Instructions / Assembly

QO
®
and Homeline
®
Load Centers 40271-419-04
Instruction Bulletin 06/2005
Electrical equipment should be installed, operated, serviced, and
maintained only by qualified personnel. No responsibility is assumed
by Schneider Electric for any consequences arising out of the use of
this material.
© 2005 Schneider Electric USA All Rights Reserved
Schneider Electric USA
1601 Mercer Road
Lexington, KY 40511 USA
1-888-SquareD (1-888-778-2733)
www.us.SquareD.com
INSTALLING THE COVER
1. Remove the cover twistouts.
a. Remove only enough twistouts to match the number of circuit
breakers being installed.
b.Twist out with pliers at the center of the twistout. See Figure 8.
c.Close all unused open spaces in the cover using filler plates
as listed on the cover directory label.
2. Attach the Spanish translation label, if supplied with the load
center, to the rear of the cover. See Figure 9.
3. Identify the branch circuits on the directory label.
4. If the load center is used as service equipment, apply the
“Service Disconnect” label to the part of the cover nearest the
main circuit breaker handle. If the load center is not used as
service equipment, apply the “Main” label to the part of the cover
nearest the main circuit breaker handle.
5. Install the cover using the screws provided.
ENERGIZING THE LOAD CENTER
1. Before energizing the load center, turn off the main and all branch circuit breakers.
2. After power is turned on to the load center, first turn on the main circuit breaker and then turn
on the branch circuit breakers.
Mounting
rail
Wire
terminal
end
11003007
Figure 6: QO Tandem Circuit Breaker
Mounting
rail
Wire
terminal
end
Bus bar
connector
Plug-on
jaw
11003008
Figure 7: Homeline Tandem Circuit Breaker
Bus bar
connector
Plug-on
jaw
COVER
Figure 8: Removing
Twistouts
Spanish
label
M
a
i
n or serv
i
ce
disconnect label
(if required)
Cover
directory
label
11003010
Figure 9: Label Locations
ENGLISH
40271-419-04.fm Page 4 Friday, May 20, 2005 9:53 AM