General Wiring Recommendations - ADC PowerWorx Select Series User Manual

Note: Provide one rack unit of space above and below the fuse panel for air circulation.
Figure 12. Rear View of Typical Circuit Breaker Panel Installation in Equipment Rack
3. Secure the panel to the rack using the four 3/8-inch (9.525 mm) long 12-24 pan-head
screws and #12 flat washers provided (use star washers when required by local practice).
Tighten the screws to 27 pound-force inches (3.1 Newton meters) of torque to insure
grounding.
4.6

General Wiring Recommendations

Note: Before connecting the input and output power wires, measure the resistance as
defined in
Route and connect ground cables, power cables, and alarm cables to the panel connectors
according to local practice and the applicable subparagraphs. An example of the connections to
the circuit breaker panel is shown in
management bar (if optional accessory ordered).
Caution: Connect both buses of the circuit breaker panel to only –24 Vdc or –48 Vdc.
TO PROVIDE SUFFICENT AIR CIRCULATION FOR
COOLING, ALLOW A MINIMUM OF 1.75 INCHES (4.45 CM)
OF AIR SPACE BETWEEN THE CIRCUIT BREAKER PANEL
AND THE NEXT ITEM IN THE RACK
(Panel with Protective Cover and Cable Management Bar Shown)
Subsection 5.1, Resistance
Figure
Test.
13. After routing the cables, tie them to the cable
© 2006, ADC Telecommunications, Inc.
ADCP-80-531 • Issue 4 •July 2004
16760-B
Page 21