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Milesight CT3XX - 3-Phase Smart Current Transformer

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.
Part Number: CT3XX-915M
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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 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.


Milesight Monitoring Solution

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.

Discover which Milesight LoRaWAN gateway is right for you >>

Milesight LoRaWAN Gateways


UG63 - Streamlined Connectivity for Smaller Spaces

Designed for smaller office spaces, art galleries, museums, schools, laboratories, and similar clean indoor environments, the UG63 gateway ensures reliable and secure connectivity for your IoT devices. Not only does it excel in these confined areas, but it also serves as a range extender, effectively eliminating blind spots in larger networks.


UG65 - Powerhouse Performance for Larger Areas

When it comes to larger areas like multistorey buildings, large offices, museums, art galleries, schools, and factories, the UG65 gateway stands out. With its robust construction and impressive IP65 rating, this gateway thrives in demanding environments, including factory settings and sheltered outdoor areas. It guarantees uninterrupted connectivity and efficient data transmission even in challenging conditions.


UG56 - Seamless Integration for Semi-Industrial Installations

For semi-industrial installations, where the gateway needs to be housed inside an electrical enclosure with the antenna on top, the UG56 gateway is the perfect choice. Its unique design allows easy panel mounting and makes it ideal for factory use in dry and clean enclosures. Enjoy seamless integration and optimal performance for your IoT network.


UG67 - Uncompromising Reliability for Outdoor Applications

When it comes to outdoor usage and long-distance coverage, the UG67 gateway reigns supreme. Equipped with an impressive IP67 rating, this gateway can withstand the harshest weather conditions. Whether it's agricultural settings, smart city infrastructure, or large heavy industrial sites, the UG67 delivers exceptional performance and reliable long-range signal transmission of up to approximately 15km.


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

Device-to-Cloud Connection


Our platform provides unparalleled levels of vertical integration with Milesight LoRaWAN® sensors and controllers, making it easy to monitor and control remote assets. Plus, It visualizes field data and enables users to monitor and control remote assets via an intuitive dashboard. With its array of handy widgets, including a clock, map, charts, and alarm list, you can easily keep track of your devices' online/offline status and customize multiple combinations of conditions and triggers.

  • Visualisation: Transform real-time and historical data intro drag-and-drop widgets on dashboard
  • Monitoring & Control: Control access and monitor your projects anywhere
  • Alerts: Enable email and mobile push notifications based on triggered events
  • Security & Reliability: Built on AWS to provide the most confidential and reliable infrastructure for your data

View Demo Dashoard 

 


If you're looking for a reliable, user-friendly IoT cloud solution, look no further than Milesight IoT Cloud.

Learn more here >>

 


Milesight IoT Cloud

 



Technical Information

Model

CT305

CT310

Electrical Measurement

Detection Parameter RMS Current
Sampling Frequency 3.3 kHz
Working Frequency 50~60 Hz
Rated Primary Current 500 Arms 1000 Arms
Rated Secondary Current 150mA
Start Current 30 Arms 60 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)
Transceiver: 38 × 39.7 × 16 mm
(1.5 × 1.56 × 0.63 in)
CT Clamp: 97.9 × 119 × 60mm
(3.85 × 4.69 × 2.36 in)
Wire Hole: Ф 51 mm (Ф 2.01 in)
Weight Transceiver: 13.05 g
Per CT Clamp: 276.75 g
Transceiver: 13.05 g
Per CT Clamp: 855.55 g
Installation Transceiver: Cable-tie Mounting (under integrated mode)
CT Clamp: Suspended on the Testing Conductor

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 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.


Milesight Monitoring Solution

Picture of Milesight CT305 -  3-Phase Smart Current Transformer (500A)
Milesight CT305 - 3-Phase Smart Current Transformer (500A)
With 500A Current Capacity
Part Number: CT305-915M
$320.00 ex GST
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Picture of Milesight CT310 -  3-Phase Smart Current Transformer (1000A)
Milesight CT310 - 3-Phase Smart Current Transformer (1000A)
With 1000A Current Capacity
Part Number: CT310-915M
$500.00 ex GST
i h