Shelly 3EM 63T Gen3

The Shelly 3EM 63T Gen3 is a three‑phase smart energy monitor that installs directly on a three‑phase breaker or three separate single‑phase breakers. It measures the consumption of up to three circuits with 1% accuracy, logging data every 60 seconds. Its flat‑terminal design allows easy installation in various setups, making it suitable for residential and commercial energy monitoring, including EV charger tracking.

£82.00 inc VAT

SKU: 3EM-63T-GEN3 Category:
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Description

The Shelly 3EM 63T Gen3 Energy Meter can simultaneously track voltage, current, and both active and apparent power across three phases, while also measuring the total energy consumption of the connected circuit. While it doesn’t include a relay and so can’t directly control electrical devices, it offers extensive scripting options and integrates seamlessly into a broader Shelly setup. Notifications can be set up and customised to instantly notify users via the free Shelly app once a connected appliances reaches an energy-usage threshold.

Capable of storing up to 60 days of energy data locally, the 3EM 63T Gen3 records usage every 60 seconds and can either store measurements locally in the device for up to seven days, or upload older readings to the cloud. This data is accessible in real time through Shelly’s free mobile app or displayed on a Shelly device.

This is the flat-terminal version of the SHELLY-3EM-63W-GEN3, designed for both single-phase and three-phase installations. Alternatively, the wired model (3EM-63W-GEN3) is also available, which can be wired into appliances rather than being mounted for a range of installation options.

Key features:

  • Built-in WiFi – no hub required
  • Bluetooth connectivity
  • Embedded web server for local management
  • Power metering
  • Smart schedules
  • Smart scenes

What’s included:

  • 1 x 3EM-63T-GEN3
  • 1 x Installation guide

Manuals & Data sheets:

Product Specifications

Physical and Performance Attributes

Weight52 grams
Dimensions (L x W x H)31 × 54 × 42 mm

Misc Product Attributes

Specifications
Physical
Size (HxWxD) 21×54×42 mm / 0.83×2.13×1.65 in (Shelly 3EM‑63W Gen3, without wires)
31×54×42 mm / 1.22×2.13×1.65 in (Shelly 3EM‑63T Gen3, without wire)
Wires length 260 mm (including the flat terminal)
Weight 58 g / 2.05 oz (Shelly 3EM‑63W Gen3, including wires)
52 g / 1.83 oz (Shelly 3EM‑63T Gen3, including wire)
CT aperture Ø8 mm / Ø0.3 in
Mounting On DIN‑rail mounted MCBs or RCDs
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 220–240 V~ 50/60 Hz (between LA and N)
Power consumption < 2 W
External protection Tripping characteristic B or C,
max. 63 A rated current,
min. 6 kA interrupting rating,
energy limiting class 3
Sensors & Meters
Internal-temperature sensor Yes
Voltmeters 220–240 V~ 50/60 Hz
Voltmeters accuracy ±1%
Ammeters (RMS via CT) 0–63 A
Ammeters accuracy ±1% (2–63 A)
±2% (1–2 A)
±5% (0–1 A)
Power & energy meters Active & apparent power
Active & apparent energy
Power factor
Fundamental active & reactive energy
No-load threshold 30 VA per channel
Measurement data storage At least 7 days @ 1‑min resolution
Data export CSV for PQ recorded values
JSON export via RPC
Radio
Wi‑Fi
RF band 2401–2483 MHz
Max. RF power < 20 dBm
Protocol 802.11 b/g/n
Range Up to 50 m outdoors / 30 m indoors
Bluetooth
Protocol 4.2 BLE
RF band 2400–2483.5 MHz
Max. RF power < 4 dBm
Range Up to 30 m outdoors / 10 m indoors
Microcontroller Unit
CPU ESP‑Shelly‑C38F
Flash 8 MB
Firmware Capabilities
Webhooks (URL actions) 20 hooks, 5 URLs per hook
Wi‑Fi range extender Yes
BLE Gateway Yes
Scripting Yes
MQTT Yes
Encryption Yes

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