Eaton 93PR Series - 3.1. Creating an Installation Plan; 3.2. Site Preparations; 3.2.1. Environmental and Installation precautions

25-75 kW
User's and Installation Guide 42
4.3InstallingaRemoteEPOSwitch
A remote EPO switch can be used in an emergency to shut down the UPS and remove power to the critical
load from a location away from where the UPS is installed.
EPO is to be connected to the UPS’s top front panel, on connector EPO. Below are the NO and NC
connections of the EPO switch.
EPO connector (front view):
•ANormallyopen
•BNormallyclosed
Figure4-6:ConnectionsoftheEPOSwitch
Table 4-1: Remote EPO Wire Terminations
FromremoteEPOswitch
To customer interface Terminal
block EPO in UPS cabinet
Remarks
NO 3-4
NC 1-2
Wire jumper between 3-4 must be
installed for proper function