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We can provide UPS Systems 10kVA and larger in 3-phase models.
One of the most popular and most efficient models available is the American Power
Conversion (APC) Silcon® series UPS.
APC delivers the new wave of 3-phase power protection
What makes a hot technology hot? In the eyes of an
enterprise customer, hot means a technology thats convenient and easy to
use, and efficient and trouble-free to operate. A hot product is manufactured
of high quality materials and as a result of its superior design, inherently carries a low
cost of ownership. All of these characteristics define APCs Silcon®
Series Delta Conversion On-line machines. The unique architecture of the APC Silcon
Series introduces a new category of power protection: the highly efficient 3-phase UPS.
Customers who install APC Silcon Series systems immediately begin to realize benefits in
the form of dramatic reductions in energy consumption costs, installation and wiring
costs, air conditioning costs, harmonic distortion costs and maintenance costs. More
importantly, the APC Silcon Series units excel at their primary function: to supply clean
3-phase power to critical applications, datacenters and facilities regardless of power
failures, sags, surges, brownouts, line noise, high voltage spikes, frequency variations
and switching transients.
Features and Benefits
Availability
Customers can now enjoy the benefits of redundant UPSs by configuring and installing
multiple 20kVA units. For example, if kVA requirements are high, up to 9 500kVA UPSs can
be paralleled to supply the load with the energy it needs. Up to four units can be
configured in parallel mode without requiring the installation of expensive external
static switches.
Advanced power management
Silcons intelligent control can be programmed to maximize the overall
efficiency of parallel Delta Conversion On-line systems. By designating as
active only the systems needed to supply the load, the other systems can be
held in stand by mode, ready to start up without interruption when required.
Furthermore, to reduce stress and improve reliability, the load can be switched between
the parallel systems in preprogrammed sequences.
Lower cost of ownership
The Silcon Series is higher in efficiency that other online technologies. The Delta
Conversion On-line units simply do not consume large quantities of energy and also produce
much less heat. Customers need not oversize an air conditioning unit to compensate for the
heat loss which traditional UPSs generate.

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Lower installation cost
The Silcon Delta Conversion On-line UPS has a power factor corrected input, ensuring that
the input power factor is always one, regardless of load and utility voltage. A power
factor of one minimizes installation costs by requiring smaller cables and smaller fuses.
Eliminates wear and tear on electrical infrastructure
Utilities and power distributors are creating standards to limit the harmonic distortion
produced by users. Violating these standards can be very costly. Many double conversion
3-phase systems produce a level of harmonic distortion high enough to negatively impact
the utility and its customers. To remedy the situation, customer are obliged to install
large expensive filters. These filters further diminish the overall efficiency of the
double conversion machine. The Silcon Delta Conversion On-line technology, which maintains
a sinusoidal utility current, eliminates this 3-phase double conversion topology problem.

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Compliant with power supplies, for the present and the future (kVA = kW)
Over the past three years, more and more computer manufacturers have built Power Factor
Corrected (PFC) power supplies into their servers. In order to avoid unnecessary wear and
tear on computer components, the Volt-Amps (VA) requirements of all the computers that
make up the load need to equal the Watts (W) capacity of the UPS. The Silcon Series units
are PFC compliant. Without derating the unit, double conversion 3-phase UPS systems are
not PFC compliant. Therefore, as more and more PFC computers enter into your datacenter,
the probability becomes greater that the legacy double conversion 3-phase UPSs becomes
overloaded. With Silcon Series units, this problem is eliminated because the kVA rating of
the Silcon Series unit equals the kW rating.
Many sizes and run-times to choose from
Select from the following lists of standard ratings. And multiple units
can be paralleled for even greater flexibility.
Power Accessories
External Battery Solutions
External Battery Solutions are available when runtimes of 15 minutes or greater are
required. Part numbers are assigned to the runtime which you need thereby eliminating any
lengthy calculations.

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External Service By-pass
Panel The External Service By-pass Panel allows for the performance of proactive
maintenance on the UPS without dropping the load. This prevents unwanted interruptions and
maintenance technicians avoid the risk of electric shock.
Management Accessories
PowerChute® Network Shutdown
PowerChute Network Shutdown allows for safe shutdown of servers, notification of
end-users, running command files and logging of events. This shutdown software is
available for a variety of operating systems including Windows NT, NetWare, HP-UX, Linux,
Solaris, and others.

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Web/SNMP Management Card
The Silcon Web/SNMP Card allows monitoring of the Silcon Delta Conversion On-Line UPS from
any Web browser. The Silcon Delta Conversion On-Line UPS can also be monitored via Telnet,
SNMP (NMS Management Scheme), and the Web.
MasterSwitch
The MasterSwitch network power controller can easily reboot remote servers,
internetworking equipment, or banks of modems to prevent on-site service calls.
MasterSwitch allows remote control of up to eight (8) independent power channels.

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Out-of-band Management Card
The Out-of-band Management Card provides remote access to detailed UPS information, gives
you remote paging upon power events, and remote safe reboot of attached equipment via
user-supplied modem. Users have the ability to communicate with the UPS even during power
outages or when the server is down. The out-of-band management card allows remote power
management via serial or modem link.
Environmental Monitoring Card
The Environmental Monitoring Card will remotely monitor temperature, humidity, and other
envi-ronmental conditions via PowerChute plus software, Out-of-band management card,
Web/SNMP Management Card, or SNMP Agents.

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Services
APC Power Quality Engineers, Power Specialists, High Power Partners, and
Professional Services personnel guarantee complete satisfaction with any APC service. When
it comes to power management, you deserve the Legendary Reliability and peace of
mind that only APC Global Services can provide.
Options include: Start-up Service, Essential Power Reliability Package, Premium
Power Reliability Package, Enterprise Power reliability Package, Annual Maintenance
Program and Remote Monitoring Service. See the downloadable Silcon brochure below
for details.
For more complete specs and descriptions click
here for a 12 page pdf file. (Left-click to view or right-click to save file.)
Due to the wide variety of options and features Silcon UPS systems are custom
quoted to fit your specific requirements. To request a quote go to our Large UPS Quote Request Form.