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ABB DSSR122M Warranty One Year
• in the event of current values exceeding its setting threshold, each protective
device sends a blocking signal via a direct connection or bus to the protective
device higher in the hierarchy (i.e. upstream with respect to the direction of
the power flow) and, before it trips, it makes sure that a similar blocking signal
has not arrived from the protective device downstream; in this way, only the
protective device immediately upstream of the fault trips.
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Xiamen ZheXun Electric Automation Co., Ltd can find and sell discontinued products.
We supply world-renowned brands:Bently Nevada,ABB,GE Fanuc,Rockwell Allen Bradley,Simens,TRICONEX,FOXBORO,SCHNEIDER,HONEYWELL,Emerson,EPRO etc.
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