KEPCO RA 19-8B Quick Start Guide - Manual

©2009, KEPCO, INC 1
Data subject to change without notice 228-1681
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Q U I C K S T A R T G U I D E
KEPCO
An ISO 9001 Company.
RA 19-(X)B
Rack Adapter
RA 19-6B, RA 19-7B, RA 19-8B
RACK ADAPTER
I — INTRODUCTION
SCOPE OF MANUAL. This Quick Start Guide covers
installation and operation of Kepco RA 19-(X)B Rack
Adapters (i.e., RA19-6B, RA 19-7B and RA 19-8B) for two
common configurations: independent operation and paral-
lel operation. For the full capabilities and specifications of
the RA 19-(X)B, and to take advantage of the many choices
and features not covered in this Quick Start Guide, the user
is urged to download the complete Operator’s Manual from
the Kepco web site at www.kepcopower.com/support/
opmanls.htm#ra19-xb
DESCRIPTION. Kepco RA 19-(X)B rack adapters (Fig-
ure 1) are specifically designed for any combination of
Kepco’s 3U 50W, 100W or 150W HSF and HSF-PFC
power supplies. RA 19-6B holds up to six 150W HSF 3U
power supplies; RA 19-7B holds up to four 50W or 100W
(slots 1 through 4) and up to three 150W HSF power sup-
plies (slots 5, 6 and 7); RA 19-8B holds up to eight 50W or
100W HSF power supplies. Optional cover plates are avail-
able to cover unoccupied slots
These rack adapters are user-configurable for parallel,
series, or independent power supply operation. Forced cur-
rent sharing and OR’ing diodes for N+1 redundancy are
built into the HSF power supplies. A-C inputs are split to
deliver independent source power to left and right power
supply groups. User-configurable keying can ensure that
only the correct power supply can be installed in a keyed
slot. Input/output connections between RA 19-(X)B and
HSF power supply are via HSF connectors that plug into
corresponding connectors of the RA 19-(X)B. All connec-
tions are made at the rear panel (see Figure 2).
FIGURE 1. RA 19-(X) B RACK ADAPTERS, FULLY POPULATED