INSTALLING A REMOTE BATTERY DISCONNECT
EATON Powerware
®
9315 UPS (500–750 kVA) Installationand Operation Manual S 164201691 Rev 1 www.powerware.com
4-2
S Nominal voltages listed in t his chapter are for a lead-acid batteries rated per NEC at
2.00 Vdc per cell.
S Battery strings must be installed according to all applicable codes and regulations,
including NEC, Article 480.
S The UPS to battery cable should be sized for a total maximum voltage drop
of 1% nominal DC Link voltage at maximum current.
S Table 4-1 details the power cable terminations.
S The remote battery disconnect weighs approximately 60.3 kg (133 lb).
It has an ampere interrupting capacity (AIC) of 100,000 at 500 Vdc.
Table 4-1. Remote Battery Disconnect Power Terminations
Number and Type of Accessories Permitted
Terminal Terminal Function Size of Termination
Tightening Torque
Nm (lb ft)
Bolt Size
E4 (+) UPS Battery Input (+) See Table H on page A-16
E5 (–) UPS Battery Input (–) See Table H on page A-16
Breaker (+) Battery Disconnect (+) 8 – 1 Bolt Mounting
Bus Bar
76 (56) 1/2”
Breaker (–) Battery Disconnect (–) 8 – 1 Bolt Mounting
Bus Bar
76 (56) 1/2”
Breaker (jumper) Battery Disconnect
(jumper)
8 – 1 Bolt Mounting
Bus Bar
76 (56) 1/2”
Table 4-2. Remote Battery Disconnect Circuit Breaker Ratings
UPS Model Circuit Breaker Rating DC Voltage
9315-750/500 1600 480
9315-750/625 2000 480
9315-750/750 2500 480
