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Shelly Pro EM-50 - single-phase LAN/WiFi/Bluetooth energy meter
Brand: Shelly
Product Code: AN-24400
Availability: 4-7 business days
Planuojama gavimo data po užsakymo: 2025-05-12
Product Code: AN-24400
Availability: 4-7 business days
Planuojama gavimo data po užsakymo: 2025-05-12
Ex Tax: 82.40€
Introducing the Shelly Pro EM-50: a versatile DIN rail mountable energy meter. With LAN connectivity and gen2 firmware, it offers professional integrators flexible solutions. It tracks energy usage in real-time, storing data for up to 60 days.Accessible remotely, it seamlessly integrates with automation systems. Plus, it features a built-in relay for easy control.
Features
- 4 Quadrant measurement
- DIN rail mounting
- Current transformer connection
- External contactor control via built in dry-contact relay
- Optical pulse indication of energy usage
- Real-time clock
- Data logs
- Accuracy Class B (IEC 62053-21)
- Photovoltaic ready
- Residential
- MDU (Multi Dwelling Units - apartments, condominiums, hotels, etc.)
- Light commercial (small office buildings, small retail/restaurant/gas station, etc.)
- Industrial (factories, power plants, water processing, refineries, etc.)
- Agricultural (farms, barns, silos, etc.)
- Government/municipal
- University/college
Device electrical interfaces
Inputs
- 2 line inputs on screw terminals: 1 L and 1 N
- 2 current transformer inputs: IA and IB for current measurement
Outputs
- 2 galvanically isolated relay terminals: I and O
Ethernet port
- 1 RJ45 connector
- Wi-Fi
- Ethernet
- Bluetooth
Each connectivity option can be enabled or disabled by the user.
Safety features
- Overheating protection
- Resistive (incandescent bulbs, heating devices)
- Capacitive (LED light drivers, capacitor banks, electronic equipment, motor start capacitors)
- Inductive (transformers, fans, refrigerators, air-conditioners)
Inputs
- One tactile dome button
- Press briefly to toggle the state of the built-in relay.
- Press and hold for 5 sec to activate Device AP.
- Press and hold for 10 sec to factory reset.
Outputs
- LED indication
- Power: Red light if the power supply is connected.
- Wi-Fi (varies):
- Blue light if in AP mode.
- Red light if in STA mode, and not connected to a Wi-Fi network.
- Yellow light if in STA mode, and connected to a Wi-Fi network. Not connected to Shelly Cloud or Shelly Cloud disabled.
- Green light if in STA mode, and connected to a Wi-Fi network and the Shelly Cloud.
- The LED will be flashing Red/Blue if OTA update is in progress.
- LAN: Green light if LAN is connected.
- Out: Red light if the output relay contact is closed.
- Count: Red light will be flashing when the Device is measuring energy according to settings with frequency dependent on the energy flowing through the measured circuit.
Physical:
- Size (HxWxD): 94x19x69 ±0.5 mm / 3.70x0.75x2.71 ±0.02 in
- Weight: 63 ±1 g / 2.22 ±0.05 oz
- Mounting: DIN rail
- Screw terminals max torque: 0.4 Nm / 4.43 lbin
- Conductor cross section: 0.5 to 2.5 mm² / 20 to 14 AWG (solid, stranded and bootlace lugs)
- Conductor stripped length: 6 to 7 mm / 0.24 to 0.28 in
- Shell material: Plastic
- Color: White
Environmental:
- Ambient 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 voltage AC: 100 - 260 V, 50/60 Hz
- Power consumption: < 3 W
- Output circuits ratings:
- Max switching voltage AC: 240 V
- Max switching current: 2 A
- Internal-temperature sensor: Yes
- Voltmeter (RMS): 100 - 260 V
- Voltmeters accuracy: ±1 %
- Ammeters (RMS via CT): 0 - 50 A
- Ammeters accuracy: ±1 % (5 - 50 A), ±2 % (0 - 5 A)
- Power and energy meters: Active and apparent power, Active and apparent energy, Power factor
- Measurement data storage: At least 60 days of 1 min data resolution
- Data export: CSV for PQ recorded values, JSON format export through RPC
Radio:
- RF band: 2400 - 2495 MHz
- Max. RF power: <20 dBm
- Wi-Fi protocol: 802.11 b/g/n
- Wi-Fi Range: Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors (Depends on local conditions)
- Bluetooth Protocol: 4.2
- Bluetooth Range: Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors (Depends on local conditions)
MCU:
- CPU: ESP32-D0WDQ6
- Flash: 16 MB
- Firmware capabilities:
- Webhooks (URL actions): 20 with 5 URLs per hook
- Scripting: Yes
- MQTT: Yes
- CoAP: No
