Current Transformers

Current Transformers

High Specification Line of AC Current Transformers. Custom built in-house, our high accuracy industrial split-core and flexible current transformers are among the industry's highest specification CT and offer exceptional value.

AcuCT Flex line of Flexible Rogowski Style Current Transformers

PRODUCT

ACUCT FLEX CURRENT TRANSFORMERS

High specification line of flexible AC current transformers for power metering, power quality and general use when space is limited.

KEY FEATURES
  • High accuracy for demanding applications
  • Wide frequency range means excellent choice for harmonics and power quality
  • Wide current input range from 5A - 50,000A AC
AcuCT R Press-to-open simple install current transformers

PRODUCT

ACUCT R CURRENT TRANSFORMERS

Our highest accuracy premium split-core current transformer features a unique press-open hinge so its simpler and faster to install.

KEY FEATURES
  • 5A - 5000A AC current input range
  • Revenue grade accuracy meets IEC61000-1 class 0.5
  • UL listed for XOBA UL2808 standard, CSA C22.2 No. 61010-1
5A Split Core Current Transformer

PRODUCT

ACUCT 5A CURRENT TRANSFORMERS

Light-weight and compact 5A industrial standard split core CT with high accuracy for general use.

KEY FEATURES
  • 0.5% accuracy from 10%-120% of rated current
  • 100A to 6000A measurement range
  • Industrial standard 5A secondary output
333mV Split Core Current Transformer

PRODUCT

ACUCT MV CURRENT TRANSFORMERS

Compact & light-weight line of conventional 333mV output split core current transformers for general panel/device monitoring.

KEY FEATURES
  • Conventional split-core style CT
  • Safe mV secondary output
  • 0.5% accuracy from 10-120% of rated current
Compact 333mV CT for Branch Circuits

PRODUCT

ACUCT HINGED CURRENT TRANSFORMERS

Compact & light-weight split core current transformer is designed for installation on branch circuits within the electrical panel.

KEY FEATURES
  • Quick & simple install with hinged clip
  • Safe mV secondary output
  • 5A - 630A AC current input range
DC Current Sensor

PRODUCT

HAB-16555 DC CURRENT SENSORS

Split-core, non-intrusive design offers seamless integration to any existing installation for DC electrical systems.

KEY FEATURES
  • Measures DC current up to 5,000A
  • High accuracy 0.5%
  • Optimal output signal at either 4-20mA or 0-5V
Current Hall Effect Sensor

PRODUCT

HAK HALL EFFECT CURRENT SENSORS

The hall effect provides a natural protective field isolating the sensor from high electrical fluctuation from the conductor perfect for sensitive environments.

KEY FEATURES
  • Standard output signal at either 4-20mA or 0-5V
  • Split-core design is ideal for existing installations
  • Certified CE and RoHS compliant
DC Current Shunt

PRODUCT

DC CURRENT SHUNT

Compact and sturdy design used in DC electrical applications that require the highest accuracy with cost-effective solutions.

KEY FEATURES
  • High accuracy class 0.5%
  • 120% overload of nominal current (2 hours)
  • 75mV rate secondary voltage
AcuCT S77 Solid-Core CT

PRODUCT

ACUCT S77 SOLID-CORE CURRENT TRANSFORMERS

Featuring Measurement Canada approved high accuracy solid-core current transformer.

KEY FEATURES
  • 0.15% class accuracy
  • 50 MΩ insulation resistance
  • Measurement Canada Approved
AcuCT S113 Solid-Core CT

PRODUCT

ACUCT S113 SOLID-CORE CURRENT TRANSFORMERS

Designed specifically for product integrations that require exceptionally accurate signal transformation.

KEY FEATURES
  • 1% Class Accuracy
  • 50Hz-60Hz Rated Frequency
  • ≤60´ Phase Error

Current Transformer Comparison

 AcuCT FlexAcuCT R SeriesAcuCT 5A SeriesAcuCT mV SeriesAcuCT Hinged SeriesHAB-16555HAK HallDC Current ShuntAcuCT S77AcuCT S113
 AcuCT Flex Series of Rogowski Current Transformers
AcuCT R Split Core Current Transformer
General Purpose 5A Split Core CTGeneral Purpose 333mV CTCompact Branch Circuit CTGeneral Purpose 5A Split Core CTGeneral Purpose 333mV CTCompact Branch Circuit CTGeneral Purpose 5A Split Core CTGeneral Purpose 333mV CT
 High Accuracy Flexible CTHighest Accuracy Split Core CTGeneral Purpose 5A Split Core CTGeneral Purpose 333mV CTCompact Branch Circuit CTDC Current SensorsEffect Current SensorsDC Current SensorsSolid Core CTSolid Core CT
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LocationPanel / Device / Circuit / BusPanel / Device / Circuit / BusPanel / Device / Circuit / BusPanel / Device / Circuit / BusBranch CircuitsBusbar/ CableBusbar/ CableBusbar/ CableBranch CircuitsPanel/ Cable/ Busbar
Form FactorFlexible Rope-Like CTSquare/Rectangle Press OpenRectangle Removable FaceSquare/Rectangle Removable FaceMini CT Hinged OpeningRectangle, removable faceRound, removable faceInline installationRoundRound
ApplicationHigh Accuracy; Power Quality; Tenant Metering; Tight SpacesHigh Accuracy;
Power Quality;
Tenant Metering		General Use 5A/1AGeneral Use 333mVBranch Circuit MonitoringDC metering; Busbar; CableDC metering; CableDC metering; Busbar; CableRevenue Metering, branch circuit monitoringPanel and Switchgear Manufacturing
Input Rated Options1-50kA50A, 100A, 150A, 200A, 250A, 300A, 400A, 600A, 800A, 1000A, 1200A, 1500A, 1600A, 2000A, 2500A, 3000A, 4000A, 5000A100A, 200A, 300A, 400A, 600A, 800A, 1000A, 1200A, 1500A, 2000A, 3000A, 5000A200A, 250A, 300A, 400A, 600A, 800A, 1000A, 1200A, 1600A, 2000A, 2500A, 3000A, 4000A, 5000A5A, 20A, 30A, 40A, 50A, 60A, 100A, 120A, 150A, 200A, 250A, 400A, 600A1000A, 2000A, 3000A, 4000A, 5000A50A, 100A, 200A, 400A, 600A, 1000A50A, 100A, 200A, 500A, 1000A, 2000A100A, 200A200A
Output Rated OptionsmV333mV, 5A, 1A, 80mA, 100mA, 200mA5A, 1A333mV333mV4-20mA, 0-5V4-20mA, 0-5V75mV80mA, 100mA5A
Measurement Range50000A5000A5000A5000A600A5000A1000A2000A200A200A
Accuracy0.50%0.50%0.50%0.50%0.50%0.5%0.5%0.5%0.15%1%
Min. Window Size (in)4.170.75 x 0.750.83 x 1.220.75 x 0.750.46.50 x 2.170.83n/a0.781.18
Max. Window Size (in)14.55 x 73.1 x 6.33 x 51.386.50 x 2.171.58n/a0.781.18
UL Listed       
CE
UL Recognized      
RoHS
AcuCT Flex Series

High Accurancy Flexible CT

AcuCT Flex Series of Rogowski Current Transformers
RIK 5A

5A Rogowski Integrator Kit

AcuCT Flex Series of Rogowski Current Transformers
RIK mV

333mV Rogowski Integrator Kit

AcuCT Flex Series of Rogowski Current Transformers
RIK 4-20 mA

4-20mA or 0-20mA Rogowski Integrator Kit

AcuCT Flex Series of Rogowski Current Transformers
RIK 0-5V

0-5V / 0-10V Rogowski Integrator Kit

AcuCT Flex Series of Rogowski Current Transformers
LocationPanel / Device / Circuit / BusPanel / Device / Circuit / BusPanel / Device / Circuit / BusPanel / Device / Circuit / BusPanel / Device / Circuit / Bus
Form FactorFlexible Rope-Like CTFlexible Rope-Like CTFlexible Rope-Like CTFlexible Rope-Like CTFlexible Rope-Like CT
ApplicationHigh Accurancy Power Quality Tenant Metering Tight SpacesHigh Accurancy Power Quality Tenant Metering Tight SpacesHigh Accurancy Power Quality Tenant Metering Tight SpacesHigh Accurancy Power Quality Tenant Metering Tight SpacesHigh Accurancy Power Quality Tenant Metering Tight Spaces
Input Rated Option1-50kA500A, 1000A, 2500A, 5000A, 10000A, 25000A and 50000A500A, 1000A, 2500A, 5000A, 10000A, 25000A and 50000A500A, 1000A, 2500A, 5000A, 10000A, 25000A and 50000A500A, 1000A, 2500A, 5000A, 10000A, 25000A and 50000A
Output Rated OptionsmV0 – 6A RMS (0 – 5A RMS Nominal)0-333mVac4-20mAdc, 0-20mAdc0-5Vdc, 0-10Vdc
Measurement Range50,000A2.5A – 60000A2.5A – 60000A2.5A – 60000A2.5A – 60000A
Accuracy0.5%1%1%1%1%
Min. Window Size (in)4.174.174.174.174.17
Max. Window Size (in)14.514.514.514.514.5
UL Listed
CE
UL Recognized
RoHS
AcuCT R Series

Highest Accuracy Split Core CT

AcuCT R Split Core Current Transformer
AcuCT 5A Series

General Purpose 5A Split Core CT

General Purpose 5A Split Core CT
AcuCT mV Series

General Purpose 333mV CT

General Purpose 333mV CT
AcuCT Hinged Series

Compact Branch Circuit CT

Compact Branch Circuit CT
LocationPanel / Device / Circuit / BusPanel / Device / Circuit / BusPanel / Device / Circuit / BusBranch Circuits
Form FactorSquare/Rectangle Press OpenSquare/Rectangle Removable FaceRectangle Removable FaceMini CT Hinged Opening
ApplicationHigh Accurancy Power Quality Tenant MeteringGeneral Use 5A/1AGeneral Use 333mVBranch Circuit Monitoring
Input Rated Options50A, 100A, 150A, 200A, 250A, 300A, 400A, 600A, 800A, 1000A, 1200A, 1500A, 1600A, 2000A, 2500A, 3000A, 4000A, 5000A100A, 200A, 300A, 400A, 600A, 800A, 1000A, 1200A, 1500A, 2000A, 3000A, 5000A200A, 250A, 300A, 400A, 600A, 800A, 1000A, 1200A, 1600A, 2000A, 2500A, 3000A, 4000A, 5000A5A, 20A, 30A, 40A, 50A, 60A, 100A, 120A, 150A, 200A, 250A, 400A, 600A
Output Rated Options333mV, 5A, 1A, 80mA, 100mA, 200mA5A, 1A333mV333mV
Measurement Range5,000A5000A5000A600A
Accuracy0.5%0.5%0.5%0.5%
Min. Window Size (in)0.75 x 0.750.83 x 1.220.75 x 0.750.4
Max. Window Size (in)5 x 73 x 53.1 x 6.31.38
UL Listed
CE
UL Recognized
RoHS
 

HAB-16555
DC Current Sensors

General Purpose 5A Split Core CT

HAK
Hall Effect Current Sensors

General Purpose 333mV CT

DC Current Shunt

Compact Branch Circuit CT

LocationBusbar, CableBusbar, CableBusbar, Cable
Form FactorRectangle, removable faceRound, removable faceInline installation
ApplicationDC metering; Busbar; CableDC metering; CableDC metering; Busbar; Cable
Input Rated Options1000A, 2000A, 3000A, 4000A, 5000A50A, 100A, 200A, 400A, 600A, 1000A50A, 100A, 200A, 500A, 1000A, 2000A
Output Rated Options4-20mA, 0-5V4-20mA, 0-5V75mV
Measurement Range5000A1000A2000A
Accuracy0.5%0.5%0.5%
Min. Window Size (in)6.50 x 2.170.83n/a
Max. Window Size (in)6.50 x 2.171.58n/a
CE
RoHS
 
AcuCT S77

Solid Core CT

General Purpose 5A Split Core CT

AcuCT S113

Solid Core CT

General Purpose 333mV CT

LocationBranch CircuitsPanel/Cable/Busbar
Form FactorRoundRound
ApplicationRevenue Metering, branch circuit monitoringPanel and Switchgear Manufacturing
Input Rated Options100A, 200A200A
Output Rated Options80mA, 100mA5A
Measurement Range200A200A
Accuracy0.15%1%
Min. Window Size (in)0.781.18
Max. Window Size (in)0.781.18
UL Listed
CE
RoHS
AcuCT Flex Series

High Accurancy Flexible CT

AcuCT Flex Series of Rogowski Current Transformers
LocationPanel / Device / Circuit / Bus
Form FactorFlexible Rope-Like CT
ApplicationHigh Accurancy Power Quality Tenant Metering Tight Spaces
Input Rated Options1-50kA
Output Rated OptionsmV
Measurement Range50,000A
Accuracy0.5%
Min. Window Size (in)4.17
Max. Window Size (in)14.5
CE
UL Recognize
RoHS
RIK 5A

5A Rogowski Integrator Kit

AcuCT Flex Series of Rogowski Current Transformers
LocationPanel / Device / Circuit / Bus
Form FactorFlexible Rope-Like CT
ApplicationHigh Accurancy Power Quality Tenant Metering Tight Spaces
Input Rated Options500A, 1000A, 2500A, 5000A, 10000A, 25000A and 50000A
Output Rated Options0 – 6A RMS (0 – 5A RMS Nominal)
Measurement Range2.5A – 60000A
Accuracy1%
Min. Window Size (in)4.17
Max. Window Size (in)14.5
UL Listed
CE
RoHS
RIK mV

333mV Rogowski Integrator Kit

AcuCT Flex Series of Rogowski Current Transformers
LocationPanel / Device / Circuit / Bus
Form FactorFlexible Rope-Like CT
ApplicationHigh Accurancy Power Quality Tenant Metering Tight Spaces
Input Rated Options500A, 1000A, 2500A, 5000A, 10000A, 25000A and 50000A
Output Rated Options0-333mVac
Measurement Range2.5A – 60000A
Accuracy1%
Min. Window Size (in)4.17
Max. Window Size (in)14.5
UL Listed
CE
RoHS
RIK 4-20 mA

4-20mA or 0-20mA Rogowski Integrator Kit

AcuCT Flex Series of Rogowski Current Transformers
LocationPanel / Device / Circuit / Bus
Form FactorFlexible Rope-Like CT
ApplicationHigh Accurancy Power Quality Tenant Metering Tight Spaces
Input Rated Options500A, 1000A, 2500A, 5000A, 10000A, 25000A and 50000A
Output Rated Options4-20mAdc, 0-20mAdc
Measurement Range2.5A – 60000A
Accuracy1%
Min. Window Size (in)4.17
Max. Window Size (in)14.5
UL Listed
CE
RoHS
RIK 0-5V

0-5V / 0-10V Rogowski Integrator Kit

AcuCT Flex Series of Rogowski Current Transformers
LocationPanel / Device / Circuit / Bus
Form FactorFlexible Rope-Like CT
ApplicationHigh Accurancy Power Quality Tenant Metering Tight Spaces
Input Rated Options500A, 1000A, 2500A, 5000A, 10000A, 25000A and 50000A
Output Rated Options0-5Vdc, 0-10Vdc
Measurement Range2.5A – 60000A
Accuracy1%
Min. Window Size (in)4.17
Max. Window Size (in)14.5
UL Listed
CE
RoHS

AcuCT R Series

Highest Accuracy Split Core CT

AcuCT R Split Core Current Transformer
LocationPanel / Device / Circuit / Bus
Form FactorSquare/Rectangle Press Open
ApplicationHigh Accurancy Power Quality Tenant Metering
Input Rated Options50A, 100A, 150A, 200A, 250A, 300A, 400A, 600A, 800A, 1000A, 1200A, 1500A, 1600A, 2000A, 2500A, 3000A, 4000A, 5000A
Output Rated Options333mV, 5A, 1A, 80mA, 100mA, 200mA
Measurement Range5,000A
Accuracy0.5%
Min. Window Size (in)0.75 x 0.75
Max. Window Size (in)5 x 7
UL List
CE
RoHS

AcuCT 5A Series

General Purpose 5A Split Core CT

General Purpose 5A Split Core CT
LocationPanel / Device / Circuit / Bus
Form FactorRectangle Removable Face
ApplicationGeneral Use 5A/1A
Input Rated Options100A, 200A, 300A, 400A, 600A, 800A, 1000A, 1200A, 1500A, 2000A, 3000A, 5000A
Output Rated Options5A, 1A
Measurement Range5000A
Accuracy0.5%
Min. Window Size (in)0.83 x 1.22
Max. Window Size (in)3.1 x 6.3
CE
UL Recognize
RoHS

AcuCT mV Series

General Purpose 333mV CT

General Purpose 333mV CT
LocationPanel / Device / Circuit / Bus
Form FactorSquare/Rectangle Removable Face
ApplicationGeneral Use 333mV
Input Rated Options200A, 250A, 300A, 400A, 600A, 800A, 1000A, 1200A, 1600A, 2000A, 2500A, 3000A, 4000A, 5000A
Output Rated Options333mV
Measurement Range5000A
Accuracy0.5%
Min. Window Size (in)0.75 x 0.75
Max. Window Size (in)3 x 5
CE
UL Recognize
RoHS

AcuCT Hinged Series

Compact Branch Circuit CT

Compact Branch Circuit CT
LocationBranch Circuits
Form FactorMini CT Hinged Opening
ApplicationBranch Circuit Monitoring
Input Rated Options5A, 20A, 30A, 40A, 50A, 60A, 100A, 120A, 150A, 200A, 250A, 400A, 600A
Output Rated Options333mV
Measurement Range600A
Accuracy0.5%
Min. Window Size (in)0.4
Max. Window Size (in)1.38
CE
UL Recognize
RoHS

HAB-16555

DC Current Sensors

General Purpose 5A Split Core CT

LocationBusbar, Cable
Form FactorRectangle, removable face
ApplicationDC metering; Busbar; Cable
Input Rated Options1000A, 2000A, 3000A, 4000A, 5000A
Output Rated Options4-20mA, 0-5V
Measurement Range5000A
Accuracy0.5%
Min. Window Size (in)6.50 x 2.17
Max. Window Size (in)6.50 x 2.17
CE
RoHS

HAK

Hall Effect Current Sensors

General Purpose 333mV CT

LocationBusbar, Cable
Form FactorRound, removable face
ApplicationDC metering; Cable
Input Rated Options50A, 100A, 200A, 400A, 600A, 1000A
Output Rated Options4-20mA, 0-5V
Measurement Range1000A
Accuracy0.5%
Min. Window Size (in)0.83
Max. Window Size (in)1.58
CE
RoHS

DC Current Shunt

Compact Branch Circuit CT

LocationBusbar, Cable
Form FactorInline installation
ApplicationDC metering; Busbar; Cable
Input Rated Options50A, 100A, 200A, 500A, 1000A, 2000A
Output Rated Options75mV
Measurement Range2000A
Accuracy0.5%
Min. Window Size (in)n/a
Max. Window Size (in)n/a
CE
RoHS

AcuCT S77

Solid Core CT

General Purpose 5A Split Core CT

LocationBranch Circuits
Form FactorRound
ApplicationRevenue Metering, branch circuit monitoring
Input Rated Options100A, 200A
Output Rated Options80mA, 100mA
Measurement Range200A
Accuracy0.15%
Min. Window Size (in)0.78
Max. Window Size (in)0.78
UL Listed
CE
RoHS

AcuCT S113

Solid Core CT

General Purpose 333mV CT

LocationPanel/Cable/Busbar
Form FactorRound
ApplicationPanel and Switchgear Manufacturing
Input Rated Options200A
Output Rated Options5A
Measurement Range200A
Accuracy1%
Min. Window Size (in)1.18
Max. Window Size (in)1.18
UL Listed
CE
RoHS