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Short-Circuit Indicators

SIGMA 2.0

The Sigma 2.0 is a phase-selective short-circuit indicator. It is designed to detect, display and remotely indicate short-circuits in medium voltage distribution networks. The current is measured via three single-phase current sensors. By using the new sensors retrofit to more advanced indicator series is possible at any time – without changing the sensors.

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SIGMA plus

This device is ready for retrofit: Change or replace old indicators with the Sigma plus WITHOUT REPLACING CURRENT TRANSFORMERS ALREADY EXISTING IN THE SWITCHGEAR!

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ALPHA E

The ALPHA E device is a short-circuit indicator. It is designed to detect, dis- play and remotely indicate short-circuit faults in medium voltage distribution networks.

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ALPHA M

The ALPHA M device is a short-circuit indicator. It is designed to detect, display and remotely indicate short-circuit faults in medium voltage distribution networks.

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OPTO F 3.0

The Opto F 3.0 device is a short-circuit indicator. It is designed, to detect, display and remotely indicate short-circuit currents in medium voltage distribution networks.

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Rotor Indicator

The Rotor Indicator is a mechanical short-circuit indicator. It is designed to detect short-circuit currents in medium voltage distribution networks.

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Fluid Indicator

The Fluid Indicator is a mechanical short-circuit indicator which is designed to detect short-circuit currents in medium voltage distribution networks.

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