Specification

QO
®
and Homeline
®
Load Centers and Enclosures
Technical Information
21
03/2007
© 2007 Schneider Electric All Rights Reserved
Single-Phase, Three-Wire, 120/240 Vac; Main Circuit Breaker  Ind oor
Mains
Rating in
Amps
Load Center
Catalog Number
Load Center
Cover Catalog
Number
UL Listed
Service
Equipment
(See Notes)
Maximum
UL Short
Circuit
Rating
1
1
Short circuit current rating depends on lowest AIR rating of main or branch circuit breaker installed.
M a i n W i r e S i z e
AWG/kcmil
Al/Cu
Enclosure
No.
(Page 26)
Top
or Bottom
Mains
Position
UL Listed for
Corner
Grounded
Delta Systems
Convertible Mains – Factory-Installed Main Circuit Breaker
QOM1 Main Frame Size – Convertible to Main Lugs or Lower Amperage Main Circuit Breaker – Copper Bus
100
QO112M100 QOC12UF/S A, B 22,000 A
2
2
22,000 A rms symmetrical maximum when supplied by integral type QOM-VH main circuit breaker from Square D
®
with 22,000 A rms symmetrical minimum
interrupting rating and when all installed QO
®
branch circuit breakers have 10,0000 A rms symmetrical minimum interrupting rating. 65,000 A rms symmetrical
maximum when main lugs kits are installed.
#41 5 Both
No
QO116M100 QOC20U100F/S A, B 22,000 A
2
#41 6 Both
QO120M100 QOC20U100F/S A, B 22,000 A
2
#41 6 Both
QO124M100 QOC24UF/S A, B 22,000 A
2
#41 7 Both
QO132M100 QOC32UF A, B 22,000 A
2
#41 8 Both
125
QO124M125 QOC24UF/S A, B 22,000 A
2
#4 2/0 7 Both
No
QO132M125 QOC32UF A, B 22,000 A
2
#4 2/0 8 Both
Convertible Mains – Factory-Installed Main Circuit Breaker
QOM2 Main Frame Size – Convertible to Main Lugs or Lower Amperage Main Circuit Breaker – Copper Bus
150
QO12030M150 QOC30UF/S A, B 22,000 A
2
#4 250 9 Both
No
QO124M150 QOC30UF/S A, B 22,000 A
2
#4 250 9 Both
QO130M150 QOC30UF/S A, B 22,000 A
2
#4 250 9 Both
QO132M150 QOC40UF/S A, B 22,000 A
2
#4 250 10 Both
200
QO12040M200 QOC30UF/S A, B 22,000 A
2
#4 250 9 Both
No
QO124M200 QOC30UF/S A, B 22,000 A
2
#4 250 9 Both
QO130M200 QOC30UF/S A, B 22,000 A
2
#4 250 9 Both
QO13040M200 QOC30UF/S A, B 22,000 A
2
#4 250 9 Both
QO140M200 QOC40UF/S A, B 22,000 A
2
#4 250 10 Both
QO142M200 QOC42UF/S A, B 22,000 A
2
#4 250 11 Both
225
QO140M225 QOC42UF/S A, B 22,000 A
2
#4 300 11 Both
No
QO142M225 QOC42UF/S A, B 22,000 A
2
#4 300 11 Both
Fixed Mains – Factory-Installed Main Circuit Breaker
300
QON42MS300
MHC68VF/S A 42,000 A
3
3
UL Listed for 5000 A rms symmetrical short circuit current rating when used in 3-phase, 240 Vac, corner grounded Delta systems. Use 240 Vac circuit breakers only.
A UL Listed as suitable for use as service equipment (neutral bonded at the time of installation) with factory-installed service disconnect.
B UL Listed as suitable for use as service equipment (neutral bonded at the time of installation) with field installed main lugs when not more than six disconnecting
means are provided and when not used as a lighting and appliance branch circuit panelboard. See NEC Article for Lighting and Appliance Branch Circuit Panelboard.
(1)#4 500
16 Both Yes
MH68 (Enclosure) (2)#43 /0
400
QON42MS400
MHC68VF/S A 42,000 A
3
(1)#4 600
16 Both Yes
MH68 (Enclosure) (2)#4 250