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9.
The UPS DC UVR trip and Battery Aux signal wiring from the UPS must be connected to
the DC source disconnect device.
10.
Battery Aux and UVR wiring should be a minimum of 18 AWG.
Table S. Battery Disconnect Interface
Table T. Alarm Relay Contact
CONTACT RATING
Switched Voltage:
277 Vac
28 Vdc
NOTE:
Relays are shown in de-energized state. Relays change state when the
UPS is in Normal mode.
EATON Powerware
9390 UPS (100–160 kVA) Installation and Operation Manual S 164201554 Rev E powerware.com
®
UPS
TB2
5
BATTERY AUX +
BATTERY AUX ---
6
7
BATTERY UVR +
8
BATTERY UVR ---
ALARM RELAY
Maximum Current: 5A
DESCRIPTION:
DRAWING NO:
REVISION:
Installation Information
BATTERY
BREAKER OR
DISCONNECT
TB1
5
UPS
6
7
8
Minimum Wire Size: 22 AWG
INTERFACE WIRING INSTALLATION
NOTES AND TERMINAL LOCATIONS
164201554---8
DATE:
D
SHEET:
5 of 13
032406
A-37
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