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INSTALLING A REMOTE BATTERY DISCONNECT
EATON Powerware
®
9315 UPS (500–750 kVA) Installation and Operation Manual S 164201244 Rev E www.powerware.com
4-2
S Nominal voltages listed in this 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 384
9315‐750/625 2000 384
9315‐750/750 2500 384