Z ei t in s Strom in A 10 000 1 000 100 10 1 0 1 0 01 0 001 1 0 10 0 100 0 1 000 0 Z ei t in s Strom in A 10 000 1 000 100 10 1 0 1 0 01 0 001 1 0 10 0 100 0 1 000 0 The EBU10 T can be adjusted to the capability of the respective UPS unit and the actual load conditions via two selection switches providing a reliable trip perfor mance in the event of a failure Only the faulty load path will be disconnected while all other supply paths will remain unaffected The EBU unit tolerates high cut in currents that occur during switch on operations INCREASED SYSTEM AVAILABILITY THROUGH EFFECTIVE PROTECTION In the event of a short circuit UPS systems only provide a lim ited current red characteristic curve which is not sufficient to trip a thermal magnetic overcur rent protection blue character istic curve When adjusted correctly the trip curve of the EBU10 T coincides with the operating range of the UPS This ensures reliable power safety for the UPS MCB trip rangeUPS operating range Output characteristic UPS battery powered 14 A Output curve UPS battery powered 14 A Load characteristic curve Example 3 A power supply Load characteristic curve Example 3 A power supply Characteristic curve MCB C 10 A Characteristic curve EBU10 T INCREASED SYSTEM AVAILABILITY through selective protection The trip curve of the MCB does not coincide with the operating range of the UPS No disconnection in the event of a failure When adjusted correctly the trip curve of the EBU10 T coincides with the operating range of the UPS This ensures reliable power safety for the UPS 4

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