Smart Current Transformer CT101 & CT103
Smart Current Transformer CT101 & CT103
Smart Current Transformer CT101 & CT103

Smart Current Transformer CT101 & CT103

Regular price $ 84.00 $ 0.00

SKU: 123003477

CT10x is a LoRaWAN® Smart Current Transformer for monitoring energy and analyzing consumption remotely.

CT10x provides multiple current options to suit energy monitoring and support sending threshold alarms.

The compact size and clamp design allow it to be installed in any indoor space quickly and safely without de-energizing a facility, simplifying the installation and saving costs.

Compliant with Milesight LoRaWAN gateway and Milesight IoT Cloud solution, CT10x can be monitored via webpage or mobile App remotely.

CT10x is widely used for energy motoring and billing of smart buildings, machine failure detection and prevention, etc.


  • Report the RMS current and accumulated current data by minutes.
  • High measuring accuracy with a sampling frequency of up to 3.3 kHz.
  • Self-powered, free from batteries or external wires.
  • Utilize a sampling rate of up to 1s for real-time monitoring and quick alarm response.
  • The compact size allows for installation in narrow scenarios.
  • Non-invasive clamp design ensures easy and safe installation without the need for power de-energizing.
  • Equipped with LED indicator to indicate working status and alarms.
  • Compliant with standard LoRaWAN gateways and network servers.
  • Compliant with Milesight IoT Cloud.


Model CT101 CT103
Electrical Measurement
Detection Parameter RMS Current RMS Current
Sampling Frequency 3.3 kHz 3.3 kHz
Working Voltage Typical 100~480VAC, 50~60 Hz Typical 100~480VAC, 50~60 Hz
Maximum Input Current 100 Arms 300 Arms
Minimum Input Current 1 Arms 2 Arms
Accuracy ±1 %
Resolution 1 mA
Wireless Transmission
Protocol LoRaWAN
Antenna Connector 1 × 50 Ω SMA Connector (Center PIN: SMA Female)



US915/AU915/KR920/AS923 - 1&2&3&4

Tx Power 16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz) 16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz)
Sensitivity -137dBm
Mode OTAA/ABP Class A
Button 1 × Reboot Button
LED Indicator 1 × Status/Alarm Indicator
Configuration USB Type-C or Downlink
Physical Characteristics
Power Supply Induced current power supply
Insulation Voltage 2.5kVac(r.m.s)(1mA/1min)
Color/ Material Black, Nylon PA66 (UL94 V2)
Operating Temperature -20°C~70°C (-4°F~158°F)
Storage Temperature -25°C~80°C (-13°F~176°F)
Relative Humidity ≤ 95% (Non-condensing)
Ingress Protection IP30
Dimensions 86.5 × 31 × 37.4 mm (5.7 × 3.54 × 1.47 in) Wire Hole: Ф 16 mm (Ф 0.63 in)
Weight 85.65g
Installation Suspended on the Testing Conductor

Technical Documents

LoRaWAN is a registered trademark of the LoRa Alliance. LoRa is a registered trademark of Semtech Corporation. MCCI is a trademark of MCCI Corporation. All other trademarks are the property of their respective owners.

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