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See figure 4-28 – Powerware 9395 UPS and Plus 1 UPS 650825 kVA User Manual

Page 80

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UPS SYSTEM INSTALLATION

EATON Powerware

®

9395 UPS (650–825 kVA) Installation and Operation Manual

S 164201725 Rev 2 www.powerware.com

4−34

X−Slot Communication Bays

TB1

TB2

See Figure 4-30
for terminal
assignments.

Figure 4-28. Interface Terminal Detail

TB2

NOTE Alarm relay contacts have a maximum current rating of 5A and a
switched voltage rating of 30 Vac and 28 Vdc.
NOTE Alarm relay normally−open and normally−closed return terminals
are separated on the terminal board but are electrically in common.
NOTE Do not directly connect relay contacts to the mains related
circuits. Reinforced insulation to the mains is required.
NOTE Alarm relay wiring should be a minimum of 22 AWG

.

Alarm Relay

3

4

5

6

Alarm Relay NC

Alarm Relay Common

Alarm Relay NO

Alarm Relay Common

Figure 4-29. Typical Alarm Relay Connection