Specification

and Homeline

Load Centers and Enclosures

General Information and Application Data

03/2007

Three-Phase, 3–42 Circuits, 60–225 A, Convertible or Fixed Mains

UL Listed

 File E-6294

 Suitable for use as service equipment

 75 °C wire rating (see Technical Information on page 19)

Short Circuit Current Rating

 Main lugs: up to 65,000 AIR (depends on lowest interrupting rating of

branch circuit breakers installed)

 Main circuit breaker up to 225 A: 22,000 AIR standard; optional up to

65,000 AIR for 100 A to 225 A main circuit breakers

Mains

 Factory-installed main lugs or main circuit breaker

 Main neutral terminal located next to the phase terminals on 1252 25 A

main circuit breaker devices

 Top or bottom feed (see Technical Information on page 24)

 Fully convertible from main circuit breaker to main lugs (100 225 A)

 100 A maximum back-fed main QO

circuit breaker; requires the use of

retaining kit PK3MB

Cover

 Flush- and surface-mount covers sold separately

 Flush covers have spring-loaded interior trim for automatic flush

adjustment

 Positive action, easy-to-open door latch

Interior

 Shielded one-piece plated copper bus on 1002 25 A

 Removable interior with single, captive mounting screw on 10022 5 A

(indoor only)

 Main lugs load centers have equipment grounding bar kits included

(not factory-installed)

Branch Neutral Termination

 Suitable for copper or aluminum wire

 Terminals suitable for one #14#4 AWG coppe r or one #12 #4 AWG

aluminum wire

 Positioned on both sides of the mains compartment

 Slot/square drive wire binding screws

 Three (3) #141 /0 AWG copper or #14# 6 AWG aluminum terminations

standard on 124 2 circuits, 10022 5 A load centers

QO330L200G

QO330MQ150