I have a client who has 3 UPS system with a total 10KVA capacity. They currently have a 30Amp feeder with a Subpanel in the communication room. They have asked me to install a 60Amp feeder for additional UPS units.
here are the question/s that i have. >I assume i need to have a disconnect within site of the UPS units? Right? >I will size the feeders to 125%? >Existing, the UPS feeds the Existing sub panel by a SOO cord, is that O.K.
Yes to the disconnect. 125% is OK Possibly OK, but more info is needed. Is the connection from the UPS via a cord cap? Is there frequent 'swapping' of the UPS? IF yes, then the cord could be acceptable.