EPO
30 Rack Online 1-3k UPS User Manual
Annex B. EPO
EPO(Emergency Power Off) is optional function to shutdown UPS completely at emergency
condition. This function can be activated through a remote contact or a similar switch provided
by the user. Normal, EPO terminals without short, When emergencies happen to short the EPO
terminals, EPO effect function, UPS close the rectifier ,inverter output immediately,
schematic diagram is as follows:
Fig.9 EPO effect function