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CT101 Smart Current Transformer

SKU: CT101-915M


Go Wireless, Stay Non-Invasive

Key Features:

  • Self-Powered Operation
  • Superior Accuracy with Up to 3.3kHz Frequency
  • Real-time Accumulated Ampere Hour Calculation
  • Non-invasive Installation
  • Irregular Current Status Alert
  • External Wire Temperature Sensor
  • Detachable and Cable-Free Design
  • LoRaWAN® Wireless Technology

Description

Product Overview

The Milesight CT10x is a LoRaWAN current transformer sensor designed to monitor AC current in electrical systems. It provides accurate current measurement and reports over long-range wireless networks, making it suitable for energy monitoring, load tracking, equipment protection and preventive maintenance. The compact design and easy installation allow it to be used in panel boards, switch cabinets, industrial environments and smart building systems where continuous current insight helps optimise performance and reduce risk.

Key Features

Accurate Current Monitoring

  • Detects AC in power lines for measurement and tracking

  • Provides reliable real-time current data for electrical systems

  • Helps identify overload, underload or abnormal current conditions

LoRaWAN Connectivity

  • Wireless LoRaWAN protocol enables long-range communication to gateways

  • Low-power design supports extended battery life for long-term deployments

  • Compatible with LoRaWAN network servers and IoT platforms for remote data access

Durable Industrial Design

  • Compact housing for easy installation in electrical cabinets or panels

  • Designed for industrial and commercial applications with minimal maintenance

  • Lightweight construction suited to distributed monitoring systems

Flexible Deployment

  • Ideal for energy monitoring in factories, buildings and infrastructure

  • Supports integration with automation and building management systems

  • Enables preventive maintenance and performance optimisation

Dimensions Drawings

 

 

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More Information

Brand Milesight IoT
Specifications

Electrical Measurement

RMS current detection

Sampling Frequency

3.3 kHz

Working Frequency

50 to 60 Hz

Rated Primary Current

100 Arms

Rated Secondary Current

100 mArms

Minimum Reporting Current*

6 Arms (1 min interval)

4 Arms (10 min interval)

Measurement Accuracy

±1% (>5 Arms)

±3% (≤5 Arms)

Resolution

1 mA

Temperature Sensor

NTC

Temperature Measuring Range

-20°C to 100°C

Temperature Accuracy

±1%

Wireless Protocol

LoRaWAN®

Antenna Connector

1 × 50 Ω SMA connector (center pin: SMA female)

Frequency Bands

CN470, IN865, RU864, EU868, US915, AU915, KR920, AS923-1/2/3/4

Transmit Power

16 dBm (868 MHz)

22 dBm (915 MHz)

19 dBm (470 MHz)

Receiver Sensitivity

-137 dBm

LoRaWAN Mode

OTAA / ABP, Class A

Buttons

1 × reboot button

LED Indicator

1 × status / alarm indicator

Interface Port

1 × USB Type-C for power, configuration, console or cable temperature sensor

Configuration Methods

USB Type-C or downlink

Software Features

Threshold alarm

Overrange alarm

FUOTA

Power Supply Options

Induced current power supply

5V via USB Type-C

Insulation Voltage

2.5 kVac (r.m.s), 1 mA for 1 minute

Material & Colour

Blue, PBT + PC (UL94 V0)

Extension Cable Length

1 m

Operating Temperature

-20°C to 70°C (-4°F to 158°F)

Storage Temperature

-25°C to 80°C (-13°F to 176°F)

Operating Humidity

≤95% RH (non-condensing)

Ingress Protection

IP30

Dimensions

86.5 × 31 × 37.4 mm (3.4 × 1.22 × 1.47 in)

Wire Hole Diameter

16 mm (0.63 in)

Weight

85.65 g

Installation

Transceiver: cable-tie mounting (integrated mode)

CT clamp: suspended on testing conductor

Regulatory Approvals

CE, FCC, UL508

* The minimum current required for reporting depends on the reporting interval when powered by the testing conductor. For lower current measurements, the device must be powered via USB.

Ordering Information

CT101-915M
LoRaWAN® Smart Current Transformer 100A

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