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Milesight CT305 Smart Current Transformer

Milesight CT310 Smart Current Transformer

Milesight CT303 Smart Current Transformer

Milesight Smart Current Transformer Introduction

The Smart Current Transformer is a LoRaWAN-enabled device with an innovative, non-intrusive quick installation. It accurately estimates energy consumption with a sampling rate up to 3.3kHz and calculates cumulative ampere-hours every second, helping identify energy usage patterns for effective savings.

  • OVERVIEW

    Unlock Smart Energy Management

    Introducing Milesight’s 3-Phase Smart Current Transformer, a cutting-edge solution designed for efficient energy consumption monitoring and analysis. This advanced transformer offers a variety of current options to meet diverse energy monitoring needs, while seamlessly transmitting threshold alarms to improve operational awareness. Its compact design ensures a swift and secure installation process in indoor environments without the need to de-energize systems, leading to significant cost savings and simplified setup.

    The user-friendly current clamp probe ensures non-invasive, quick installation, minimising the risk of circuit damage and power interruptions. With a one-to-three configuration, the transformer can simultaneously measure electricity usage across three different objects, improving its applicability in various monitoring scenarios.

    The Smart Current Transformer is fully compatible with the Milesight LoRaWAN® gateway and the Milesight Development Platform, allowing for effortless remote monitoring via a user-friendly webpage interface. This versatile device is ideal for applications in smart building energy management, as well as proactive machine failure detection and prevention.

    Improve your energy monitoring capabilities with this Smart Current Transformer, where innovation meets convenience.

    Features:

    • Reports RMS current and accumulative data at minute intervals
    • Delivers high measurement accuracy with a sampling frequency up to 3.3 kHz
    • Operates without batteries or external wiring due to its self-powered design
    • Offers real-time monitoring with a sampling rate of up to 1 second for prompt alarm responses
    • Features a non-invasive clamp design for easy and safe installation without the need to de-energize power sources
    • Includes an LED indicator to display operational status and alerts
    • Supports external wire temperature sensors for comprehensive cable temperature monitoring
    • Capable of simultaneous three-phase detection with an extensive detection range of either 300A, 500A or 1000A
    • Fully compatible with standard LoRaWAN® gateways and network servers
    • Integrates seamlessly with the Milesight Development Platform

    Self-Powered: No Batteries, No Limits

    This Smart Current Transformer derives power directly from the circuit being measured, eliminating the need for batteries and ensuring uninterrupted operation.

    Superior Accuracy with Real-Time Energy Tracking

    The Smart Current Transformer offers precise energy monitoring with its high sampling frequency of up to 3.3kHz. It provides real-time ampere-hour calculations every second, enabling accurate analysis of current consumption to support energy conservation and cost reduction efforts.

    IMPORTANT – Sensor Operation

    Please note: For wireless network capabilities, an applicable Gateway is required to utilise the IoT Cloud software as demonstrated below.

     

  • GATEWAYS

    Milesight LoRaWAN Gateway Options – Enhancing Connectivity and Efficiency in IoT Networks

    A robust gateway is a critical component for seamless connectivity and efficient data transmission. Serving as the bridge between IoT devices and the cloud, Milesight LoRaWAN gateways offer unparalleled performance and versatility.

    Choose the Milesight LoRaWAN gateway that best suits your specific requirements, and experience unparalleled connectivity, efficiency, and reliability in your wireless IoT network.

    Learn more here >>

  • IOT CLOUD

    Empowering Device-to-Cloud Connection

    The Milesight IoT platform seamlessly integrates LoRaWAN® sensors and controllers with the robust security of AWS infrastructure, ensuring your data’s safety. This integration simplifies the monitoring and control of remote assets by transforming real-time and historical data into intuitive dashboard widgets. You can access your projects remotely and stay informed with real-time alerts via email and mobile, ensuring you never miss critical updates. Interact with our Live Demo Dashboard here >>

    For a reliable and user-friendly IoT cloud solution, choose Milesight IoT Cloud.

    Learn more here >>

  • SPECIFICATIONS

     

    CT303

    CT305

    CT310

    Electrical Measurement

    Detection ParameterRMS Current
    Sampling Frequency3.3 kHz
    Working Frequency50~60 Hz
    Rated Primary Current (Per CT)300 Arms500 Arms1000 Arms
    Rated Secondary Current150 mArms
    Minimum Reporting Current 125Arms (1min Interval)
    15Arms (10min Interval)
    30Arms (1min Interval)
    19Arms (10min Interval)
    60Arms (1min Interval)
    35Arms (10min Interval)
    Accuracy±1 %
    Resolution1 mA
    Temperature SensorSensor type: 1 × NTC Sensor
    Measuring range: -20°C ~ 100°C
    Measuring accuracy: ±1 %

    Wireless Transmission

    ProtocolLoRaWAN®
    Antenna Connector1 × 50 Ω SMA Connector (Center PIN: SMA Female)
    FrequencyCN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4
    Tx Power16 dBm (868 MHz)/20 dBm (915 MHz)/19 dBm (470 MHz)
    Sensitivity-137dBm
    ModeOTAA/ABP Class A

    Others

    Button1 × Reboot Button
    LED Indicator1 × Status/Alarm Indicator
    Port1 × USB Type-C for Power Supply, Configuration, Console or Cable
    Temperature Sensor Connection

    Software

    ConfigurationUSB Type-C or Downlink
    Advanced FeatureThreshold Alarm, Overrange Alarm, FUOTA

    Physical Characteristics

    Power Supply1. Induced current power supply2
    2. 5V by USB Type-C Port
    Insulation Voltage3kVac(r.m.s)(1mA/1min)
    Color/MaterialBlue, PBT+PC (UL94 V0)
    Cable Length1m
    Operating TemperatureTransceiver: -20°C~70°C (-4°F~158°F)
    CT Clamp: -40°C~55°C (-40°F~131°F)
    Storage TemperatureTransceiver: -25°C~80°C (-13°F~176°F)
    CT Clamp: -40°C~55°C (-40°F~131°F)
    Relative Humidity≤ 95% (Non-condensing)
    Ingress ProtectionIP30
    DimensionsTransceiver: 38 × 34.5 × 16 mm (1.5 × 1.36 × 0.63 in)
    CT Clamp:
    56.5 × 36.5 × 68.5 mm
    (2.24 × 1.44 × 2.70 in)
    CT Clamp:
    68 × 86 × 41.8 mm
    (2.68 × 3.39 × 1.65 in)
    CT Clamp:
    97.1 × 119 × 59.5 mm
    (3.82 × 4.69 × 2.34 in)
    Wire Hole: Ф 24.2 mm
    (Ф 0.95 in)
    Wire Hole: Ф 36.5 mm
    (Ф 1.44 in)
    Wire Hole: Ф 51 mm
    (Ф 2.01 in)
    WeightTransceiver: 13.05 g
    Per CT Clamp: 250 gPer CT Clamp: 276.75gPer CT Clamp: 855.55 g
    InstallationTransceiver: Cable-tie Mounting (under integrated mode)
    CT Clamp: Suspended on the Testing Conductor

    Approvals

    RegulatoryCE, FCC, UL508

     

Milesight CT3XX – 3-Phase Smart Current TransformerAuthorized

$224.00 – $542.00Price range: $224.00 through $542.00 ex GST

Milesight’s 3-Phase LoRaWAN® Smart Current Transformer accurately estimates energy consumption with a sampling rate up to 3.3kHz and calculates cumulative ampere-hours every second, helping identify energy usage patterns for effective savings. Perfect for smart building energy optimisation and proactive machine failure detection, it’s an essential tool for modern infrastructure.

NOTE: Gateway Required for Milesight System Operation – Refer to Tab Below

Part Number: CT3XX-915M Category: Products

Purchase Options

3-Phase Smart Current Transformer with 300A Current Capacity 

Part number: CT303-915M

Unit Price: $224.00

$224.00 ex GST

Add to quote loading
3-Phase Smart Current Transformer with 500A Current Capacity 

Part number: CT305-915M

Unit Price: $345.00

$345.00 ex GST

Add to quote loading
3-Phase Smart Current Transformer with 1000A Current Capacity

Part number: CT310-915M

Unit Price: $542.00

$542.00 ex GST

Add to quote loading

Product Resources

←
→

CT3XX Smart Current Transformer Datasheet

CT3XX Smart Current Transformer User Guide

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