Specifications

40kW InfraStruXure PDU—Operation and Configuration 59
How to Test the Emergency Power Off
Switch
Overview
Connecting the switch. The Emergency
Power Off (EPO) switch connects to the
PDU user connection plate. The figure on the
right shows the location of the user
connection plate on the roof of the PDU.
Connect a switch using one of three
following connections:
• Contact closure
•24VAC
•24VDC
Note
APC offers an optional InfraStruXure EPO System (EPW9). Contact your APC sales
representative, or visit the APC Web site (www.apc.com) for more information.
Caution
If you are not connecting an Emergency Power Off switch to the PDU, leave the
Arm/Test rocker switch on the PDU monitoring unit to the Te st position.
Note
Contact closure is recommended.
1 234
ATS E N
ATS 0
AT S 1
ATS 2
EPO
Contact
– +
EPO 24 V
AC/D C
Contact Inputs
Contact Outputs
USER INTERFACE
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