Shelly 3EM-63T Gen3

A compact energy meter with flat terminals designed to monitor either a three-phase system or three independent single-phase circuits. It seamlessly integrates into smart home systems or professional setups, providing accurate, real-time data to optimize energy efficiency.
MSRP: $77.49
Manufacturer: Shelly Products
SKU: 3800235261941

Features

  • 4-quadrant measurement
  • Multiple connection types: three phase or single phase installations
  • Non-contact current measurements through current transformers
  • Phase sequence error detection (option)
  • No load threshold
  • Optical pulse indication of energy usage
  • Real-time clock: stored data keeps correct timestamps even if the internet connection is interrupted.
  • Data logs: up to 7 days of data stored on the device for later retrieval
  • Accuracy Class B (IEC 62053-21)
  • Photovoltaic ready

Specs

Power supply 220-240 V~ 50/60 Hz (between LA and N)
Power consumption < 2 W
External protection 63 A, tripping characteristic B or C, 6 kA interrupting rating, Energy limiting class 3
Internal-temperature sensor Yes
Voltmeters (RMS for each phase) 220-240 V~ 50/60 Hz
Voltmeters accuracy better than ±1%
Ammeters (RMS via integrated CT for each phase) 0 - 63 A (130 A saturation)
Ammeters accuracy ±1 % (2 - 63 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
No load threshold 30 VA
Measurement data storage At least 7 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: 2401 - 2483 МHz
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)
CPU ESP-Shelly-C38F
Flash 8 MB
Conductor aperture Ø8 mm / Ø0.3 in
Mounting Above or under DIN-rail mounted circuit breakers
Shell material Plastic
Schedules 20
Webhooks (URL actions) 20 with 5 URLs per hook
Scripting Yes
MQTT Yes
Ambient working temperature -20 °C to 40 °C / -5 °F to 105 °F
Humidity 30 % to 70 % RH
Max. altitude 2000 m / 6562 ft

 

Dimensions

HxWxD (without wires) 1.22" x 2.13" x 1.65"
Wires length 260 mm (including the flat terminal)
Weight (including the wire) 1.83 oz

 

Product Files

Features

  • 4-quadrant measurement
  • Multiple connection types: three phase or single phase installations
  • Non-contact current measurements through current transformers
  • Phase sequence error detection (option)
  • No load threshold
  • Optical pulse indication of energy usage
  • Real-time clock: stored data keeps correct timestamps even if the internet connection is interrupted.
  • Data logs: up to 7 days of data stored on the device for later retrieval
  • Accuracy Class B (IEC 62053-21)
  • Photovoltaic ready