ABB PR512 Manual
Also see for PR512: Operator's manual
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306TIME-CURRENT CURVESTime-current curves for earth faultThe time-current curves for homopolar earth fault(Io>; Io>>) are identical to those for protectionagainst overload and against short-circuit (I>; I>>).For the operating fields, please see what isindicated on page 25 and following pages. |
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