Brochure

Components of the NetSure
™
ITM DC Power System
Each NetSure
™
ITM DC UPS module consists of twelve 5.8 kW power conversion units (PCUs),
an advanced controller, three strings of 6V long-life VRLA battery cells, and 48V DC branch
distribution to feed each server rack. In addition to comprehensive efficiency and power
metrics, the advanced controller provides complete system and battery monitoring. Further-
more, power to each output circuit is individually monitored. Batteries and your choice of
output distribution are integrated into the system prior to shipment from the factory for
simplified site installation.
Excellence EB4 VRLA BatteryNetSure
™
System Controller ACU+eSure
™
High-Efficiency Power Conversion Unit
6
Energy Optimization and
Comprehensive Monitoring
All NetSure
™
ITM DC UPS modules are
controlled and monitored by the Advanced
Control Unit (ACU+). Critical system
functions and operational conditions as well
as alarms can be viewed both locally via LCD
display and remotely via a secure web
interface, Liebert
®
SiteScan
™
or
EnergyMaster
™
Remote Supervision.
Essential system metrics and alarms are
continuously monitored:
System input and output details
Battery state of health
DC output branch distribution circuits
VRLA Batteries
The system features three strings of 6V
VRLA batteries from Emerson. The
Excellence series battery is a top-of-the-
line front terminal battery that is designed
for reliable and efficient operation with a
long life expectancy. High energy density
combined with superior endurance ensures
long-term, trouble-free performance.
Designed for small areas, the Excellence
series consumes less rack space and
facilitates easy installation and handling.
This battery is rated for 10 years at 25°C and
includes a 3 year full warranty.
Power Conversion
Units (PCUs)
Designed for best-in-class efficiency
(96%) and high power density, the
foundation of the NetSure
™
ITM
is the modular 3-phase input PCUs.
Installation and maintenance is easy
with plug-and-play functionality and a
weight of only 17.6 lbs (8 kg). The PCU
also features a low THD level (<5%).