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AcuCT S165 product images
Front-left angled view of the AcuCT S165 Solid-Core CT
Front-right angled view of the AcuCT S165 Solid-Core CT
Front view of the AcuCT S165 Solid-Core CT
Front-right angled view of the AcuCT S165 Solid-Core CT
CE Mark
ROHS Compliant

Solid-Core Current Transformer

The AcuCT S165 is a IEC 61869 Class 0.2 current transformer designed for precise current measurement in commercial and industrial systems. Supporting current rated inputs from 100A to 1200A with 5A, 1A, 80mA, 100mA, and 333mV outputs, the CT delivers revenue-grade accuracy for energy monitoring and billing applications when paired with high-accuracy energy meters.

  • 0.2% measurement accuracy per IEC 61869 Class 0.2.
  • Rated current input: 100A, 200A, 300A, 400A, 500A, 600A, 800A, 1000A, 1200A.
  • Operating range: 5%-120% of rated current.
  • Multiple output options: 5A, 1A, 80mA, 100mA, 333mV.
  • Frequency range: 50/60Hz
  • Burden/Resistance: 1.5-5VA / 10Ω@mA / 333mV: 0.83-10Ω (Select models)


About AcuCT S165 Series

Typical Ratio Error in IEC 61869 Class 0.2

Engineered for precision, the AcuCT S165 current transformer meets IEC 61869-2 Class 0.2 accuracy requirements across 5% to 120% of rated current, ensuring dependable performance in revenue-grade metering, load monitoring, and energy audits.

Typical Phase Displacement in IEC 61869 Class 0.2

Complying with IEC 61869-2 Class 0.2 phase displacement standards, the AcuCT S165 delivers highly accurate measurements of energy, reactive power, and power factor for tenant billing and load analysis, it ensures consistent, high-performance operation in commercial and industrial environments at standard 50/60 Hz frequencies.

Typical ratio error curve for Class 0.2 AcuCT S165
Typical phase displacement curve for Class 0.2 AcuCT S165
Typical ratio error curve for Class 0.2 AcuCT S165
Typical phase displacement curve for Class 0.2 AcuCT S165

AcuCT S165 Models

AcuCT S165
Input Ratings
Output Ratings
Accuracy
Window Size
Front-right angled view of the AcuCT S165 Solid-Core CT 100A 5A, 1A, 80mA,
100mA, 333mV		 IEC 61869 0.2 Ø 42.0mm
(1.65”)
200A 5A, 1A, 80mA,
100mA, 333mV		 IEC 61869 0.2 Ø 42.0mm
(1.65”)
300A 5A, 1A, 80mA,
100mA, 333mV		 IEC 61869 0.2 Ø 42.0mm
(1.65”)
400A 5A, 1A, 80mA,
100mA, 333mV		 IEC 61869 0.2 Ø 42.0mm
(1.65”)
500A 5A, 1A, 80mA,
100mA, 333mV		 IEC 61869 0.2 Ø 42.0mm
(1.65”)
600A 5A, 1A, 80mA,
100mA, 333mV		 IEC 61869 0.2 Ø 42.0mm
(1.65”)
800A 5A, 1A, 80mA,
100mA, 333mV		 IEC 61869 0.2 Ø 42.0mm
(1.65”)
1000A 5A, 1A, 80mA,
100mA, 333mV		 IEC 61869 0.2 Ø 42.0mm
(1.65”)
1200A 5A, 1A, 80mA,
100mA, 333mV		 IEC 61869 0.2 Ø 42.0mm
(1.65”)
AcuCT S165
Front-right angled view of the AcuCT S165 Solid-Core CT
Input Ratings
Output Ratings
Accuracy
Window Size
100A 5A, 1A, 80mA,
100mA, 333mV		 IEC 61869 0.2 Ø 42.0mm
(1.65”)
200A 5A, 1A, 80mA,
100mA, 333mV		 IEC 61869 0.2 Ø 42.0mm
(1.65”)
300A 5A, 1A, 80mA,
100mA, 333mV		 IEC 61869 0.2 Ø 42.0mm
(1.65”)
400A 5A, 1A, 80mA,
100mA, 333mV		 IEC 61869 0.2 Ø 42.0mm
(1.65”)
500A 5A, 1A, 80mA,
100mA, 333mV		 IEC 61869 0.2 Ø 42.0mm
(1.65”)
600A 5A, 1A, 80mA,
100mA, 333mV		 IEC 61869 0.2 Ø 42.0mm
(1.65”)
800A 5A, 1A, 80mA,
100mA, 333mV		 IEC 61869 0.2 Ø 42.0mm
(1.65”)
1000A 5A, 1A, 80mA,
100mA, 333mV		 IEC 61869 0.2 Ø 42.0mm
(1.65”)
1200A 5A, 1A, 80mA,
100mA, 333mV		 IEC 61869 0.2 Ø 42.0mm
(1.65”)