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Split Core Current Transformer
Split Core Current Transformer
Split Core Current Transformer
Split Core Current Transformer

Compact Hinged Split Core Current Transformer

AcuCT Hinged Series

This ultra compact & light-weight hinged split-core current transformer is designed for installation on branch circuits within the electrical panel. This split-core CT is ideal for easy installation without disconnecting cables.
  • Quick & simple install with hinged clip
  • Safe mV secondary output
  • 5A – 630A AC current input range
  • 0.5% accuracy from 10-120% of rated current
  • UL recognized
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AcuCT Hinged Models

The AcuCT Hinged series split-core current transformer is available in a variety of sizes and input ranges.


AcuCT-H040
AcuCT-H063
AcuCT-H100
AcuCT-H138
Input Range5A-75A5A-150A5A-250A10A-630A
Typical Input5A, 20A, 30A, 40A, 50A, 60A50A, 100A, 150A100A, 120A, 200A, 250A200A, 400A, 600A
Rated Option333mV333mV333mV333mV
Window Diameter Size (in)0.40.6311.38
Window Diameter Size (mm)10.21625.435
Exterior Dimensions (in)1.16 x 1.64 x 1.041.42 x 2.09 x 1.22 x 2.76 x 1.522.56 x 3.27 x 1.57
Exterior Dimensions (mm)29.4 x 41.7 x 26.436 x 53 x 30.550.8 x 70.1 x 38.665 x 83 x 40
Accuracy0.5%0.5%0.5%0.5%
Standard/ CertificationsUR, CE, RoHSUR, CE, RoHSUR, CE, RoHSUR, CE, RoHS
Weight0.2 lbs0.3 lbs0.4 lbs0.5 lbs
Form FactorHinged Split-Core CTHinged Split-Core CTHinged Split-Core CTHinged Split-Core CT

AcuCT-H040

Input Range5A-75A
Typical Input5A, 20A, 30A, 40A, 50A, 60A
Rated Option333mV
Window Diameter Size (in)0.4
Window Diameter Size (mm)10.2
Exterior Dimensions (in)1.16 x 1.64 x 1.04
Exterior Dimensions (mm)29.4 x 41.7 x 26.4
Accuracy0.5%
Standard/ CertificationsUR, CE, RoHS
Weight0.2 lbs
Form FactorHinged Split-Core CT

AcuCT-H063

Input Range5A-150A
Typical Input50A, 100A, 150A
Rated Option333mV
Window Diameter Size (in)0.63
Window Diameter Size (mm)16
Exterior Dimensions (in)1.42 x 2.09 x 1.2
Exterior Dimensions (mm)36 x 53 x 30.5
Accuracy0.5%
Standard/ CertificationsUR, CE, RoHS
Weight0.3 lbs
Form FactorHinged Split-Core CT

AcuCT-H100

Input Range5A-250A
Typical Input100A, 120A, 200A, 250A
Rated Option333mV
Window Diameter Size (in)1
Window Diameter Size (mm)25.4
Exterior Dimensions (in)2 x 2.76 x 1.52
Exterior Dimensions (mm)50.8 x 70.1 x 38.6
Accuracy0.5%
Standard/ CertificationsUR, CE, RoHS
Weight0.4 lbs
Form FactorHinged Split-Core CT

AcuCT-H138

Input Range10A-630A
Typical Input200A, 400A, 600A
Rated Option333mV
Window Diameter Size (in)1.38
Window Diameter Size (mm)35
Exterior Dimensions (in)2.56 x 3.27 x 1.57
Exterior Dimensions (mm)65 x 83 x 40
Accuracy0.5%
Standard/ CertificationsUR, CE, RoHS
Weight0.5 lbs
Form FactorHinged Split-Core CT