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INSTALLATION REFERENCE
EATON Powerware
®
9315 UPS (500–750 kVA) Installation and Operation Manual S 164201244 Rev E www.powerware.com
A-21
28. A battery disconnect switch is recommended, and may be required by NEC or
local codes when batteries are remotely located. The battery disconnect
switch may be supplied as an accessory, and should be installed between
battery and UPS.
29. If the conductors used for DC input from the battery string to the UPS are
those provided by the UPS manufacturer, and the UPS and battery string are
manufactured by the same supplier, then it is acceptable if they do not meet
the noted minimum conductor sizes.
30. The UPS DC disconnect trip signal from CB2TB, points 9 and 10 (shunt trip)
must be connected to the DC source disconnect device.
S.T. RTN-24 VDC
CB2 AUX #1
CNT-120 VAC
NOT USED
NOT USED
NOT USED
CB2TB
ST
BATTERY
DISCONNECT
CB2 AUX #1
S.T. RTN-24 VDC
CB2 CLS-120 VAC
CNT-NEUT
Figure A‐11. CB2TB to DC Source Disconnect Device