OmniWOT Products

CT305/CT310

Smart Current Transformer

Empowering Efficient Energy Management

SKU CT305/CT310 Category Tags ,
  •   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
  •   Non-invasive clamp design ensures easy and safe installation without the need for powerde-energizing
  •   Equipped with LED indicator to indicate working status and alarms
  •   Support external wire temperature sensor for cable temperature measurement
  •   Enable simultaneous detection of three phases with a significantly wide optional detectionrange of either 500A or 1000A
  •   Compliant with standard LoRaWAN® gateways and network servers
  •   Compliant with Milesight Development Platform
  • CT305
  • CT310
Electrical Measurement
Detection Parameter RMS Current
Sampling Frequency 3.3 kHz
Working Frequency 50~60 Hz
Rated Primary Current 500 Arms
Rated Secondary Current 150mA
Start Current 30 Arms
Accuracy ±1 %
Resolution 1 mA
Temperature Sensor Sensor type: 1 × NTC Sensor
Measuring range: -20°C ~ 100°C
Measuring accuracy: ±1 %
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)/20 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
Insulation Voltage 3kVac(r.m.s)(1mA/1min)
Color/ Material Blue, PBT+PC (UL94 V0)
Cable Length 1m
Operating Temperature Transceiver: -20°C~70°C (-4°F~158°F)
CT Clamp: -40°C~55°C (-40°F~131°F)
Storage Temperature Transceiver: -25°C~80°C (-13°F~176°F)
CT Clamp: -40°C~55°C (-40°F~131°F)
Relative Humidity ≤ 95% (Non-condensing)
Ingress Protection IP30
Dimensions Transceiver: 38 × 39.7 × 16 mm (1.5 × 1.56 × 0.63 in)
CT Clamp: 65.52 × 90 × 43 mm (2.58 × 3.54 × 1.69 in)
Wire Hole: Ф 36.6 mm (Ф 1.44 in)
Weight Transceiver: 13.05 g
Per CT Clamp: 276.75 g
Installation Transceiver: Cable-tie Mounting (under integrated mode)
CT Clamp: Suspended on the Testing Conductor

View Datasheet

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