Measuring current transformers
Open the catalog to page 1Measuring current transformers WR70x!75S(P) Measuring current transformers The highly sensitive WR...S series measuring current transformers of rectangular type convert AC currents into evaluable measurement signals, in combination with RCM and RCMS series residual current monitors and evaluators. In addition, the measuring current transformers can be used in combination with insulation fault location systems (EDS) for IT systems. They are designed to measure the locating current generated by a PGH locating current injector or an ISOMETER® IRDH. In combination with EDS series insulation fault...
Open the catalog to page 2Measuring current transformers WR70x175S(P)...WR200x500S(P)
Open the catalog to page 3Technical data Installation instructions • D o not pass shielded cables through the measuring current transformer. Highest system voltage for electrical equipment Um Rated impulse withstand voltage Uisol Measuring circuit Rated transformation ratio Rated burden Rated primary current Rated primary current Nominal power Rated frequency Internal resistance Secondary overvoltage protection Accuracy class Rated continuous thermal current Rated short-time thermal current Rated surge current • As a general principle, the PE conductor and low-resistance conductor loops must not be passed through the...
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