Square D Digest 179

I-Line Series Connected Circuit Breaker Ratings

I-Line Series Ratings for I-Line Panelboards

Refer to Catalog 2110CT9701

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I-Line Series Connected Circuit Breaker Ratings

Table 9.145: I-Line Series Connected Circuit Breaker Ratings (RMS Symmetrical) Maximum System Voltage AC [1] Maximum Short Circuit Current Rating Square D Brand Integral or Remote 2- or 3-Pole Main Circuit Breaker [2]

Square D Brand Branch Circuit Breaker

Catalog Designation

Poles

42,000 65,000

MG

FY

QG, LH

FA, FD

BD6 (60 A Max.)

QG, BG6, HG, JG, LG, MG, PG

FJ,QJ QJ, LC

FD FA FH

100,000

120

1

LJ

BD6, BG6 (60 A Max.) BD6, BG6, BJ (60 A Max.)

QJ, BJ, HJ, JJ, LJ, MJ, PJ

125,000

HL, JL, LL

FH, FY

LR

200,000

BD6, BG6, BJ (60 A Max.)

HR, JR

65,000

QG, BG6, HG, JG, LG, MG, PG

BD6

FA, FD

QJ

2, 3

208Y/120

100,000

QJ, BJ, HJ, JJ, LJ, MJ, PJ

BD6, BG6

QJ, PH, PJ, RJ

QD,QG

35,000 42,000

MG KA MG MG

FA FD

1

9 PANELBOARDS

1, 2, 3

LA,MA

HD, JD,QD

2, 3

FA

50,000

FA (25 A Max.)

1

HG, JG

FA,HD JD,QD

JG QG

2, 3

FA, FD,QD

QG, BG6, HG, JG, LG, MG, PG

BD6

LH, MH, PA, PG, RG FG, FH, MH, MX, PJ FC, KC, KH, LC, LH

HD, JD,QD

FD

65,000

1, 2, 3

FD, FG

LH LH

FA LA

HD, JD, KA

MG DG LG LG RL

2, 3

FH, HD, JD, KA, LA, MA HD, JD, KA, LA, MA

LD

3

85,000

FH, KH

2, 3

FC, KC, LC, LX

FD, FG, FJ

1

PH, PJ, RJ

QD,QG

2, 3

QJ FJ

FD FD

2

2, 3

HD, HG, JD, JG, FH, KA, LA, MA, MG

LJ LJ

LD, LG

3

FC, KC LC, LX

FA, FH, FD, FG, FJ

FH, FD, FG, FJ

240

QJ, BJ, HJ, JJ, LJ, MJ, PJ

BD6, BG6

2, 3

KC, LC, LX

KA KH

100,000

KC, LC

LA, LH,MG

LC LC

1, 2, 3

FA

HJ, JJ

FA, FH, HD, HG

JD, JG

JJ

LC, LX, MJ, PJ, RJ

HD, HG, JD, JG

LA, LH

MJ DJ RL

FH, HD, HG, JD, JG, KA, LA, MA, MG

RG

2, 3

HL, JL

HD, HG, HJ, FA, FH

JD, JG, JJ

JL

HL, JL, LL

BD6, BG6, BJ HD, HG, JD, JG

PC, PH, PL, RL PC, PL, RL FI, KI, LI, LXI

125,000

HJ, JJ

HD, HG, HJ JD, JG, JJ FD, FG, FJ

KI, LI, LXI

FI, KI, LI, LXI

1

FI, KI LI, LXI

FA, FH, FC, FD, FG, FJ

FH, FD, FG, FJ

LI

FC

HR, JR, LR KI, LI, LXI

BD6, BG6, BJ KA, QD, QG, QJ

200,000

2, 3

LI

KC QD

JR LR LD

HJ, HL, JJ, JL, FH, LA, LH, QD, QG, QJ

18,000 25,000

FY FD FD

FH, KA

FG, KH, LH

277

1

35,000

DG, LG FC, KC

FH, FY

FH

[1] For indicated circuit breakers rated less than this maximum voltage. The indicated short circuit current rating also applies, but at the voltage rating of the circuit breaker. [2] LG, LJ, and LL are only available in 3-pole configurations.

9-61

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