POWER WIRING INSTALLATION NOTES071608C16 of 23DESCRIPTION:DATE:DRAWING NO: SHEET:REVISION:164201603-5INSTALLATION INFORMATIONEATON Powerware® 9390 UPS (20–80 kVA) Installation and Operation Manual 164201603 Rev 2 www.powerware.comA-2618. Bypass and output overcurrent protection and bypass and output disconnect switches areto be provided by the user. Table P lists the maximum rating for bypass and output circuitbreakers satisfying the criteria for both.Table P. Maximum Bypass and Output Circuit Breaker RatingsUPS Model Output Voltage Rating% Rating 208V/220V 380V 400V 415V 480VPowerware 9390-40/20 80% 90A 50A 50A 45A 45A100% 70A 40A 40A 35A 35APowerware 9390-40/30 80% 125A 70A 70A 60A 60A100% 100A 60A 60A 50A 45APowerware 9390-40/40Powerware 9390-80/4080% 175A 90A 90A 80A 70A100% 150A 80A 80A 70A 60APowerware 9390-80/50 80% 225A 110A 110A 100A 100A100% 175A 90A 90A 90A 80APowerware 9390-80/60 80% 250A 150A 125A 125A 125A100% 200A 110A 110A 100A 90APowerware 9390-80/80 80% 350A 175A 175A 175A 150A100% 300A 150A 150A 150A 125A19. There is no DC disconnect device within the UPS.20. A battery disconnect switch is recommended, and may be required by NEC or local codeswhen batteries are remotely located. The battery disconnect switch should be installedbetween the battery cabinet and the UPS.C A U T I O NEvery battery cabinet must have a UVR‐type DC circuit breaker with an auxiliary contact. Failure to use this type of circuitbreaker may cause severe damage to the UPS and create a personnel hazard. Note that all battery cabinets provided by theUPS manufacturer have this circuit breaker as a standard feature.21. External DC input overcurrent protection and disconnect switch for the remote batterylocation is to be provided by the user. Table Q lists the maximum rating forcontinuous‐duty rated circuit breakers satisfying the criteria for both.Table Q. Maximum DC Input Circuit Breaker RatingsUPS Model Input Voltage Rating208V/220V 380V 400V 415V 480VPowerware 9390-40/20 100A 100A 100A 100A 100APowerware 9390-40/30 125A 125A 125A 125A 125APowerware 9390-40/40Powerware 9390-80/40 150A 150A 150A 150A 150APowerware 9390-80/50 200A 200A 200A 200A 200APowerware 9390-80/60 250A 250A 250A 250A 250APowerware 9390-80/80 300A 300A 300A 300A 300A