Rogowski Coils
A trusted Rogowski coil manufacturer, Accuenergy has a large inventory of flexible AC sensors in stock and ready to ship worldwide. We supply a variety of standard coil lengths and current ranges plus a fully customizable selection of flexible CTs.
ROGOWSKI COIL
AcuCT Flex Series
Flexible current transformer designed to easily fit into tight spaces. Non-invasive in design & high accuracy 0.5% rated, it has a wide current sensor range between 5A-50,000A & frequency response range 10Hz-20kHz for harmonics detection. Compatible with any third-party meters or Accuenergy meters.
ROGOWSKI INTEGRATOR
RIK 1AR Series
Protective Relay Class Integrator pairs with Rogowski coils for any devices that require 1A nominal CT input. It allows for five field-configurable CT ratios between 2.5A-100,000A. Works in both 50Hz and 60Hz systems. AcuCT Flex Rogowski coils and the power supply are sold separately.
ROGOWSKI INTEGRATOR
RIK 5A Series
Integrator kit comes with Rogowski coils for any devices/meters that require 0-5A nominal CT input. It allows for seven field-configurable CT ratios between 2.5A-50,000A. Works in both 50Hz and 60Hz systems. Can be used in 1-phase or 3-phase systems. Includes AcuCT Flex Rogowski coils.
ROGOWSKI INTEGRATOR
RIK mV Series
Integrator pairs with Rogowski coils for any devices/meters that require 333mV CT input. It allows for seven field-configurable CT ratios between 2.5A-50,000A. Works in both 50Hz and 60Hz systems. Choice between 1-phase or 3-phase. Rogowski coils and power supply sold separately.
ROGOWSKI INTEGRATOR
RIK mA Series
Integrator pairs with Rogowski coils for any devices/meters that require 4-20mA or 0-20mA CT input. It allows for seven field-configurable CT ratios between 2.5A-50,000A. Works in both 50Hz and 60Hz systems. Choice between 1-phase or 3-phase. Rogowski coils and power supply sold separately.
ROGOWSKI INTEGRATOR
RIK V Series
Integrator pairs with Rogowski coils for any devices/meters that require 0-5V or 0-10V CT input. It allows for seven field-configurable CT ratios between 2.5A-50,000A. Works in both 50Hz and 60Hz systems. Choice between 1-phase or 3-phase. Rogowski coils and power supply sold separately.
| Comparison Table |  AcuCT Flex |  RIK 1AR1AR Rogowski |  RIK 5A5A Rogowski |  RIK mV333mV Rogowski |  RIK 4-20 mA4-20mA or 0-20mA Rogowski |  RIK 0-5V0-5V / 0-10V Rogowski |
|---|---|---|---|---|---|---|
| Location | Panel / Device / Circuit / Bus | 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* | Flexible Rope-Like CT* |
| Application | High Accurancy Power Quality Tenant Metering Tight Spaces | Protection Relay 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 | 50A, 200A, 500A, 2000A and 5000A | 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 - 1A | 0 – 6A RMS (0 – 5A RMS Nominal) | 0-333mVac | 4-20mAdc, 0-20mAdc | 0-5Vdc, 0-10Vdc |
| Measurement Range | 50,000A | 0.25A – 100000A | 2.5A – 60000A | 2.5A – 60000A | 2.5A – 60000A | 2.5A – 60000A |
| Accuracy | 0.5% | 1% at 1A, 5% at 20A | 1% | 1% | 1% | 1% |
| Min. Window Size (in) | 4.17 | 4.17 | 4.17 | 4.17 | 4.17 | 4.17 |
| Max. Window Size (in) | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 |
| UL Listed | ||||||
| CE | ||||||
| UL Recognized | ||||||
| RoHS |
* Rogowski coil sold separately.
| Comparison Table |  AcuCT R |  AcuCT 5A |  AcuCT mV |  AcuCT Hinged |
|---|---|---|---|---|
| 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 Option | 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 | 5000A | 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 |
| Comparison Table |  AcuCT S77Solid-Core CT |  AcuCT S113Solid-Core CT |  AcuCT S220Solid-Core CT |  AcuCT S335Solid-Core CT |  AcuCT S433Solid-Core CT |  AcuCT S650Solid-Core CT |
|---|---|---|---|---|---|---|
| Location | Branch Circuits | Panel / Cable / Busbar | Switchgear / Panel / Cable / Busbar | Switchgear / Panel / Cable / Busbar | Switchgear / Panel / Cable / Busbar | Switchgear / Panel / Cable / Busbar |
| Form Factor | Round | Round | Rectangle | Rectangle | Rectangle | Rectangle |
| Application | Revenue Metering, branch circuit monitoring | Panel and Switchgear Manufacturing | Panel and Switchgear Manufacturing | Panel and Switchgear Manufacturing | Panel and Switchgear Manufacturing | Panel and Switchgear Manufacturing |
| Input Rated Option | 100A, 200A | 200A, 300A, 400A | 300A, 500A, 600A, 800A, 1000A, 1200A, 1500A | 500A, 600A, 800A, 1000A, 1200A, 1500A, 2000A, 2500A, 3000A | 800A, 1000A, 1500, 2000A, 2500A, 3000A, 3500A, 4000A | 800A, 1000A, 1500A, 2000A, 2500A, 3000A, 3500A, 4000A |
| Output Rated Options | 80mA, 100mA | 5A, 1A, 333mV | 1A, 5A, 80mA, 100mA, 333mV | 1A, 5A, 80mA, 100mA, 333mV | 1A, 5A, 80mA, 100mA, 333mV | 1A, 5A, 80mA, 100mA, 333mV |
| Measurement Range | 200A | 200A | 0-1500A | 0-3000A | 0-4000A | 0-4000A |
| Accuracy | 0.15% | 1% | IEC 61869-2 0.5, 0.5S, 0.2 | IEC 61869-2 0.5, 0.5S, 0.2 | IEC 61869-2 0.5, 0.5S, 0.2 | IEC 61869-2 0.5, 0.5S, 0.2 |
| Min. Window Size (in) | 0.78 | 1.20 | Ø2.24 | Ø2.83 | Ø3.66 | 6.30 x 6.30 |
| Max. Window Size (in) | 0.78 | 1.20 | Ø2.24 | Ø2.83 | Ø3.66 | 6.30 x 6.30 |
| UL Listed | Pending | |||||
| CE | ||||||
| UL Recognized | ||||||
| RoHS |
| Comparison Table |  HAB-16555DC Current Sensors |  HAKHall Effect Current Sensors |  DC ShuntDC Current Shunts |  HV2DC Voltage Sensor |
|---|---|---|---|---|
| Location | Busbar, Cable | Busbar, Cable | Busbar, Screw Fixation | Busbar, Screw Fixation |
| Form Factor | Rectangle, removable face | Round, removable face | Inline installation | Surface Mount |
| Application | DC metering; Busbar; Cable | DC metering; Cable | DC metering; Busbar; Cable | DC metering; Busbar; Cable |
| Input Rated Option | 1000A, 2000A, 3000A, 4000A, 5000A | 50A, 100A, 200A, 400A, 600A, 1000A | 100A, 200A, 300A, 400A, 500A, 1000A, 2000A | 1000V, 1200V, 1500V |
| Output Rated Options | 4-20mA, 0-5V | 4-20mA, 0-5V | 75mV | 0-5Vdc |
| Measurement Range | 5000A | 1000A | 2000A | 1500V |
| Accuracy | 0.5% | 0.5% | 0.1 - 0.5% | 0.5% |
| Min. Window Size (in) | 6.50 x 2.17 | 0.83 | n/a | n/a |
| Max. Window Size (in) | 6.50 x 2.17 | 0.83 | 1.58 | n/a |
| CE | ||||
| RoHS |