Eaton Power Xpert 9395 550/275 Installation And Operation Manual page 80

Table 21. TB1, TB2, and TB3 Interface Connections
Terminal
Name
TB1
1 REPO NC
2 REPO Return
3 REPO NO
4 REPO Return
Battery Aux
5
Battery Aux Common
6
48 Vdc Battery Shunt Trip +
7
48 Vdc Battery Shunt Trip –
8
Output Contactor K3 NC Aux
9
Output Contactor K3 NC Aux Common
10
Terminal
Name
TB2
1 Pull Chain
2 Pull Chain Common
Alarm Relay NC
3
Alarm Relay Common
4
Alarm Relay NO
5
Alarm Relay Common
6
7 Not Used
8 Not Used
9 Not Used
10 Not Used
Terminal
Name
TB3
Building Alarm 1
1
Building Alarm 1 Return
2
Building Alarm 2
3
Building Alarm 2 Return
4
Building Alarm 3
5
Default: Charger Off
Building Alarm 3 Return
6
Building Alarm 4
7
Default: On Generator
Input: Normally-closed dry contact used to activate UPS EPO from a remote
switch.
Input: Normally-open dry contact used to activate UPS EPO from a remote
switch.
Input: Normally-open contact used to indicate when UPS battery breaker is
open or closed.
Output: Contacts used to open battery breaker or disconnect.
Output: Normally-closed contact opens when output contactor closes.
Output: Backup control for parallel operation.
Output: General purpose normally-closed (NC) relay contact.
Output: General purpose normally-open (NO) relay contact.
Input: Programmable UPS alarm, activated by a remote dry contact closure.
Input: Programmable UPS alarm, activated by a remote dry contact closure.
Input: Programmable UPS alarm, activated by a remote dry contact closure.
Default function set for charger off.
Input: Programmable UPS alarm, activated by a remote dry contact closure.
Default function set for on generator.
Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201716—Rev 14
UPS System Installation
Description
Description
Description
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