I Ntroduction - FSP Technology EP450 series Specifications

1 I ntroduction

EP series is a line interactive power system that has a step wave output. It prevents impulse,
surge, sag and power outage situations. It provides the UPS output load with a reliable
source. It has the following functions:
1.1 Boost:
If the utility voltage drops to line boost activated point*,
and increase the input voltage by 1.18 times of incoming utility voltage.
* Boost activated point
110 VAC
99 VAC
1.2 Buck:
If the utility voltage reaches to line buck activated point,
and decrease the input voltage by 0.85 times of incoming utility voltage.
* Buck activated point
110 VAC
121 VAC
1.3 50/ 60Hz Automatic Frequency Selection:
The output frequency will automatically match the input frequency (50 or 60Hz).
1.4 Communication Port ( USB) :
It provides remote shutdown capability via communication port for connected
computers.
1.5 Data line/ telephone line protection:
The unit provides RJ11 port to provide transient voltage surge suppression
(TVSS) for data line or telephone line.
1.6 Cold start ( DC start) :
The UPS is equipped with DC start function to turn on the UPS without input source.
1.7 Green Pow er Function:
When the load can hardly be detected in battery mode, the UPS will shut down for
energy saving.
This manual contains block diagram, principle of operation, system outline and
troubleshooting.
Page 4 of 26
120 VAC 220 VAC
108 VAC 198 VAC
120 VAC 220 VAC
132VAC 242 VAC
the AVR will be activated
230 VAC 240 VAC
207 VAC 216 VAC
the AVR will be activated
230 VAC 240 VAC
253 VAC 264VAC
Rev. A