DC Cabling
Copyright © 2008-2009 Eaton Corporation. All Rights Reserved.
IPN 997-00012-71B July 2009
21
Step 2 - Fit circuit breakers (if required)
Ignore this Step if the circuit breakers are already fitted.
"
Live feed bar.
#
Bolt circuit breaker to live feed bar
(M10).
$
Secure circuit breakers with saddle-clip
and M5 screws.
%
Bolt live cable connection plate to circuit
breaker (M10).
!
Fuse fail sense wire (some circuit
breakers only - see text)
&
Live cable connection plate (horizontal
or vertical).
1
Select circuit breakers from the list in Spare Parts on page
. Pay
particular attention to the derating factors.
2
Tighten the lower terminal bolts to 18.7 - 21.9Nm (166 - 194 inch-
pounds).
3
Tighten the saddle-clip screws to 2.3 - 2.7Nm (20.5 - 23.9 inch-pounds).
4
Fit a live cable connection plate to the top terminal of each circuit
breaker. Use a 1-pole, 2-pole or 3-pole plate to suit the circuit breaker.
See Spare Parts on page
.
5
Connect the fuse fail sense wire:
•
For load circuit breakers without auxiliary contacts connect, the
sense wire as shown in the diagram.
•
For battery circuit breakers (and load circuit breakers with auxiliary
contacts) connect the wires to the auxiliary contacts that will be
closed when the circuit breaker is ON).
6
Tighten the top terminal bolts to 18.7 - 21.9Nm (166 - 194 inch-pounds).
Step 3 - Install and terminate cables
1
Select cable sizes to suit the circuit breaker ratings (refer to following
table).
2
Route the cables to the CPS.
3
Terminate the cables to the circuit breakers with the required crimp
lugs (refer to the following table).
