UPS System Installation
Figure 39. Typical Alarm Relay Connection
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
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Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201764—Rev 14
Alarm Relay
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TB2
Alarm Relay NC
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Alarm Relay Common
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Alarm Relay NO
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Alarm Relay Common