Main features of the MINI 01 model:
- Rated current: 150 A AC
- Output signal: alternating current
- Transformation ratio: 1,000/1
- Output via lead and isolated Ø 4 mm male plugs
- Output protected against voltage surges
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Main features of the MINI 02 model:
- Rated current: 100 A AC
- Output signal: alternating current
- Transformation ratio: 1,000/1
- Output via lead and isolated Ø 4 mm male plugs
- Output protected against voltage surges
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Main features of the MINI 03 model:
- Rated current: 100 A AC
- Output signal: AC voltage
- Output / input ratio: 1mV / A AC
- Output via lead and isolated Ø 4 mm male plugs
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Main features of the MINI 05 model:
- Rated current: 100 A AC
- Output signal: AC voltage
- Output / input ratio: 1 mV / mA AC, 1 mV / AAC
- Output via lead and isolated Ø 4 mm male plugs
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Main features of the MINI 09 model:
- Rated current: 150 A AC
- Output signal: DC voltage
- Output / input ratio: 100 mV DC / A AC
- Output via lead and isolated Ø 4 mm male plugs
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- Rated current: 200 A AC
- Ø 16 mm max.
- Output signal: alternating current
- Transformation ratio: 1,000/1 (1 mA/A AC)
- Output via lead and isolated Ø 4 mm male plugs
- Output protected against voltage surges
Equipped with a high-performance magnetic material and a double winding, the MINI102 clamp offers excellent performance in terms of phase offset and linearity, meeting all the requirements of watt metering applications.
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- Rated current: 200 A AC
- Ø 16 mm max.
- Signal de sortie : tension alternative
- Transformation ratio : 1 mV/A AC
- Output via lead and isolated Ø 4 mm male plugs
Equipped with a high-performance magnetic material and a double winding, the MINI102 clamp offers excellent performance in terms of phase offset and linearity, meeting all the requirements of watt metering applications.
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Main features of the C100 model:
- Output signal: alternating current
- Transformation ratio: 1,000/1
- Output via isolated Ø 4 mm female sockets
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Main features of the C102 model:
- Output signal: alternating current
- Transformation ratio: 1,000/1
- Output via isolated Ø 4 mm female sockets
- Output protected against voltage surges
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Main features of the C103 model:
- Output signal: alternating current
- Transformation ratio: 1,000/1
- Output via lead and isolated Ø 4 mm male plugs
- Output protected against voltage surges
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Main features of the C106 model:
- Output signal: AC voltage
- Output/input ratio: 1 mV / A AC
- Output via isolated Ø 4 mm female sockets
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Main features of the C107 model:
- Output signal: AC voltage
- Output/input ratio: 1 mV / A AC
- Output via lead and isolated Ø 4 mm male plugs
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Main features of the C112 model:
- Output signal: AC voltage
- Output/input ratio: 1 mV / A AC
- Output via isolated Ø 4 mm female sockets
- Output protected against voltage surges
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Main features of the C113 model:
- Output signal: alternating current
- Transformation ratio: 1,000/1
- Output via lead and isolated Ø 4 mm male plugs
- Output protected against voltage surges
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Main features of the C116 model:
- Output signal: alternating voltage
- Output / input ratio: 1 mV / A AC
- Output via isolated Ø 4 mm female sockets
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Main features of the C122 model:
- Output signal: alternating current
- Transformation ratio: 1,000/5
- Output via isolated Ø 4 mm female sockets
- Output protected against voltage surges
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Main features of the C148 model:
- Output signal: alternating current
- Transformation ratio: 250/5, 500/5 and 1,000/5
- Output via isolated Ø 4 mm female sockets
- Output protected against voltage surges
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Main features of the C160 model:
- Output signal: AC voltage
- Output / input ratio: 100 mV / A AC, 10 mV / A AC, 1 mV / A AC,
- Output via coaxial cable and isolated male BNC plug
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Main features of the C173 model:
- Output signal: AC voltage
- Output / input ratio: 1 V / A AC, 100 mV / AAC, 10 mV / A AC, 1 mV / A AC,
- Output via lead and isolated Ø 4 mm male plugs
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Main features of the D30CN model:
- Rated current: 2,400 A AC
- Output signal: alternating current
- Transformation ratio: 3,000/1
- Output via lead and isolated Ø 4 mm male plugs
- Output protected against voltage surges
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Main features of the D30N model:
- Rated current: 2,400 A AC
- Output signal: alternating current
- Transformation ratio: 3,000/1
- Output via isolated Ø 4 mm female sockets
- Output protected against voltage surges
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Main features of the D31N model:
- Rated current: 1,500 A AC
- Output signal: alternating current
- Transformation ratio: 500/1, 1,000/1,1,500/1
- Output via isolated Ø 4 mm female sockets
- Output protected against voltage surges
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Main features of the D32N model:
- Rated current: 2,400 A AC
- Output signal: alternating current
- Transformation ratio: 1,000/1, 2,000/1, 3,000/1
- Output via isolated Ø 4 mm female sockets
- Output protected against voltage surges
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Main features of the D33N model:
- Rated current: 2,400 A AC
- Output signal: alternating current
- Transformation ratio: 3,000/5
- Output via isolated Ø 4 mm female sockets
- Output protected against voltage surges
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Main features of the D34N model:
- Rated current: 2,400 A AC
- Output signal: alternating current
- Transformation ratio: 500/5, 1,000/5,1,500/5
- Output via isolated Ø 4 mm female sockets
- Output protected against voltage surges
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Main features of the D35N model:
- Rated current: 2,400 A AC
- Output signal: alternating current
- Transformation ratio: 1,000/5, 2,000/5,3,000/5
- Output via isolated Ø 4 mm female sockets
- Output protected against voltage surges
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Main features of the D36N model:
- Rated current: 2,400 A AC
- Output signal: alternating current
- Transformation ratio: 3,000/3
- Output via isolated Ø 4 mm female sockets
- Output protected against voltage surges
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Main features of the D37N model:
- Rated current: 2,000 A AC
- Output signal: AC voltage
- Output / input ratio: 100 mV / A AC, 10 mV /A AC, 1 mV / A AC
- Output via isolated Ø 4 mm female sockets
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Main features of the D38N model:
- Output signal: AC voltage
- Output / input ratio: 10 mV / A AC, 1 mV / AAC, 0.1 mV / A AC
- Output via coaxial cable and isolated male BNC plug
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- Current from 10 mA to 100 A AC+DC (140 Apeak)
- Output signal: 10 mV/A
- Bandwidth: 1 MHz
- Switchable filters: 30 kHz, 3 kHz
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Main features of the MN08 model:
- Rated current: 200 A AC
- Output signal: alternating current
- Transformation ratio: 1,000/1
- Output via isolated Ø 4 mm female sockets
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Main features of the MN09 model:
- Rated current: 200 A AC
- Output signal: Alternating current
- Transformation ratio: 1,000/1
- Output via lead and isolated Ø 4 mm male plugs
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Main features of the MN10 model:
- Rated current: 200 A AC
- Output signal: alternating current
- Transformation ratio: 1,000/1
- Output via isolated Ø 4 mm female sockets
- Output protected against voltage surges
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Main features of the MN11 model:
- Rated current: 200 A AC
- Output signal: alternating current
- Transformation ratio: 1,000/1
- Output via lead and isolated Ø 4 mm male plugs
- Outputprotected against voltage surges
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Main features of the MN12 clamp:
- Rated current: 200 A AC
- Output signal: AC voltage
- Output / input ratio: 10 mV / A AC
- Output via isolated Ø 4 mm female sockets
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Main features of the MN13 model:
- Rated current: 200 A AC
- Output signal: AC voltage
- Rapport sortie/entrée : 10 mV / A AC
- Output via lead and isolated Ø 4 mm male plugs
- Outputprotected against voltage surges
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Main features of the MN15 model:
- Rated current: 200 A AC
- Output signal: AC voltage
- Output / input ratio: 1 mV / A AC
- Output via lead and isolated Ø 4 mm male plugs
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Main features of the MN21 model:
- Rated current: 200 A AC
- Output signal: alternating current
- Transformation ratio: 1,000/1
- Output via lead and isolated Ø 4 mm male plugs
- Outputprotected against voltage surges
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Main features of the MN23 model:
- Rated current: 200 A AC
- Output signal: AC voltage
- Output / input ratio: 10 mV / A AC
- Output via lead and isolated Ø 4 mm male plugs
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Main features of the MN38 model:
- Rated current: 200 A AC
- Output signal: AC voltage
- Output / input ratio: 100 mV / A AC, 10 mV /A AC
- Output via isolated Ø 4 mm female sockets
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Main features of the MN39 model:
- Rated current: 200 A AC
- Output signal: AC voltage
- Output / input ratio: 100 mV / A AC, 10 mV /A AC
- Output via lead and isolated Ø 4 mm male plugs
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Main features of the MN60 model:
- Output signal: AC voltage
- Output / input ratio: 100 mV / A AC, 10 mV /A AC
- Output via coaxial cable and isolated BNC male plug
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Main features of the MN71 model:
- Rated current: 10 A AC
- Output signal: AC voltage
- Output / input ratio: 100 mV / A AC
- Output via lead and isolated Ø 4 mm male plugs
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Main features of the MN88 model:
- Rated current: 200 A AC
- Output signal: DC voltage
- Output / input ratio: 100 mV DC/ A AC
- Output via isolated Ø 4 mm female sockets
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Main features of the MN89 model:
- Rated voltage: 200 A AC
- Output signal: DC voltage
- Output / input ratio: 100 mV DC/ A AC
- Output via lead and isolated Ø 4 mm male plugs
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Main features of the PAC10 model:
- Rated current: 400 A AC/600 A DC
- Output signal: DC and AC voltage
- Output / input ratio: 1 mV / A
- Output via lead and isolated Ø 4 mm male plugs
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Main features of the PAC16 clamp:
- Rated current: 40 AAC/60ADC - 400 AAC/600 ADC
- Output signal: DC and AC voltage
- Output / input ratio: 10 mV / A, 1 mV / A
- Output via lead and isolated Ø 4 mm male plugs
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Main features of the PAC17 clamp:
- Rated current: 40 AAC/60 ADC - 400 AAC/600 ADC
- Output signal: DC and AC voltage
- Output / input ratio: 10 mV / A, 1 mV / A
- Output via coaxial cable and isolated BNC male plug
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Main features of the PAC25 model:
- Rated current: 1,000 A AC/1,400 A DC
- Output signal: DC and AC voltage
- Output / input ratio: 1 mV / A
- Output via lead and isolated Ø 4 mm male plugs
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Main features of the PAC26 model:
- Rated current: 100 AAC/150 ADC - 1,000 AAC/1,400 ADC
- Output signal: DC and AC voltage
- Output / input ratio: 10 mV / A, 1 mV / A
- Output via lead and isolated Ø 4 mm male plugs
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Main features of the PAC27 model:
- Rated current: 100 AAC/150 ADC - 1,000 A AC/1,400 A DC
- Output signal: DC and AC voltage
- Output / input ratio: 10 mV / A, 1 mV / A
- Output via coaxial cable and isolated BNC male plug
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Main features of the Y1N model:
- Rated current: 600 A AC
- Output signal: alternating current
- Transformation ratio: 1,000/1
- Output via lead and isolated Ø 4 mm male plugs
- Outputprotected against voltage surges
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Main features of the Y2N model:
- Rated current: 600 A AC
- Output signal: alternating current
- Transformation ratio: 1,000/1
- Output via lead and isolated Ø 4 mm male plugs
- Outputprotected against voltage surges
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Main features of the Y3N model:
- Rated current: 600 A AC
- Output signal: alternating current
- Transformation ratio: 100/1
- Output via lead and isolated Ø 4 mm male plugs
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Main features of the Y4N model:
- Rated current: 600 A AC
- Output signal: DC voltage
- Output / input ratio: 100 mV DC / A AC
- Output via lead and isolated Ø 4 mm male plugs
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Main features of the Y7N model:
- Output signal: AC voltage
- Output / input ratio: 1 mV / A AC
- Output via coaxial cable and isolated BNC male plug
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- Leakage current differential measurements (from 500 μA) when searching for faults
- Measuring AC currents up to 400 A
- Jaws: gap: 112mm . Capacity with jaws open: 250 mm. Clamping capacity: cable with a maximum diameter of 115 mm
- Current direction: arrow , visible on the side of the clamp, indicating the current’s direction. The current is deemed to be circulating in the positive direction when it flows from the current’s generator to the current’s consumer.
- Sizes: 2. - Measurement current: 4 A: output 1 mV/mA. - Measurement current: 400 A: output 1 mV/A.
- Output: voltage output, via a 1.5m-long cable moulded into the clamp and terminating in two 90° elbow male safety plugs
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Current Clamps / Flexible Current Transformers
Current clamps and flexible current transformers are measurement instruments for capturing electric currents, often without interrupting the conductor. Flexible CTs (e.g., Rogowski coils) are particularly suited for large conductor cross-sections or confined installation spaces. Typical applications include AC or DC current measurement, load profiling, inrush current measurement or power quality monitoring.
FAQ
What types of current clamps and flexible transformers exist?
There are standard rigid clamps with integrated sensors and flexible current transformers such as Rogowski coils or flat cable CTs. Each type has advantages depending on the application.
What is a Rogowski coil?
A Rogowski coil is a flexible, air-cored current transformer designed for high current, large conductor diameters and rapid current changes. It typically requires an integrator to convert the signal.
What measurement ranges are common?
Ranges vary widely from a few amperes to multiple kiloamperes. Flexible current transformers excel when large currents or large conductors are involved.
What bandwidth matters?
When measuring fast current changes, switching events or harmonics, the bandwidth of the transformer is crucial. Flexible CTs often provide higher bandwidth than traditional clamps.
What accuracy can be expected?
Accuracy depends on the transformer, integrator, calibration and installation. Typical accuracies lie in the range of ±1% to ±3% for well-applied systems.
What error sources are common?
Errors may arise from incomplete closure of the loop, conductor outside the sensor, vibration, temperature changes or electromagnetic interference.
What types of current can be measured?
Depending on the device: AC, DC or both. Rogowski coils are usually AC-oriented and may require additional hardware for DC measurement.
How is data transfer and analysis handled?
Many instruments feature built-in data logging, USB, Ethernet or wireless interfaces. Captured data can be exported and analyzed via PC software.
What are typical application areas?
Applications include power supply systems, industrial plants with high currents, power quality measurement, commissioning, maintenance and load profile recording.
What selection criteria should be considered?
Key criteria include maximum current rating, conductor diameter, bandwidth, accuracy, connection type, calibration capability, environmental conditions and duration of use.
How should installation be done correctly?
The transformer or coil must fully encircle the conductor, with the conductor entirely inside the loop. The conductor should be placed centrally to avoid measurement errors.
What safety and protection aspects apply?
When operating on live systems, safety categories (e.g., CAT ratings), insulation requirements and correct protective measures must be observed according to the operational environment.
How are maintenance and calibration handled?
Routine inspection, functional testing and calibration according to manufacturer specifications are recommended, especially for accurate measurements.
How do flexible CTs differ from classic clamps?
Flexible CTs offer easier installation with large or irregular conductors, higher bandwidth and often lighter build. However, they typically require an integrator module and may incur higher cost.
Can flexible current transformers be used in mobile measurements?
Yes — especially where quick installation in tight spaces is needed. But transport, storage conditions and device protection class must be considered.