Specification

QO
®
and Homeline
®
Load Centers and Enclosures
QO Three-Phase Label Samples
29
03/2007
© 2007 Schneider Electric All Rights Reserved
QO THREE-PHASE LABEL SAMPLES
The labels below represent typical labels. Information may not be applicable or may change without notice. See the actual label in
the load center for the latest information.
QO Three-Phase Box Label Sample
QO Three-Phase Wiring Diagram Sample
LISTED
Electric
Cabinet Box
Issue No. V-2813
QO
®
LOAD CENTER
See Panelboard interior for Catalog No.
Box Cat. No. / Caja No. de Catalogo:
BX338C
Use Cover Cat. No. /
Utilice la Cubierta No. de Catalogo:
QOC42US or/or QOC42UF
Mains 225A / Lina principal de
225A maximo.
See main or service disconnect
rating if installed.
240 V ~ Max. 3Ø, 50 / 60 Hz.
42 circuit max. / 42 circuitos maximo.
Type 1 Enclosure
Gabinete Tipo 1
240V, 3PH, 3W: For this system neutral is not
used and only breakers rated 240V are to be used.
240V, 3PH, 4W: When wired for delta system,
phase “B” must be 208V to neutral. Breaker
poles connected to phase “B” must be rated 240V.
1PH: Single pole breakers can not be connected
to phase B.
Panel
Rating
Remote
Main
Integral
Main
Branch (min.)/
Cat. prefix
*65,000 ---- Lugs 65,000 / QH
*42,000 ---- Lugs 42,000 / QOH
*22,000 ---- Lugs 22,000 / OQ.VH
*10,000 ---- Lugs 10,000 / OO&Q1,QO...H
**5,000 ---- Lugs 5,000 / QO...H(2 POLE)
100,000 100-200A,300V T FuseLugs 10,000 / QO
22,000 KD, QO...VH Lugs 10,000 / QO
22,000 Q2...H Lugs 10,000 / QO (10A-60A)
65,000 KG Lugs 10,000 / QO
65,000 ---- KG 10,000 QO&Q1
22,000 ---- KD 10,000 QO&Q1
22,000 ---- QO...VH 10,000 / QO
** 240 v ~ 3Ph. 3W. Grounded “B” phase requires 240 V ~ branch
breakers.
* The rating is equal to the lowest interrupting rating of any circuit breaker
installed. Refer to branch breaker for individual ratings. Additional or
replacement branch circuit breakers, main breaker, or service disconnect
MUST have an interr
upting rating equal to or greater than that of the
circuit breaker with the lowest interrupting rating presently installed.
See panelboard interior for breaker types.
LUG TORQUE DATA
See circuit breakers and field installed
units for wire binding screw torque
Branch Neutral and Equipment Ground Bar
Equipment Ground Combinations
Wire Range (AWG/kcmil) Torque (in/lbs.)
Line Neutral
Lug
4 - 300 CU/AL 250
Main Lug4 - 300 CU/AL 250
Alternate
Main Breaker
See Main
Breaker
See Main
Breaker
Wire Range (AWG)
To r que (in./lbs.) Bar with 1
Bar with 2 screw sizesscrew size
1/0 - 3 CU / AL Large 50 Small  
4 CU / AL Large 45 Small  35
6 CU / AL Large 45 Small 25 35
8 CU / AL Large 40 Sm
all 10 25
10-14 CU, 10-12 AL Large 35 Small 10 20
Two 14 or 12 CU, Two 12 AL 3510 25
Tw o 1 0 A L 35 25
SHORT CIRCUIT RATING
RMS Symmetrical Amperes at 120 / 240 V ~ Maximum
Underwriter’s
Laboratories, Inc.®
Number of circuits maximum.
Enclosure catalog number.
Catalog number of covers; flush
or surface.
See panelboard interior for the
catalog number.
Volta ge ratings.
Amperage rating.
Wire range for lug torque data table.
Short circuit ratings.
Short circuit ratings a
nd additional of
replacement circuit breakers.
UL Listing.
001021 40265-381-0315
®
For installation, repairs or alterations,
Call an electrical contractor or electrician.
Install loose label with Spanish translation
on back of cover.
Adhiera la etiqueta sauelat con la traduccion
en Espanol en la parte posterior de la cubierta.
Please read information before installing.
Por favor lea la informacion antes de instalor.
~
/
N
N
2
Load /
Cargas
Load /
Cargas
N
N
1
3
4
Line / Linea
O
O O
O O O
6.
Line /
Linea
5. Line /
Linea
O
O
O
Made in U.S.A. 40265-545-01
15
Suitable for use with 75
o
C
Copper or Aluminum
main conductors. See
branch breakers for
branch wire ratings.
* Suitable for use as service equipment when
service disconnect (main breaker) is installed.
* Suitable for use as service equipment when
not more than six main disconnecting means
are provided and when not used as a lighting
and appliance branch circuit panelboard.
See Article 384-14 of the NEC.
* When used as service equipment, all unused
neutral terminals may be used for terminating
equipment ground wires.
1. Box bonding when required. /
Conexion a la caja cuando fuese
necesario.
2. Service ground when required. /
Tierra de acometida cuando fuese
necesario
3.Main lugs kit no: QOL3225. / No.
de accesorio de las zapatas principales:
QOL3225.
4. Lug kit when installed. / Accesorio
de la zapata, cuando se insta
la.
5. Back fed main circuit breaker
when installed. / Interruptor
automatico principal de alimentacion
posterior, cuando se instala.
6. Integral main circuit breaker when
installed. / Interruptor automatico
integral principal, cuando se instala.
One single pole. One plug
on space. One two pole
requires two plug on
spa
ces. One three pole
requires three plug on spaces.
To r que Note: When ma in
breaker or main lug
connector mounting nuts
are loosened or removed,
retighten to 75 lbs./in.
torque.
Equipment Grounding
Terminals
* May plug on two adjacent spaces.
+ May plug on three adjacent spaces.
To r que Note: When interior or main breaker
mounting screws are loosened or removed,
retighten to 3
5 lbs./in.
Load Center Accessories - Kits
PK3MB Back-fed Main Cir. Brkr. Retaining
SDSA3650 3 Phase Surge Arrestor
QO60SL1 Phase Plug-on Subfeed Lugs *
QO2125SL1 Phase Plug-on Subfeed Lugs *
QO3125SL 3 Phase Plug-on Subfeed Lugs +
PK9-27GTA(L) Equipment Ground Bar
PKGTAB Equipment Ground Bar Insulator
LK100AN 125A Max. Neutra
l Lug
LK150AN 150A Max. Neutral Lug
QOL3225 Main Lugs
PK6FL Indoor Cover Lock
~
/
Service Equipment marking.
Use of unused neutral branch
terminal for equipment grounding,
service equipment application only.
Alternate wiring diagram for main circuit breaker or
main lug.
Installation of back-fed main circuit breaker and
required kit.
Load center accessories.
Neutral lug for 1/0 AWG or larger wire.
Type of circuit breakers
from Square D that
may be used in this
panelboard.
/
~