CT3xx is a LoRaWAN® Smart Current Transformer for monitoring energy consumption and analyzing usage remotely. CT3xx provides multiple current options to suit energy monitoring and supports sending threshold alarms. Its compact size enables quick and safe installation in any indoor space without de-energizing facilities, thereby simplifying the installation and saving costs. Compliant with Milesight LoRaWAN® gateway and Milesight Development Platform solution, CT3xx can be conveniently monitored via webpage remotely. CT3xx is widely used for energy monitoring in smart buildings, machine failure detection and prevention, etc.

• self-powered operation
• superior accuracy with up to 3.3kHz frequency
• real-time accumulated ampere hour calculation
• non-invasive installation
• irregular current/temperature status alert
• innovative one-to-three design
• LoRaWAN® wireless deployment

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
• 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
• support external wire temperature sensor for cable temperature measurement
• enable simultaneous detection of three phases with a significantly wide optional detection range of either 500A or 1000A
• compliant with standard LoRaWAN® gateways and network servers
• compliant with Milesight Development Platform

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
  • CT clamp: 65.52 × 90 × 43 mm
  • wire hole: Ф 36.6 mm 
• 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

Multi-Target Current Measurement

• with a one-to-three design, the current transformer can be applied to measuring up to three different objects' electricity

Non-Invasive Installation

• the user-friendly current clamp probe is designed for non-invasive and quick installation, eliminating the risk of circuit damage or power interruptions

Self-powered: no batteries, no limits

• the CT3xx is designed to derive power directly from the measured circuit, eliminating the constraints of batteries while ensuring seamless operation

Superior accuracy

• outperform other competitors on the market, CT3xx boasts an impressive high sampling frequency of up to 3.3kHz, guaranteeing unparalleled accuracy and detail

Efficient energy tracking at one-second interval

• calculate accumulated ampere hour in real-time at a one-second interval. This enables precise current consumption monitoring and analysis, achieving goals such as energy conservation and reduced operational costs

Typical applications:

• factory
• hospital
• office building
• commercial building