Specifications

Installation Reference
A-54 Eaton PDU (150 kVA) Installation and Operation Manual 164202126—Rev 5 www.eaton.com/powerquality
Table U. UCB TB1 and TB2 Interface Connections
TB1 Terminal Name Description
1 Building Alarm 1 Input: Programmable PDU alarm, activated by a remote dry contact closure. Building
alarm inputs can be programmed for use with either normally-open or normally-closed
contacts.
2 Building Alarm 1 Return
3 Building Alarm 2 Input: Programmable PDU alarm, activated by a remote dry contact closure. Building
alarm inputs can be programmed for use with either normally-open or normally-closed
contacts.
4 Building Alarm 2 Return
5 REPO Input: normally-open or normally-closed dry contact used to activate PDU EPO from a
remote switch. The factory default configuration is set up for use with a normally-open
switch. To use a normally-closed switch, the configuration must be changed during
setup by an Eaton Customer Service Engineer.
6 REPO Return
7 Local EPO Input: Dry contact to activate PDU EPO of from factory wired local cabinet-mounted
EPO switch.
8 Local EPO Return
TB2 Terminal Name Description
1 Alarm Relay Common Output: General purpose normally-open (NO) and normally-closed (NC) relay
contacts. Set by default to signal when a panelboard or subfeed breaker
overload occurs.
2Alarm Relay NO
3 Alarm Relay NC
NOTE “Return” indicates connection to electronics circuit ground. “Common” indicates connection to common side of isolated relay
contact.
Table V. PDU Aux & Shunt Trip Wiring Terminal Block Terminations
Terminal Function Rating
Size of Pressure
Termination
Tightening Torque
Nm (lb in)
Type Screw Comment
Shunt Trip or Auxiliary Contacts 600V, 20A #26–#12 0.4 (3.5) - 0.8 (7.1) Slotted Use twisted-pair wires for each input and return
or common.
Strip wire insulation back
10 millimeters to wire terminal blocks.
Table U. U
C
B TB1 and T
B
2 Interface
C
onnection
s