Supplemental 3: Molded Case Circuit Breakers and Enclosures PDF

Supplemental 3: Molded Case Circuit Breakers and Enclosures PDF

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Mechanical Lug Information

Mechanical Lug Kits

AL250KA

AL400LA

AL400LH7

AL600LI5

Mechanical Lug Kit Information

Circuit Breaker Application

(Number of Wires Per Lug)
Wire Range [1]

Cat. No.

Lugs
Per
Kit

Standard

Ampere
Rating

Optional

Ampere
Rating

Al Lugs for Use with Al or Cu Wire

Q4, LA, LH

125–400 A

—

—

(1) 1 AWG–600 kcmil or
(2) 1 AWG–250 kcmil

AL400LA

1

—

—

Q4, LA, LH

125–400 A

(1) 350–750 kcmil

AL400LH7

1

Cu Lugs for Use with Cu Wire Only [2]

—

—

Q4, LA, LH

125–400 A

(1) 1 AWG–600 kcmil Cu or
(2) 1 AWG–250 kcmil Cu

CU400LA

1

Footnotes

  1. Unless otherwise specified, wire sizes apply to both aluminum and copper conductors.
  2. Use suffix 8002 for factory-installed Cu lugs.
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