Terminal Data for I-Line and QMB / QMJ Panelboards

Refer to Catalog 2110CT9701, 4620CT9601

Terminal Data

Standard Mechanical Lugs—Main Lugs

Panel
Type

Ampere
Rating

Lug Wire Range [1]

Wire Range

Wire Bending Space per NEC Table 312-6 [1]

I-Line

100 A

225 A

one #6–300 kcmil Al or Cu

one #6–300 kcmil Al or Cu

400 A

two #2–600 kcmil Al or Cu

one #2–600 kcmil Al or Cu

two #2–500 kcmil Al or Cu

600 A

two #2–600 kcmil Al or Cu

two #2–500 kcmil Al or Cu

800 A

(4) 3/0–750 kcmil Al or Cu

(3) 3/0–500 kcmil Al or Cu

1200 A

(4) 3/0–750 kcmil Al or Cu

(4) 3/0–500 kcmil Al or Cu

Standard Mechanical Lugs—Main Circuit Breaker

Panel
Type

Ampere
Rating

Circuit Breaker
Type

Lug Wire Range [1]

Wire Range

Wire Bending Space per NEC Table 312-6 [1]

I-Line

125 A

BD, BG, BJ

one #14-#2/0 AWG Al or Cu

one #14-#2/0 AWG Al or Cu

150 A

HD, HG, HJ, HL

one #14-3/0 Al or Cu

one #14-3/0 Al or Cu

250 A

JD, JG, JJ, JL

one #1/0-#4/0 Al or Cu

one #1/0-300 kcmil Al or Cu

400 A

LA, LH

one #1-600 or two #1-250 kcmil Al or Cu

one #1-600 kcmil Al or Cu

800 A

MG, MJ, PG, PJ, PL

three 3/0-500 kcmil Al or Cu

three 3/0-500 kcmil Al or Cu

1200 A

PG, PJ, PL, RGC, RJC, RLC

four 3/0-500 kcmil Al or Cu

four 3/0-500 kcmil Al or Cu

Standard Mechanical Lugs—Main Lugs

Panel
Type

Mains
Ampere
Rating

Lug Wire Range [1]

Wire Range

Wire Bending Space per NEC Table 312-6 [1]

QMB

225 A

one #6–300 kcmil Al or Cu

one #6–300 kcmil Al or Cu

400 A

one 3/0-500 kcmil Al or CU and,
one 3/0–750 kcmil Al or Cu

one 3/0-500 kcmil Al or CU and,
one 3/0–750 kcmil Al or Cu

600 A

two 3/0–500 kcmil Al or Cu

two 3/0–500 kcmil Al or Cu

800 A

(4) 3/0–750 kcmil Al or Cu

(3) 3/0–500 kcmil Al or Cu or
two 3/0–750 kcmil Al or Cu

1200 A

(4) 3/0–750 kcmil Al or Cu

(4) 3/0–500 kcmil Al or Cu or
(4) 3/0–750 kcmil Al or Cu

1600 A

VCEL compression lugs Standard.

Standard Mechanical Lugs—Main Switch

Panel
Type

Mains
Ampere
Rating

Lug Wire Range [1]

Wire Range

Wire Bending Space per NEC Table 312-6 [1]

QMB

200 A

#4–300 kcmil Al or Cu

one #4–300 kcmil Al or Cu

400 A

3/0–600 kcmil Al or Cu

3/0–600 kcmil Al or Cu

600 A

3/0–600 kcmil Al or Cu

two 3/0–600 kcmil Al or Cu

800 A

3/0–600 kcmil Al or Cu

(3) 3/0–500 kcmil Al or Cu

Standard Mechanical Lugs—QMB Branch Switch Units

Panel
Type

Switch
Ampere
Rating

Lug Wire Range [1]

Wire Range

Wire Bending Space per NEC Table 312-6 [1]

QMB

30 A

one #14–#2 Al or Cu

one #14–#2 Al or Cu

60 A

one #14–#2 Al or Cu

one #14–#2 Al or Cu

100 A

one #14–1/0 Al or Cu

one #14–1/0 Al or Cu

200 A

one #4–300 kcmil Al or Cu

one #4–300 kcmil Al or Cu

400 A

two 3/0–600 kcmil Al or Cu

two 3/0–500 kcmil Al or Cu

600 A

two 3/0–600 kcmil Al or Cu

two 3/0–500 kcmil Al or Cu

800 A

(3) 3/0–600 kcmil Al or Cu

(3) 3/0–500 kcmil Al or Cu

Standard Mechanical Lugs—QMJ Branch Switch Units [2]

Panel
Type

Switch
Ampere
Rating

Lug Wire Range [1]

Wire Range

Wire Bending Space per NEC Table 312-6 [1]

QMJ

30 A

one #14–#2 Al or Cu

one #14–#2 Al or Cu

60 A

one #14–#2 Al or Cu

one #14–#2 Al or Cu

100 A

one #14–1/0 Al or Cu

one #14–1/0 Al or Cu

200 A

one #6–300 kcmil Al or Cu

one #6–300 kcmil Al or Cu

400 A

one 1/0–750 kcmil Al or Cu

one 1/0–750 kcmil Al or Cu

600 A

two 3/0–600 kcmil Al or Cu

two 3/0–600 kcmil Al or Cu

Footnotes

  1. (#) = Number of conductors per phase.
  2. Use only 90 oC insulated conductors based on an ampacity of 75 oC conductors.

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