3-phase current meter with 3 x 75 A CT for Electrical Appliances Proactive Maintenance R718N37

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R718N37 is powered by battery and obtains the load AC current value through the current transformer. The device adopts the clamp-on current transformer, which can be conveniently connected to the measuring device.


  • Apply SX1276 wireless communication module
  • 2 ER14505 battery (3.6V/section) in parallel power supply
  • Protection level: host body IP53, sensor IP30
  • The base is attached with a magnet that can be attached to a ferromagnetic material object
  • Adopt clamp-on current transformer, it can easily connect to the device to be detected
  • LoRaWANTM Class A compatible
  • Frequency Hopping Spread Spectrum (FHSS)
  • Third-Party online wireless sensor monitoring and notification system to configure sensors, view data and set alerts via SMS text and email (optional)
  • Available third-party platform: Actility/ThingPark, TTN, MyDevices/Cayenne
  • Improved power management for longer battery life
  • Battery Life*2:


R718N37 Datasheet