UPS System Installation
Figure 4-22. Interface Terminal Detail
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 comm
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.
Figure 4-23. Typical Alarm Relay Connection
®
4-30
Eaton
Power Xpert
Alarm Relay
®
9395P-900 UPS Installation and Operation Manual P-164000501—Rev 09
X-Slot Communication Bays
TB1
TB2
TB2
Alarm Relay NC
3
4
Alarm Relay Common
5
Alarm Relay NO
6
Alarm Relay Common
www.eaton.com/powerquality
See Figure 4‐24
for terminal
assignments.