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.

Current Transformer Comparison

AcuCT Flex AcuCT R Series AcuCT 5A Series AcuCT mV Series AcuCT Hinged Series HAB-16555 HAK Hall DC Current Shunt AcuCT S77 AcuCT S113
AcuCT Flex Series of Rogowski Current Transformers
AcuCT R Split Core Current Transformer
General Purpose 5A Split Core CT General Purpose 333mV CT Compact Branch Circuit CT General Purpose 5A Split Core CT General Purpose 333mV CT Compact Branch Circuit CT General Purpose 5A Split Core CT General Purpose 333mV CT
High Accuracy Flexible CT Highest Accuracy Split Core CT General Purpose 5A Split Core CT General Purpose 333mV CT Compact Branch Circuit CT DC Current Sensors Effect Current Sensors DC Current Sensors Solid Core CT Solid Core CT
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Location Panel / Device / Circuit / Bus Panel / Device / Circuit / Bus Panel / Device / Circuit / Bus Panel / Device / Circuit / Bus Branch Circuits Busbar/ Cable Busbar/ Cable Busbar/ Cable Branch Circuits Panel/ Cable/ Busbar
Form Factor Flexible Rope-Like CT Square/Rectangle Press Open Rectangle Removable Face Square/Rectangle Removable Face Mini CT Hinged Opening Rectangle, removable face Round, removable face Inline installation Round Round
Application High Accuracy; Power Quality; Tenant Metering; Tight Spaces High Accuracy; Power Quality; Tenant Metering General Use 5A/1A General Use 333mV Branch Circuit Monitoring DC metering; Busbar; Cable DC metering; Cable DC metering; Busbar; Cable Revenue Metering, branch circuit monitoring Panel and Switchgear Manufacturing
Input Rated Options 1-50kA 50A, 100A, 150A, 200A, 250A, 300A, 400A, 600A, 800A, 1000A, 1200A, 1500A, 1600A, 2000A, 2500A, 3000A, 4000A, 5000A 100A, 200A, 300A, 400A, 600A, 800A, 1000A, 1200A, 1500A, 2000A, 3000A, 5000A 200A, 250A, 300A, 400A, 600A, 800A, 1000A, 1200A, 1600A, 2000A, 2500A, 3000A, 4000A, 5000A 5A, 20A, 30A, 40A, 50A, 60A, 100A, 120A, 150A, 200A, 250A, 400A, 600A 1000A, 2000A, 3000A, 4000A, 5000A 50A, 100A, 200A, 400A, 600A, 1000A 50A, 100A, 200A, 500A, 1000A, 2000A 100A, 200A 200A
Output Rated Options mV 333mV, 5A, 1A, 80mA, 100mA, 200mA 5A, 1A 333mV 333mV 4-20mA, 0-5V 4-20mA, 0-5V 75mV 80mA, 100mA 5A
Measurement Range 50000A 5000A 5000A 5000A 600A 5000A 1000A 2000A 200A 200A
Accuracy 0.50% 0.50% 0.50% 0.50% 0.50% 1% 0.5% 0.5% 0.15% 1%
Min. Window Size (in) 4.17 0.75 x 0.75 0.83 x 1.22 0.75 x 0.75 0.4 6.50 x 2.17 0.83 n/a 0.78 1.18
Max. Window Size (in) 14.5 5 x 7 3.1 x 6.3 3 x 5 1.38 6.50 x 2.17 1.58 n/a 0.78 1.18
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
Location Panel / Device / Circuit / Bus Panel / Device / Circuit / Bus Panel / Device / Circuit / Bus Panel / Device / Circuit / Bus Panel / Device / Circuit / Bus
Form Factor Flexible Rope-Like CT Flexible Rope-Like CT Flexible Rope-Like CT Flexible Rope-Like CT Flexible Rope-Like CT
Application High Accurancy Power Quality Tenant Metering Tight Spaces High Accurancy Power Quality Tenant Metering Tight Spaces High Accurancy Power Quality Tenant Metering Tight Spaces High Accurancy Power Quality Tenant Metering Tight Spaces High Accurancy Power Quality Tenant Metering Tight Spaces
Input Rated Option 1-50kA 500A, 1000A, 2500A, 5000A, 10000A, 25000A and 50000A 500A, 1000A, 2500A, 5000A, 10000A, 25000A and 50000A 500A, 1000A, 2500A, 5000A, 10000A, 25000A and 50000A 500A, 1000A, 2500A, 5000A, 10000A, 25000A and 50000A
Output Rated Options mV 0 – 6A RMS (0 – 5A RMS Nominal) 0-333mVac 4-20mAdc, 0-20mAdc 0-5Vdc, 0-10Vdc
Measurement Range 50,000A 2.5A – 60000A 2.5A – 60000A 2.5A – 60000A 2.5A – 60000A
Accuracy 0.5% 1% 1% 1% 1%
Min. Window Size (in) 4.17 4.17 4.17 4.17 4.17
Max. Window Size (in) 14.5 14.5 14.5 14.5 14.5
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
Location Panel / Device / Circuit / Bus Panel / Device / Circuit / Bus Panel / Device / Circuit / Bus Branch Circuits
Form Factor Square/Rectangle Press Open Square/Rectangle Removable Face Rectangle Removable Face Mini CT Hinged Opening
Application High Accurancy Power Quality Tenant Metering General Use 5A/1A General Use 333mV Branch Circuit Monitoring
Input Rated Options 50A, 100A, 150A, 200A, 250A, 300A, 400A, 600A, 800A, 1000A, 1200A, 1500A, 1600A, 2000A, 2500A, 3000A, 4000A, 5000A 100A, 200A, 300A, 400A, 600A, 800A, 1000A, 1200A, 1500A, 2000A, 3000A, 5000A 200A, 250A, 300A, 400A, 600A, 800A, 1000A, 1200A, 1600A, 2000A, 2500A, 3000A, 4000A, 5000A 5A, 20A, 30A, 40A, 50A, 60A, 100A, 120A, 150A, 200A, 250A, 400A, 600A
Output Rated Options 333mV, 5A, 1A, 80mA, 100mA, 200mA 5A, 1A 333mV 333mV
Measurement Range 5,000A 5000A 5000A 600A
Accuracy 0.5% 0.5% 0.5% 0.5%
Min. Window Size (in) 0.75 x 0.75 0.83 x 1.22 0.75 x 0.75 0.4
Max. Window Size (in) 5 x 7 3 x 5 3.1 x 6.3 1.38
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
Location Busbar, Cable Busbar, Cable Busbar, Cable
Form Factor Rectangle, removable face Round, removable face Inline installation
Application DC metering; Busbar; Cable DC metering; Cable DC metering; Busbar; Cable
Input Rated Options 1000A, 2000A, 3000A, 4000A, 5000A 50A, 100A, 200A, 400A, 600A, 1000A 50A, 100A, 200A, 500A, 1000A, 2000A
Output Rated Options 4-20mA, 0-5V 4-20mA, 0-5V 75mV
Measurement Range 5000A 1000A 2000A
Accuracy 1% 0.5% 0.5%
Min. Window Size (in) 6.50 x 2.17 0.83 n/a
Max. Window Size (in) 6.50 x 2.17 1.58 n/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
Location Panel / Device / Circuit / Bus
Form Factor Flexible Rope-Like CT
Application High Accurancy Power Quality Tenant Metering Tight Spaces
Input Rated Options 1-50kA
Output Rated Options mV
Measurement Range 50,000A
Accuracy 0.5%
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
Location Panel / Device / Circuit / Bus
Form Factor Flexible Rope-Like CT
Application High Accurancy Power Quality Tenant Metering Tight Spaces
Input Rated Options 500A, 1000A, 2500A, 5000A, 10000A, 25000A and 50000A
Output Rated Options 0 – 6A RMS (0 – 5A RMS Nominal)
Measurement Range 2.5A – 60000A
Accuracy 1%
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
Location Panel / Device / Circuit / Bus
Form Factor Flexible Rope-Like CT
Application High Accurancy Power Quality Tenant Metering Tight Spaces
Input Rated Options 500A, 1000A, 2500A, 5000A, 10000A, 25000A and 50000A
Output Rated Options 0-333mVac
Measurement Range 2.5A – 60000A
Accuracy 1%
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
Location Panel / Device / Circuit / Bus
Form Factor Flexible Rope-Like CT
Application High Accurancy Power Quality Tenant Metering Tight Spaces
Input Rated Options 500A, 1000A, 2500A, 5000A, 10000A, 25000A and 50000A
Output Rated Options 4-20mAdc, 0-20mAdc
Measurement Range 2.5A – 60000A
Accuracy 1%
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
Location Panel / Device / Circuit / Bus
Form Factor Flexible Rope-Like CT
Application High Accurancy Power Quality Tenant Metering Tight Spaces
Input Rated Options 500A, 1000A, 2500A, 5000A, 10000A, 25000A and 50000A
Output Rated Options 0-5Vdc, 0-10Vdc
Measurement Range 2.5A – 60000A
Accuracy 1%
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
Location Panel / Device / Circuit / Bus
Form Factor Square/Rectangle Press Open
Application High Accurancy Power Quality Tenant Metering
Input Rated Options 50A, 100A, 150A, 200A, 250A, 300A, 400A, 600A, 800A, 1000A, 1200A, 1500A, 1600A, 2000A, 2500A, 3000A, 4000A, 5000A
Output Rated Options 333mV, 5A, 1A, 80mA, 100mA, 200mA
Measurement Range 5,000A
Accuracy 0.5%
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
Location Panel / Device / Circuit / Bus
Form Factor Rectangle Removable Face
Application General Use 5A/1A
Input Rated Options 100A, 200A, 300A, 400A, 600A, 800A, 1000A, 1200A, 1500A, 2000A, 3000A, 5000A
Output Rated Options 5A, 1A
Measurement Range 5000A
Accuracy 0.5%
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
Location Panel / Device / Circuit / Bus
Form Factor Square/Rectangle Removable Face
Application General Use 333mV
Input Rated Options 200A, 250A, 300A, 400A, 600A, 800A, 1000A, 1200A, 1600A, 2000A, 2500A, 3000A, 4000A, 5000A
Output Rated Options 333mV
Measurement Range 5000A
Accuracy 0.5%
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
Location Branch Circuits
Form Factor Mini CT Hinged Opening
Application Branch Circuit Monitoring
Input Rated Options 5A, 20A, 30A, 40A, 50A, 60A, 100A, 120A, 150A, 200A, 250A, 400A, 600A
Output Rated Options 333mV
Measurement Range 600A
Accuracy 0.5%
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
Location Busbar, Cable
Form Factor Rectangle, removable face
Application DC metering; Busbar; Cable
Input Rated Options 1000A, 2000A, 3000A, 4000A, 5000A
Output Rated Options 4-20mA, 0-5V
Measurement Range 5000A
Accuracy 1%
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
Location Busbar, Cable
Form Factor Round, removable face
Application DC metering; Cable
Input Rated Options 50A, 100A, 200A, 400A, 600A, 1000A
Output Rated Options 4-20mA, 0-5V
Measurement Range 1000A
Accuracy 0.5%
Min. Window Size (in) 0.83
Max. Window Size (in) 1.58
CE
RoHS

DC Current Shunt

Compact Branch Circuit CT
Location Busbar, Cable
Form Factor Inline installation
Application DC metering; Busbar; Cable
Input Rated Options 50A, 100A, 200A, 500A, 1000A, 2000A
Output Rated Options 75mV
Measurement Range 2000A
Accuracy 0.5%
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