Milesight Smart Current Transformer CT101, CT103 & CT105

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The CT101, CT103 and CT105 are LoRaWAN® Smart Current Transformers for monitoring energy and analyzing consumption remotely. The CT101/CT103/CT105 provide multiple current options to suit energy monitoring and support sending threshold alarms. The compact size and clamp design allow them to be installed in any indoor space quickly and safely without de-energizing a facility, simplifying the installation and saving costs. The CT101, CT103 and CT105 can be used with any LoRaWAN gateway or network server. When used with Milesight LoRaWAN gateways and the Milesight IoT Cloud solution, CT101, CT103 and CT105 CTs can be monitored via webpage or mobile app remotely, without any code or additional server installation. The CT101, CT103 and CT105 are widely used for energy motoring and billing of smart buildings, machine failure detection and prevention, etc. Features 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. Specifications .blue-box { background-color: #eaf6ff; /* Light blue color */ padding: 5px; /* Adjust padding as needed */ } Model CT101 CT103 CT105 Electrical Measurement Detection Parameter RMS Current RMS Current RMS Current Sampling Frequency 3.3 kHz 3.3 kHz 3.3 kHz Working Frequency 50~60 Hz 50~60 Hz 50~60 Hz Rated Primary Current 100 Arms 250 Arms 500 Arms Rated Secondary Current 100 mArms 125 mArms 150 mArms Minimum Reporting Current 6Arms (1min), 4Arms (10min) 12Arms (1min), 6Arms (10min) 30Arms (1min), 10Arms (10min) Accuracy ±1 % (>5Arms), ±3 % (≤ 5Arms) ±1 % (>5Arms), ±3 % (≤ 5Arms) ±1 % (>5Arms), ±3 % (≤ 5Arms) Resolution 1 mA 1 mA 1 mA Wireless Transmission Protocol LoRaWAN Antenna Connector 1 × 50 Ω SMA Connector (Center PIN: SMA Female) Frequency CN470 IN865/RU864/EU868 US915/AU915/KR920/AS923 - 1&2&3&4 Tx Power 16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz) Sensitivity -137dBm Mode OTAA/ABP Class A Others Button 1 × Reboot Button LED Indicator 1 × Status/Alarm Indicator Port 1 × USB Type-C for Power Supply, Console or Cable Temperature Sensor Connection Configuration USB Type-C or Downlink Physical Characteristics Power Supply Induced current power supply, 5V by USB Type-C Port Insulation Voltage 2.5kVAC (RMS) (1mA/1min) Color/ Material Blue, PBT+PC (UL94 V0) Extension Cable Length 1m 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 (3.4 × 1.22 × 1.47 in), Wire Hole: Ф 16 mm (Ф 0.63 in) Transceiver:38 × 34.5 × 16 mm(1.5 × 1.36 × 0.63in), CT Clamp: 68 × 86 × 41.8 mm(2.68 × 3.39 × 1.65in), Wire Hole: Ф36.6mm(Ф1.44 in) Weight 85.65g Transceiver: 13.05g, CT Clamp: 276.75g Installation CT Clamp: Suspended on the Testing Conductor, Transceiver: Cable-tie Mounting (under integrated mode) Approvals Regulatory CE, FCC, UL508 Technical Documents Datasheet User Guide Payload Decoder LoRa is a registered trademark of Semtech Corporation. LoRaWAN is a trademark of the LoRa Alliance. USB-C is a registered trademark of USB Implementers Forum. MCCI and MCCI Catena are registered trademarks of MCCI Corporation. All other trademarks are the property of their respective owners. Show more