Vertiv | NetSure™ 8200 Series -48 VDC Power System User Manual (UM582140000) | Rev. A
SYSTEM DESCRIPTION
Refer to SAG582140000 (System Application Guide) for additional information.
Description
-48 VDC @ up to 16,000 Amperes Power System
The NetSure™ 8200NLDB (208V Input Power/Distribution and Power Only Bays), 8200NLEB (480V Input
Power/Distribution and Power Only Bays), and 8200NL-B (Distribution Only Bay) DC Power System is an
integrated power system containing rectifiers, intelligent control, metering, monitoring, and distribution.
This power system is designed to power a load while charging a positive grounded battery. The power system
is capable of operating in a batteryless installation or off battery for maintenance purposes. The power system
is designed for operation with the positive output grounded.
This power system can consist of the following components. The system must consist of one (1) primary
power/distribution bay or primary power only bay and may consist of up to seven (7) additional bays. These
additional bays may be a combination of secondary power/distribution bays, secondary power only bays, and/or
distribution only bays (maximum of 4 distribution only bays per system). The system can be expanded right or
left.
Power/Distribution Bays and Power Only Bays
Each power/distribution bay and power only bay can be equipped with up to ten (10) rectifiers. The
power/distribution bay and power only bay can be ordered factory configured for various AC input options. The
power/distribution bay also provides distribution. Distribution is divided into two buses which accept a choice
of fuse and circuit breaker types and sizes.
Each power/distribution bay and power only bay contains a monitor and control shelf. The monitor and control
shelf contains an NCU controller (main bay) or NCU controller interface (secondary bays). An SM-DUE module
is mounted in each secondary bay’s control shelf. Refer to “SM-DUE” on page 13. An indicator is visible from
the outside of the bay (at the top) which illuminates if an alarm condition occurs.
The primary power/distribution bay or primary power only bay contains a front panel touch screen connected
to the NCU controller. The primary bay also includes an NCU interface board (IB2) which provides digital
inputs, temperature inputs, and relay outputs for internal and external monitoring and alarms. An NCU
extended interface board (EIB) is also provided for additional inputs/outputs connections. Also furnished is the
IB4 board which provides a second Ethernet port. The Ethernet port located on the NCU controller’s front
panel is used to connect the front panel touch screen directly to the NCU. The Ethernet port located on the
IB4 board can be used to connect the NCU to your Local Area Network (LAN) for remote access.
Distribution Only Bays
Each distribution only bay provides four (4) distribution buses. Each distribution bus accepts a choice of
218-type circuit breakers and TPL-type fuses. A distribution only bay may also be equipped with an optional
distribution panel which accepts a choice of TPS/TLS-type fuseholders or bullet nose-type circuit breakers. An
indicator is visible from the outside of the distribution only bay (at the top) which illuminates if a fuse or circuit
breaker in the bay opens.
Rectifiers
The system contains rectifiers; which provide load power, battery float current, and battery recharge current
during normal operating conditions.
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