13.07.2015 Views

MiCOM P921/P922/P923 - Schneider - error

MiCOM P921/P922/P923 - Schneider - error

MiCOM P921/P922/P923 - Schneider - error

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P92x/EN TD/H42Page 10/42Technical GuideTechnical Data<strong>MiCOM</strong> <strong>P921</strong>/<strong>P922</strong>/<strong>P923</strong>3. INSULATION WITHSTANDDielectric withstandIEC 60255-5: 2000 2 kVrms 1 minute to earth and betweenindependent circuits.IEEE C39.90:19891.5kV rms AC for 1 minute,(reaffirmed 1994) across normally opencontactsImpulse voltageIEC 60255-5: 2000 5 kV Between all terminals & allterminals and case earthInsulation resistance IEC 60255-5: 2000 > 100 MΩ at 500 Vdc

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