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English
1. The Battery Backup and Surge output power receptacles.
2. The Low Battery/Overload/Fault (Red) LED. The Low Battery/Overload/
Fault (Red) LED illuminates in a steady state when the UPS has an inter-
nal fault and the audible alarm will be continously beeping. The Low Batt-
ery/Overload/Fault (Red) LED blinks when the UPS is Overloaded and the
audible alarm will sound one beep every half second. The Low Battery/
Overload/Fault (Red) LED blinks when the UPS reaches a Low Battery
Warning and the audible alarm will sound two beeps every five seconds.
The Low Battery/Overload/Fault (Red) LED blinks when the battery is weak
or needs to be replaced and the audible alarm sounds three beeps
every thirty seconds.
3. The input circuit breaker will trip in the event the output load exceeds the
UPS’s power rating.
4. On/Off Button.
5. The input power cord.
6. The On Utility/On Battery (Green) LED. The On Utility/On Battery (green)
LED illuminates in a steady state when the UPS is on and operating in the
AC normal mode. The On Utility/On Battery LED blinks when the UPS is
operating in the Battery mode and the audible alarm will sound one beep
every five seconds.
7. The Surge Only output power receptacles.
8. The RJ11/45 modular connectors are used for single line phone/fax/modem
protection.
9. The RJ45 connector is for the USB communications port for UPS monitoring
and control.
Output Power Receptacles
EN400
NEMA 5-15P W/6 ft cord
Model #
EN600
3-NEMA 5-15R Surge Only
3-NEMA 5-15R Battery Backup & Surge
Input Power Plug
