DC Power for
Business-Critical Continuity
501
The Compact DC Power System with Great Flexibility 1.7 – 20.4 kW
Nobody can match Emerson’s experience in power supply systems for electronics. NetSure™ DC power systems,
Liebert UPS systems, ASCO transfer switches and Control
Concepts surge suppressors, and Liebert precision climate
control, are examples of leading Emerson product brands.
Whatever type of site and operating conditions you have,
Emerson has the know-how and products for reliable power
supply and efficient thermal management.
NetSure™ 501 – Unmatched Site Installation Feasibility
NetSure™ 501, Emerson’s new small access network system, offers
unmatched site installation flexibility, due to a number of key features:
• Environmental endurance
• Space-efficient configurability
• Special features
Typical applications
The new NetSure™
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power
system from Emerson is targeting and especially suitable for
all types of access applications
in both fixed and radio access
networks. Below are some examples of typical applications
where NetSure™
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Access
Aggregation
Backbone Network
• Base Station Trancievers (BTS) and B Nodes
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Transmission
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Co-location sites
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Wimax nodes
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Digital loop carrier
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Fiber repeaters
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Small microwave units
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Digital subscriber lines
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Smaller Telecom Exchanges (RSS)
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Private Branch Exchanges (PBX)
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Data centers
• High
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Distribution solutions
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Points of presence
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Other data or communications equipment
requiring reliable -48 V power supply
DC power for small to medium
size applications in wireless
and wireline networks.
Environmental Endurance
Diagram 1
Great output power at high temperatures
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High output power at high temperatures
NetSure™ 501 rectifiers deliver high output
power in relation to ambient temperature
conditions (see diagram 1), making them
especially suitable for high-temperature
installation environments. In a system with
rectifiers operating at 65°C, the output is still
1500W per rectifier.
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The AC voltage input range vs. rectifier output
is another extraordinary feature of this small
system. The rectifier’s power output ranges
from 85V AC to 290V AC. Between 176-290V
AC, the output is 100% (see diagram 2).
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Extremely wide AC voltage range window
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Configurability for Space and Energy Efficiency
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On system level – ��
Rectifier and Multi-Function Unit
The 1700W CE-marked and EMC class-B rectifier
in this system is only 2U high and 2U wide. In a
19-inch wide space with a height of 2U, (44, 45*2
mm), you can pack 6.8 kW. In a 23-inch solution,
the power of 2U is 10.2 kW. If two rectifier shelves
are used, the 19-inch x 4U system produces
15.3 kW and for 23-inch x 4U = 20.4 kW.
Single Subracks:
Double Subracks:
6.8 kW
15.3 kW
8.5 kW
Multi-Function Units
To provide the best possible configuration for
specific access applications and customer needs,
the rectifier racks are combined with different
Multi-Function Units. These Multi-Function Units
integrate the AC connection to the rectifiers,
load distribution breakers, battery breakers and
shunts for current measurement and contactors,
to deliver the required LVD and priority load.
18.7 kW
10.2 kW
20.4 kW
Some Multifunction Units:
Other units
Together with the optional AC distribution unit
and extension distribution for DC, the variation
and adaptation feasibility of the NetSure™ 501
system become almost endless.
The AC distribution unit can be equipped with
mains breaker, AC circuit breakers, service outlets, surge suppression and RCDs to meet all
your needs.
Example 1:
2U high MFU without controller, 19 or 23 inch wide
12 x 13 mm breaker positions (normally 3 prio load, 6 normal load
and 3x60A battery)
Numbers of shunts:
Number of contactors: 0-2
Example 2:
3U high MFU without controller, 19 or 23 inch wide
Configurable breaker sizes: 1-200A distribution and/or battery breakers,
40 x 13 mm or 28 x 18mm breaker positions (13, 26, 39, 18, 27, 54 mm
breakers can be mixed in the same unit without any problem)
Number of contactors: 0-2
The Extension distribution is equipped with
a configurable breaker in the sizes 1-200A
distribution breakers, located into the
40 x 13 mm or 28 x 18 mm breaker positions.
AC Distribution Unit:
Example 3:
3U high MFU with controller, 23 inch wide
Configurable breaker sizes: 1-200A distribution
and/or battery breakers,
32 x 13 mm breaker positions or 23 x 18mm
breaker positions
(13, 26, 39, 18, 27, 54 mm breakers can be
mixed in the same unit without any problem)
Number of contactors: 0-2
Controller: SCU or ACU
On Site – Some Configuration Examples
General Configurations
Compact Configurations
C1 -19”
G1 - 23”
G2 - 23”
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NetSure™ 501 (G):
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“A future-proof and flexible solution that grows with
your business”
With its scalable building blocks, the NetSure™ 501
G is a modern future-proof system that meets your
present and future business needs. As your business
grows, NetSure™ 501 G can be easily extended with
additional capacity and/or upgraded with supplementary features and functions.
C2 - 23” Also available in
19” configuration
C1 -23”
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NetSure™ 501 (C):
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“Low investment cost”
When a compact and cost-efficient solution is
desired, NetSure™ C is the optimal concept.
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501 comes in many different shapes
You get highly flexible, system configurations
in stand-alone cabinets, or smaller, more
cost-effective and compact systems in wallmounted or battery rack-mounted cabinets
called Hardtop. These installation alternatives
are optimal for any building or shelter
installation.
NetSure™ 501 can be easily integrated into
any of Emerson’s outdoor enclosure solutions
when a pre-manufactured space-efficient
outdoor solution is needed for a fast rollout
and/or limited site installation footprint, or to
meet other special site requirements.
Special features
Adjustable AC input current limitation
The adjustable AC current input limitation is
a system feature that is handy for installation
locations with special AC mains supply tariffs
on larger AC mains breakers. This feature
allows you use 10A AC input breakers or
smaller, if desired.
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Expansion of existing sites
When you want to expand an existing site, you
can make the existing site co-work with our
NetSure™ system by using the patented Power
Spilt feature in Emerson’s power system. This
feature allows two completely different systems
to share the load without problems.
Once the NetSure™ 501 system is installed at
a site, you can expand system capacity by
inserting hot rectifiers during operation –
an easy an uncomplicated process.
Monitoring – For Cost-effective and
Time-efficient Operation and Maintenance
Network Management
SCU and ACU
ENEC
The SCU is used for unattended site
control, while the ACU is used for
advanced control functionality to
monitor remote or especially important
sites, for example. The controllers can
be installed in the rectifier shelf or in
the MFU.
Controllers and monitoring functionality
The SCU provides detailed information
about the power systems’ functions and
alarms by means of a graphical display
on site, or through a web browser.
Together with different supervision
modules, the ACU can collect present
detailed information and alarms related
to AC mains, diesel gensets, battery
backup, fans, fire detection systems,
doors and other auxiliary equipment.
This functionality can help you save
money on service visits to remote or
especially important sites, as you get
perfect information about the detailed
status of the site, and which specific
spares that might be needed, before
going to the site.
PSTN, TCP/IP, GSM
Switching Centre
ACU
Radio Base Station
SM BAT
SM AC
SCU
ABBREVIATIONS
PSTN
Public Switched Telephony
Network, an ordinary
telephone line
ENEC
Emerson Network Energy Center
SCU
Standard Control Unit Available
in two different sizes, but with
the same functionality
ACU
Advanced Control Unit
SM AC Supervision Module for
Alternating Current
SM IO
SM BAT Supervision Module for Battery
Backup
SM IO
Supervision Module for generic
monitoring
MFU Multi-Function Unit
LVD
Low Voltage Disconnection.
Possible disconnection of the
batteries at a lower (adjustable)
voltage level in order not to
destroy the batteries by
discharging them it too low
during a mains failure.
www.emersonenergy.com
A
A Cabling space
B DC distribution unit (extension, optional)
C Cabling space (incl. AC terminals if no distribution)
D Multi-function unit
E Connection board
F Controller
GRectifier rack
HRectifier rack (extension)
I AC distribution unit (optional)
B
C
E
D
F
G
H
I
System Key Features
•Optimized cost-efficient configurations by using a Multi-Function Unit
• Available in 19-inch and 23-inch compact subrack solutions for perfect
integration in the equipment racks of Technology Providers or other
customized rack solutions.
• Wide AC input window
• Adjustable AC input current (when the site requires or has
a specific rating of AC input breakers)
• Wide temperature tolerance
• System configurations available in wall-mounted, battery-rack-mounted or
stand-alone cabinets available in many different heights and depths.
• Uses the same controllers and similar system components as other NetSure™
X01 products (NetSure™ 201 and NetSure™ 701)
• LVD and priority load
• Advanced or standard monitoring functionality and battery
test and charge functions
• Optional remote monitoring through web browser,
TCP/IP, SMNP GSM, PSTN, and ISDN.
Key Benefits
• Cost-effective solutions with high flexibility
• Small configurations with high energy density
• Suitable for harsh conditions (high temperatures and wide AC voltage ranges)
and all types of installation alternatives (wall-mounted, battery rack-mounted,
subracks, stand-alone) in buildings, outdoor enclosures or shelters.
Emerson Network Power, the leading supplier of DC power
systems in the world, is close to you wherever you are.
Our global network of DC power specialists has experience second to none.
We have more DC power installations in operation on all continents than
anybody else in our industry. Call us, or come and see us, to talk about how
we can meet your DC power needs.
Emerson (NYSE: EMR), based in St. Louis, is a global leader in bringing technology and engineering
together to provide innovative solutions to customers through its network power, process
management, industrial automation, climate technologies, and appliance and tools businesses.
Sales in fiscal 2006 were $20.1 billion.
www.gotoemerson.com
Emerson Network Power is the electronics/IT and telecom business segment of the Emerson Group.
Emerson Network Power is a global market leader in energy-related solutions for the telecommunications
and information technology markets. Based on more than a century of experience in the field we
manufacture and sell, among other products, power supplies, standby power systems, climate control
systems, and energy management systems. We also provide total energy solutions and a service
concept for the global IT and telecom market. Emerson Network Power has offices in all parts of the
world and serves customers in more than 100 countries covering all continents. Among Emerson
Network Power’s product divisions are: ASCO, Astec Power, Emerson Energy Systems, and Liebert.
www.emersonnetworkpower.com
Emerson Network Power Energy Systems is the DC power and solution product division within
Emerson Network Power.
www.emersonenergy.com
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Energy
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EN/LZT 145 282 RA Production: Emerson Network Power Energy Systems AB. Subject to change without notice. Print: Icicle Production Co., Ltd.