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Eaton 93E Generation 2 UPS 100-200 kVA
(380/400/415V)
output of the system shuts down. If the bypass source is available, the UPS
transfers to bypass instead of shutting down.
If at any time during the battery discharge the input power becomes available
again, the input and the backfeed protection contactors close and the rectifier
begins to supply DC current to the converter and inverter. At this point, the unit
returns to the double conversion (normal) mode. Depending on the total load
and the duration of the battery discharge, battery-related alarms may be seen
for a short time due to the current required to recharge the battery.
3.3
The Eaton UPS has many standard features that provide cost-effective and
consistently reliable power protection. The descriptions in this section provide a
brief overview of the UPS standard features.
3.3.1
Power wiring can be routed to the bottom or rear of the cabinet with connections
made to easily accessible terminals. Control wiring is routed through the right
side of the cabinet and must be installed in accordance with Class 1 wiring
methods.
3.3.2
The control panel, located on the front of the UPS, contains a liquid crystal
display (LCD), and push-button switches to control the operation of the UPS and
to display the status of the UPS system. See Chapter
3.3.3
•
Signal input monitoring – Up to 3 inputs in the UPS are available to connect
the alarm system contacts of the facility. Some system configurations may
limit the number of inputs available. The UPS uses these inputs to monitor
the signal inputs in addition to the UPS status. See Chapter
information.
•
MiniSlot communication bays – 2 communication bays are standard
equipment. 1–2 optional MiniSlot connectivity cards can be installed in the
UPS module at any time. MiniSlot cards are quickly installed at the front
(behind the door) of the UPS and are hot-pluggable. See Chapter
additional information.
3.3.4
The 93E Series UPS offers a high-efficiency (HE) normal mode with double-
conversion on demand that allows the UPS to operate in the standby bypass
mode. This mode allows the 93E UPS to achieve 99% efficiency while still
©
Eaton Corporation plc 2019. All rights reserved.
UPS features
Installation features
Control panel
Customer interface
High-efficiency mode
Revision: 002
Document ID: P-164000848
User's and installation guide
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