The Rogowski coil is used for measuring currents and is primarily used for retrofitting in existing installations – with a choice of either on busbars or large cable cross sections. It delivers a voltage output proportionate to the current measured (e.g. 1 mV/A). It is also perfectly suited for installation in areas that are difficult to access or where space is limited.
Basic data for Rogowski current transformer
- Frequency bandwidth of the Rogowski coil 50/60 Hz, up to 700 kHz in idle mode (without load)
- Accuracy to class 0.5, according to IEC 61869
- Operating temperature: -40°C to +80°C
- Rated insulation voltage 1 kV CAT III
- Rogowski coil from 10 to 10000 A RMS – in combination with Janitza measurement transducer RogoTrans up to 4000 A RMS
- Accuracy better than 0.65% regardless of the position of the primary conductor
- Sealing possible
- CE certified (2014/30/EU), in accordance with the European Directive 2014/35/EU and tested in accordance with the IEC 61010-1 standard
- Unique, IP67, flexible and precise AC current transformer with separable core, based on Rogowski coil technology
- Subsequent clip-on without disconnecting the conductor
- Device for fixing to the primary conductor with a cable tie
- Internal shielding
- High linearity, no saturation, no upper current limit of the Rogowski coil
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