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Fuse Clearing Capability

 
  A UPS is required to clear a branch fuse within 1/4’th of a cycle(5msec) to isolate a faulty load without affecting the other connected loads
This ability decides the largest possible load that can be connected & virtually dictates the size of the UPS.

UPS’s are specifically de-rated for fuse clearing ability.
i4 UPS has an unbeatable fuse clearing ability of 30% of the rated current.
 

 

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