV for PQ values, JSON via RPC
Wi-Fi	802.11 b/g/n (2.4 GHz), RF power < 20 dBm
Wi-Fi range	Up to 30 m indoors, up to 50 m outdoors
Bluetooth	4.2, RF power < 4 dBm
Bluetooth range	Up to 10 m indoors, up to 30 m outdoors
Communication protocol	KNX, Modbus, MQTT, HTTP, WebSocket
Microcontroller	CPU: ESP32-D0WDQ6; Flash memory: 16 MB
Software features	Webhook support (20 with 5 URLs per action); Scripting (mjS) capability; TLS encryption for incoming calls

What is included in the Shelly Pro 3EM-3CT63 package?

The package includes the Shelly Pro 3EM-3CT63 energy meter, the Shelly 3-phase current transformer 3CT63, and a user manual.

How long is measurement data stored locally on the device?

The device stores measurement logs internally for 60 days at 1-minute resolution, backed by an integrated real-time clock.

How is the meter installed?

The Shelly Pro 3EM-3CT63 device mounts on a standard DIN rail, while the included 3CT63 current transformers attach to phase wires for non-contact measurement.