Manual
Mammoth V-Cube Slim IOM, MAMM-VCS-IOM-4FA (October 2013) 17
Table 5: Square D Molded Case Circuit Breakers – Mechanical lug kit wire ranges and torques
Lug Kit
Lugs
Per Kit
Circuit
Breaker
Wires Per Lug and Wire Ranges
Lug Mounting
Screw Torque
Wire Binding Screw Torque
Wires Domestic Metric Lb-in. N•m Wire* Lb-in. N•m
AL50FA 3 FA, FH, FI 1 #14–#4 Cu or
#12–#4 Al
2.5–25 mm
2
4–25 mm
2
40 4.5 Cu #14–#4 STR/
SOL
Al #12–#4 STR
Al #12–#10 SOL
35
35
15
4.0
4.0
1.7
AL100FA4 3 FC 1 #14–#3 Cu or
#12–#1 Al
65 7.3 Cu #14–#3 STR
Cu #14–#8 SOL
Al #8–#1 STR
Al #12–#10 SOL
65
65
65
65
7.3
7.3
7.3
7.3
AL100FA 3 FA, FH, FI 1 #14–1/0 Cu or
#12–1/0 Al
2.5–50 mm
2
4–50 mm
2
40 4.5 Cu #14–1/0 STR
Al #12–1/0 STR
Al #12–#10 SOL
80
80
40
9.0
9.0
4.5
AL100TF 3 FA, FH 1 #12–#3 Cu 50 5.7 Cu #12–#3 STR
Cu #12–#10 SOL
50
50
5.6
5.6
AL250KA 3 KA, KH, KC, KI 1 #6–#350 kcmil 25–185 mm
2
80 9.0 250 28.2
AL250KI 3 KC, KI 1 1/0–#350 kcmil 50–185 mm
2
80 9.0 250 28.2
AL400LA 1 Q4, LA, LH 1
2
#0–#600 kcmil or
#1–#250 kcmil»
50–300 mm
2
50–120 mm
2
180 20.0 300 33.9
AL800MA7 1 MA, MH 2 #500–#750 kcmil 240–300
mm
2
180 20.0 300 33.9
AL900MA 1 MA, MH 3 3/0–#500 kcmil 95–240 mm
2
180 20.0 300 33.9
AL1000MA 1 MA, MH 4 1/0–#350 kcmil 50–185 mm
2
180 20.0 300 33.9
AL1200NE6 1 NA, NC 4 3/0–#600 kcmil 95–300 mm
2
250 28.2 330 37.3
AL2500PA 2 PAF, PHF, PCF 1 3/0–#750 kcmil 95–300 mm
2
840 550
CU30FA4 3 FC 1 #14–#10 Cu N/A N/A #14–#10 STR/SOL 35 4.0
CU100FA 3 FA, FH, FI 1 #14–#1 Cu 2.5–50 mm
2
50 5.7 Cu #3–#1 STR
Cu #6–#4 STR
Cu #8 STR/SOL
Cu #14–#10 STR/
SOL
50
45
40
35
5.7
5.1
4.5
4.0
CU100TF 3 FA, FH 1 #12–#3 Cu 50 5.7 Cu #12–#3 STR
Cu #12–#10 SOL
50
50
5.7
5.7
CU250KA 3 KA, KH, KC, KI 1 #6–#250 MCM Cu 16–20 mm
2
80 9.0 250 22.6
CU400LA 1 Q4, LA, LH 2 #1–#600 MCM Cu
#1–#250 MCM Cu
50–300 mm
2
50–120 mm
2
180 20.0 300 33.9
CU1000MA 1 MA, MH 3 3/0–#500 MCM Cu 95–240 mm
2
300 33.9 300 33.9
CU1200NE6 1 NA, NC 4 3/0–#600 MCM Cu 95–300 mm
2
250 28.2 330 37.3
* STR = Stranded, SOL = Solid
Table 6: UL 486A tightening torques for electrical terminals, pound-inch (N-m)