Stationary and mobile Instrument Transformer Test Systems (ITTS) are used for testing current (CT) and voltage (VT) transformers. Possible test are e. g. accuracy test, demagnetisation and insulation test.
The primary testing includes constant current sources for testing circuit breakers, compact circuit breakers or motor circuit breakers (equipped with thermal and/or magnetic releases).

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Single Components for Instrument Transformer Test Systems (12)

Stationary and transportable Instrument Transformer Test Systems (9)

Primary testing (2)