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Split Core Current Transformers (CTSA Series)

Applications

  • Electric motors
  • Smart lighting solutions
  • Power management
  • Building automation systems

Features

  • Low cost
  • 4 standard sizes
  • Split core design for safer and easier installation
Download Datasheet

Specifications

  • Rated primary input:
    5-1200A AC
  • Rated secondary output:
    0.333V AC / 5A AC / 1A AC / customer specified
  • Accuracy class:
    0.5, 1.0, 3.0
  • Operating temperature:
    -15℃ to +50℃
  • Max voltage for equipment (RMS):
    0.72kV AC
  • Dielectric strength:
    4000V AC, 10 seconds
  • Insulation resistance:
    100MΩ @ 500V DC
  • Frequency:
    50Hz - 1kHz
  • Case material:
    PC (UL flame retardant rating 94-V0)
  • IEC 61869-1 and IEC 61869-2 compliant
  • RoHS compliant
  • CE approved
  • UL approved

Product Overview

The CTSA Series Split Core Current Transformer from YuanXing Electronics enables safe, non-invasive AC current monitoring. Featuring a split core design for easy installation without disconnecting conductors, it comes in four sizes with a primary input range of 5-1200A. This 5A split core current transformer offers secondary outputs of 5A, 1A, or 0.333V, with accuracy classes from 0.5 to 3.0. The unit, housed in a UL94-V0 flame-retardant case, operates from -15℃ to +50℃ and is rated for equipment up to 0.72kV. This reliable 5A split core current transformer is compliant with IEC 61869, RoHS, CE, and UL standards.

Typical Products

Image Part Number Rated Input (A) Turn Ratio Frequency (Hz) Secondary Burden (Ω) Accuracy Class Dimensions (mm) PDF
Image TA1111 5~30 1000:1
2000:1
2500:1 		50 to 400 ≤200 0.1
0.2
0.5 		ID-L-W-H 7.0-22.0-18.0-23.0
Image TA1311 5~80 1000:1
2000:1
2500:1 		50 to 400 ≤800 0.1
0.2
0.5 		ID-L-W-H 7.0-22.0-18.0-23.0
Image Part Number Rated Input (A) Turn Ratio Frequency (Hz) Secondary Burden (Ω) Accuracy Class Dimensions (mm) PDF
Image2 CTT0150 5-150 1：1000
1：2000
1：3000
1：5000 		50 to 400 50-400 0.1
0.2 		15-58-23-45

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    Frequently Asked Questions

    Honeywell needed a stable and highly accurate way to measure current fluctuations in large commercial buildings. Existing sensors often produced noise and drifted over time, creating errors in smart energy dashboards

    Honeywell needed a stable and highly accurate way to measure current fluctuations in large commercial buildings. Existing sensors often produced noise and drifted over time, creating errors in smart energy dashboards

    Honeywell needed a stable and highly accurate way to measure current fluctuations in large commercial buildings. Existing sensors often produced noise and drifted over time, creating errors in smart energy dashboards

    Honeywell needed a stable and highly accurate way to measure current fluctuations in large commercial buildings. Existing sensors often produced noise and drifted over time, creating errors in smart energy dashboards

    Honeywell needed a stable and highly accurate way to measure current fluctuations in large commercial buildings. Existing sensors often produced noise and drifted over time, creating errors in smart energy dashboards