Square D I-Line User Manual

© 2013–2017 Schneider Electric All Rights Reserved
80043-808-02 Rev. 02 I-Line™ Combo Switchboards
03/2017 Specifications—I-Line Section Ratings
31
ENGLISH
Table 5: NQ Panel Mission Critical Breaker Selectivity
Maximum SCCR
(RMS Symmetrical)
Integral or Remote
Main
Circuit Breakers
Branch Circuit Breakers
Type
1
1-pole 2-pole 3-pole
Fully Rated and Selective to
10 kA
at 208Y/120 Vac or
at 240/120 Vac
J-W, 250 A
L-W, 250 A
QO(B)
10–70 10–125 10–125
QO(B)-H
QO(B)-VH
QH
Series Rated and Selective
to 12 kA
at 208Y/120 Vac or
at 240/120 Vac
J-W, 250 A
QO(B)
10–70 10–125 10–60
QO(B)-H
QO(B)-VH
QH
Series Rated and Selective
to 15 kA
at 208Y/120 Vac or
at 240/120 Vac
J-W, 250 A
QO(B)
10–60 10–60 10–30
QO(B)-H
QO(B)-VH
QH
Series Rated and Selective
to 18 kA
at 208Y/120 Vac or
at 240/120 Vac
J-W, 250 A
QO(B)
10–30 10–30 —
QO(B)-H
QO(B)-VH
QH
L-W, 250 A
QO(B)
10–60 10–60 10–60
QO(B)-H
QO(B)-VH
QH
Series Rated and Selective
to 30 kA
at 208Y/120 Vac or
at 240/120 Vac
L-W, 400 A
L-W, 600 A
QO(B)
15–70 15–150 15–150
QO(B)-H
QO(B)-VH
QH
1
Including AFI, CAFI, EPD and GFI Circuit Breakers
80043-808-01.book Page 31 Wednesday, March 22, 2017 12:31 PM

Square D I-Line Specifications

General

Bus Material	Aluminum or Copper
Voltage Rating	600V AC
Current Rating	Up to 1200A
Enclosure	NEMA 1
Poles	2, 3
Interrupting Rating	200 kA (depending on the specific model and installed breakers)