Overview

This document details the technical specifications and product information for the CT24 series of split-core AC current transformers by Thousand Hundred Industrial Co., Ltd. Designed for 50/60 Hz operation, these transformers are intended for current measurement and power monitoring applications.

Product Range and Identification

The CT24 series includes various models distinguished by suffixes (e.g., CT24-1, CT24-2, CT24-A, CT24-B) that differ in core size, current rating, and output type (1A, 5A, or voltage output). Each model is defined by its mechanical dimensions: inner diameter (ID), outer diameter (OD), and height (HT), specified in millimeters and inches.

Key Specifications

• Frequency Range: 50/60 Hz
• Operating Temperature: -40°C to +85°C
• Storage Temperature: -45°C to +90°C
• Rated System Voltage: 380V AC
• Isolated Voltage: 4000V AC for 1 minute at 1mA
• Core Material: Silicon (S) or Mn-Zn (M)
• Output Types: 1A, 5A, or various voltage outputs
• Terminals: PC board or lead wire assembly
• Compliance: UL/CE Approved (UL file E318452), CE Approved (No: AT011602372S), RoHS Compliant
• Standards: IEC 61869

Applications

• Precision power metering
• Current measurement
• Power monitoring
• Analog to digital circuit interfacing
• Metering and sensing overload current
• Low-cost current transformer applications

Product Coding and Designation

The product code format includes:

• CT24: Series identifier
• Core Material: 'S' for Silicon, 'M' for Mn-Zn
• Number of Turns: Numeric digits multiplied by 10 (e.g., 200 means 2000 turns)
• Current Rating: Numeric value indicating primary current (e.g., 60 for 60A)
• Output Type: 'L' for lead wires, 'T' for terminal

Performance Parameters

• Current or Voltage Ratio: Examples include 60A/1A or 300A/1V
• Accuracy Class: Standard ranges from 0.1% to 0.5%; customer designs available from 0.5% to 10%
• Turns Ratio (Np:Ns): Primary to secondary turns ratio, e.g., 1:60
• Burden (RL or Rb): Load resistance in ohms, typically 0.1VA or specified ohms for voltage outputs
• Mechanical Dimensions: OD, ID, and height in mm and inches
• Approximate Weight: Provided in grams

Mechanical and Dimensional Data

Detailed mechanical dimensions for each model are provided, including outer diameter, inner diameter, and height. These are essential for ensuring proper installation and compatibility with electrical panels or equipment.

Certifications and Compliance

• UL/CE Approval (UL file number E318452)
• CE Approval No: AT011602372S
• RoHS Compliance ensuring environmentally safe materials
• Conformance to IEC 61869 standard for current transformers

Customization and Customer Design

Many models offer customization options, including adjustable accuracy classes (0.5% to 10%) and burden resistances, to meet specific application requirements.

Contact Information

For further information or custom orders, contact via email at [email protected] or visit the website www.thic.net.

Summary

The CT24 series split-core current transformers provide a versatile, compliant solution for AC current measurement across a broad range of currents and sizes. Their adherence to international standards, multiple certifications, and customizable options make them suitable for precision metering, power monitoring, and industrial applications.

Additional Document Details

The document also includes certification and compliance information confirming the product meets recognized safety and environmental standards, with measurement units in mm/inches and certification marks such as UL/CE and RoHS. The manufacturer’s website and certification file numbers are provided for traceability and further reference.