3M™ Scotchlok™
Copper/ Aluminum
Compression
Lugs, 40000 Series
Data Sheet
Description
October 2015
3M Scotchlok Copper/Aluminum Compression Lugs 40000 Series are made of high
conductivity aluminum and are designed to cover a wide range of conductor sizes
from 6 AWG through 1000 kcmil (MCM). The lugs consist of a series of one-hole
lugs ranging from 6 AWG through 1000 kcmil (MCM) and two-hole lugs, for
increased secureness requirements, ranging from 1/0 AWG through 1000 kcmil
(MCM). They are designed to terminate either aluminum or copper conductors.
Each lug is electro-tin plated to resist electrolytic corrosion. They are installed using
standard industry tooling. Chamfered ends ensure simplicity and ease of conductor
insertion.
UL Listed, UL Standard 486A-486B, File No. E23438
Agency Approvals
Features
Simple installation using readily available tools
Manufactured using high conductivity aluminum
Color coded end caps for easy lug identification
Antioxidant material (compatible with all solid insulations) inside lug barrel to
facilitate clean conductor to lug contact
Applications
Termination of aluminum or copper conductor sizes as follows;
One-Hole Lugs: 6 AWG - 1000 kcmil (MCM)
Two-Hole Lugs: 1/0 AWG - 1000 kcmil (MCM)
For low and medium voltage up to 35 kV
For indoor and outdoor use
1 of 6
3
3M™ Scotchlok™ Copper/Aluminum Compression Lugs, 40000 Series
One-Hole Lug Dimensions and Selection Guide [Dimensions in Inches and (Millimeters)]
C,
Center of
W,
Hole-to-
Pad Width,
End of
+/- .060”
Pad, +/-
.031”
.562 (14,3) .437 (11,1)
.625 (15,9) .437 (11,1)
.750 (19,1) .437 (11,1)
.750 (19,1) .437 (11,1)
.750 (19,1) .437 (11,1)
.750 (19,1) .437 (11,1)
.875 (22,5) .625 (15,9)
.875 (22,5) .625 (15,9)
.953 (24,2) .625 (15,9)
1.065 (27,1) .625 (15,9)
1.187 (30,2) .625 (15,9)
1.187 (30,2) .625 (15,9)
1.237 (31,4) .625 (15,9)
1.237 (31,4) .625 (15,9)
1.360 (34,5) .625 (15,9)
1.490 (37,8) .625 (15,9)
1.490 (37,8) .625 (15,9)
1.734 (44,0) .625 (15,9)
1.719 (43,7) .875 (22,2)
2.422 (61,5) .875 (22,2)
3M™
Scotchlok™
Lug
Number
40016
40020
40024
40025
40028
40029
40032
40033
40037
40041
40045
40046
40049
40050
40053
40056
40057
40067
40073
40079
Conductor
Size
AWG or
kcmil
(MCM)
6 AWG
4 AWG
2 AWG
2 AWG
1 AWG
1 AWG
1/0 AWG
1/0 AWG
2/0 AWG
3/0 AWG
4/0 AWG
4/0 AWG
250 kcmil
250 kcmil
300 kcmil
350 kcmil
350 kcmil
500 kcmil
750 kcmil
1000 kcmil
Stud
Size
Color
Code
I.D.,
+/-
.010”
.200
(5,1)
.265
(6,7)
.307
(7,8)
.307
(7,8)
.350
(8,9)
.350
(8,9)
.414
(10,5)
.414
(10,5)
.439
(11,2)
.484
(12,3)
.547
(13,9)
.547
(13,9)
.594
(15,1)
.594
(15,1)
.650
(16,5)
.720
(18,3)
.720
(18,3)
.843
(21,4)
1.031
(26,2)
1.193
(30,3)
O.D.,
+/-
.010”
.344
(8,8)
.468
(11,9)
.531
(13,5)
.531
(13,5)
.531
(13,5)
.531
(13,5)
.635
(16,1)
.635
(16,1)
.687
(17,5)
.760
(19,3)
.875
(22,2)
.875
(22,2)
.906
(23,0)
.906
(23,0)
1.010
(25,7)
1.105
(28,1)
1.105
(28,1)
1.320
(33,5)
1.500
(38,1)
1.843
(46,8)
L,
Length,
+/- .125”
2.281
(57,9)
2.250
(57,2)
2.625
(66,7)
2.625
(66,7)
2.625
(66,7)
2.625
(66,7)
3.125
(79,4)
3.125
(79,4)
3.187
(80,9)
3.437
(87,3)
3.562
(90,5)
3.562
(90,5)
3.625
(92,1)
3.625
(92,1)
4.000
(101,6)
4.250
(108,0)
4.313
(109,5)
5.437
(138,1)
6.375
(161,9)
7.937
(201,6)
B, Barrel
Length, Min.
P,
Pad
Length,
Min.
.875
(22,2)
.969
(24,6)
1.031
(26,2)
1.125
(28,6)
1.031
(26,2)
1.125
(28,6)
1.312
(33,3)
1.312
(33,3)
1.250
(31,8)
1.281
(32,5)
1.344
(34,1)
1.344
(34,1)
1.313
(33,4)
1.313
(33,4)
1.313
(33,4)
1.313
(33,4)
1.313
(33,4)
1.500
(38,1)
1.875
(47,6)
1.875
(47,6)
5/16
5/16
3/8
1/2
3/8
1/2
3/8
1/2
1/2
1/2
1/2
5/8
1/2
5/8
1/2
1/2
5/8
5/8
5/8
5/8
Gray
Green
Pink
Pink
Gold
Gold
Tan
Tan
Olive
Ruby
White
White
Red
Red
Dark
Blue
Brown
Brown
Pink
Yellow
Brown
.750 (19,1)
.938 (23,8)
.922 (23,4)
.922 (23,4)
.922 (23,4)
.922 (23,4)
1.187 (30,1)
1.187 (30,1)
1.303 (33,1)
1.500 (38,1)
1.438 (36,5)
1.438 (36,5)
1.563 (39,7)
1.590 (40,4)
2.198 (55,6)
2.198 (55,6)
2.198 (55,6)
2.938 (74,6)
3.313 (84,2)
4.625 (117,5)
2 of 6
3M™ Scotchlok™ Copper/Aluminum Compression Lugs, 40000 Series
Two-Hole Lug Dimensions and Selection Guide [Dimensions in Inches and (Millimeters)]
C,
Center
of
Hole-
to-End
of Pad
+/
.625
(15,9)
.625
(15,9)
.625
(15,9)
.625
(15,9)
.625
(15,9)
.625
(15,9)
.625
(15,9)
.625
(15,9)
.625
(15,9)
.625
(15,9)
.625
(15,9)
.625
(15,9)
C1,
Hole-to-
Hole,
Center-to-
Center, +/-
.015”
1.75 (44,5)
1.75 (44,5)
1.75 (44,5)
1.75 (44,5)
1.75 (44,5)
1.75 (44,5)
1.75 (44,5)
1.75 (44,5)
1.75 (44,5)
1.75 (44,5)
1.75 (44,5)
1.75 (44,5)
Conductor
3M™
Size
Scotchlok™
AWG or
Lug
kcmil
Number
(MCM)
40132
40137
40141
40145
40149
40153
40156
40160
40166
40170
40172
40178
1/0 AWG
2/0 AWG
3/0 AWG
4/0 AWG
250 kcmil
300 kcmil
350 kcmil
400 kcmil
500 kcmil
600 kcmil
750 kcmil
1000 kcmil
Stud
Size
Color
Code
I.D.,
+/-
.010”
.414
(10,5)
.439
(11,2)
.484
(12,3)
.547
(13,9)
.594
(15,1)
.650
(16,5)
.720
(18,3)
.762
(19,4)
.843
(21,4)
.923
(23,4)
1.031
(26,2)
1.193
(30,3)
O.D.,
+/-
.010”
.640
(16,3)
.687
(17,5)
.760
(19,3)
.875
(22,2)
.906
(23,0)
1.010
(25,7)
1.105
(28,1)
1.187
(30,2)
1.320
(33,5)
1.438
(36,3)
1.500
(38,1)
1.843
(46,8)
L,
Length,
+/-
.125”
5.281
(134,1)
5.500
(139,7)
5.500
(139,7)
6.000
(152,4)
6.000
(152,4)
6.562
(166,7)
6.562
(166,7)
6.875
(174,6)
7.312
(185,7)
7.750
(190,5)
8.250
(209,6)
9.687
(246,0)
B,
Barrel
Length,
Min.
1.50
(38,1)
1.50
(38,1)
1.50
(38,1)
1.938
(49,2)
1.938
(49,2)
2.25
(57,2)
2.25
(57,2)
2.50
(63,5)
3.00
(76,2)
3.00
(76,2)
3.38
(85,9)
4.625
(117,5)
P,
Pad
Length,
±.060”
3.250
(82,6)
3.250
(82,6)
3.250
(82,6)
3.375
(85,7)
3.375
(85,7)
3.563
(90,5)
3.563
(90,5)
3.563
(90,5)
3.563
(90,5)
3.625
(92,1)
3.625
(92,1)
3.625
(92,1)
W,
Pad
Width,
+/-
.060”
.875
(22,2)
.938
(23,8)
1.063
(27,0)
1.188
(30,2)
1.250
(31,8)
1.375
(35,0)
1.500
(38,1)
1.625
(41,3)
1.750
(44,5)
1.750
(44,5)
1.750
(44,5)
2.438
(62,0)
3/8
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
Tan
Olive
Ruby
White
Red
Dark
Blue
Brown
Green
Pink
Black
Yello
w
Brown
Typical Properties
Not for specifications. Values are typical, not to be considered minimum or maximum.
Properties measured at room temperature 73°F (23°C) unless otherwise stated.
3M Scotchlok Copper/Aluminum Compression Lugs, 40000 Series, when crimped with
approved die sets, can be used on cables with an operating temperature of 194
°
F
(90
°
C) and an emergency overload rating of 266
°
F (130
°
C). The lugs pass the
requirements of UL486B (Underwriters Laboratories standard for safety). The current
rating of these lugs meets or exceeds the current rating of the conductor size for which
it is intended.
Tool/Installation
Information
Lugs shall be crimped with one of the approved die sets according to the
engineering information supplied with the lugs. (Also see Crimping Tool-Die Sets
table below). If different crimping tools and die sets are used, consult the tool
and die manufacturer.
3 of 6
3M™ Scotchlok™ Copper/Aluminum Compression Lugs, 40000 Series
Crimping Tool Recommendations
One-Hole Lug Crimping Tool – Die Sets (Minimum # of Crimps)
3M™
Scotchlok™
Lug
Number
40016
40020
40024
40025
40028
40029
40032
40033
40037
40041
40045
40046
40049
40050
40053
40056
40057
40067
Conductor
Size
AWG or
kcmil
(MCM)
6 AWG
4 AWG
2 AWG
2 AWG
1 AWG
1 AWG
1/0 AWG
1/0 AWG
2/0 AWG
3/0 AWG
4/0 AWG
4/0 AWG
250 kcmil
250 kcmil
300 kcmil
350 kcmil
350 kcmil
500 kcmil
Burndy Corporation
Die
Index
161
346
162
375
163
348
163
348
163
348
163
348
BG
243
BG
243
297
167
467
296
296
249
249
251
470
299
655
299
655
300
317
608
786
936
292
302
319
352
MD6
Y35
Y39
Y45
Y46
U161 (1)
U6CABT (1)
Thomas & Betts
TBM5
Grey (1)
TBM 8
Grey (1)
Kearney
TBM15 WH2,052
29 (1)
37 (1)
45 (2)
45 (2)
45 (1)
45 (1)
52 (1)
52 (1)
58 (2)
66 (1)
71H (3)
71H (3)
76 (1)
76 (1)
87H (2)
96 (2)
96 (2)
5/16 (1)
-------
1/2 (2)
1/2 (2)
1/2 (2)
1/2 (2)
5/8 (3)
5/8 (3)
5/8-1 (3)
-------
640 (3)
640 (3)
640 (3)
640 (3)
1 (3)
1 1/8-1 (2)
1 1/8-1 (2)
W161 (1) U161 (1)
-------
U161 (1)
------- U6CABT (1) U6CABT (1) U6CABT (1)
W162 (2) U162 (1)
-------
U162 (1)
------- U4CABT (1) U4CABT (1) U4CABT (1)
W163 (3) U163 (1)
-------
U163 (1)
------- U2CABT (1) U2CABT (1) U2CABT (1)
W163 (3) U163 (1)
-------
U163 (1)
------- U2CABT (1) U2CABT (1) U2CABT (1)
W163 (3) U163 (1)
-------
U163 (1)
------- U2CABT (1) U2CABT (1) U2CABT (1)
W163 (3) U163 (1)
-------
U163 (1)
------- U2CABT (1) U2CABT (1) U2CABT (1)
W-BG (2)
W243 (2)
W-BG (2)
W243 (2)
-------
-------
-------
-------
-------
W249 (2)
W249 (2)
-------
-------
-------
-------
-------
-------
-------
-------
-------
-------
-------
-------
-------
-------
-------
U-BG (2)
U243 (1)
U-BG (2)
U243 (1)
-------
-------
-------
-------
U-BG (2)
U243 (1)
U-BG (2)
U243 (1)
U26ART (2)
U167 (2)
U27ART (3)
U28ART (2)
U28ART (2)
U249 (1)
U249 (1)
U251 (2)
U30ART (2)
U31ART (2)
U655 (2)
U31ART (2)
U655 (2)
U34ART (4)
U317 (3)
U162 (1)
Green (2) Green (2)
U4CABT (1)
U163 (1)
U2CABT (1)
U163 (1)
U2CABT (1)
U163 (1)
U2CABT (1)
U163 (1)
U2CABT (1)
U-BG (2)
U243 (1)
U-BG (2)
U243 (1)
U26ART (2)
U167 (2)
U27ART (3)
U28ART (2)
U28ART (2)
U249 (1)
U249 (1)
U251 (2)
U30ART (2)
U31ART (2)
U655 (2)
U31ART (2)
U655 (2)
U34ART (4)
U317 (3)
Gold (2)
Gold (2)
Gold (2)
Gold (2)
Tan (3)
Tan (3)
Olive (3)
Ruby (3)
-------
-------
-------
-------
--------
-------
-------
-------
Gold (2)
Gold (2)
Gold (2)
Gold (2)
Tan (3)
Tan (3)
Olive (3)
Ruby (3)
White (3)
White (3)
Red (2)
Red (2)
Blue (3)
Brown (4)
Brown (4)
-------
U26ART (2) U26ART (2)
U167 (2)
-------
U27ART (3) U27ART (3)
U28ART (2) U28ART (2)
U28ART (2) U28ART (2)
U249 (1)
U249 (1)
-------
-------
U251 (2)
-------
U30ART (2) U30ART (2)
U31ART (2) U31ART (2)
U655 (2)
-------
U31ART (2) U31ART (2)
U655 (2)
-------
U34ART (4) U34ART (4)
U317 (3)
-------
U608 (2)
U786*
-------
-------
-------
-------
-------
106A (2) 1 5/16 (3)
40073
750 kcmil
-------
U608 (2)
U608 (2)
S786*
P786*
-------
U39ART-2(3) U39ART-2 (3) U39ART-2 (3)
-------
-------
-------
-------
S292 (4)
S44ART (4)
S319 (3)
S352 (3)
P292 (2)
P44ART (2)
P319 (2)
P352 (2)
-------
-------
125H (4) 1 1/2 (3)
40079
1000 kcmil
-------
-------
161 (2)
1 3/4 (3)
*
Install as many crimps as possible without overlapping.
( ) Indicates minimum number of crimps for each cable insertion. Overlapping of crimps in order to obtain
specified number is permissible.
4 of 6
3M™ Scotchlok™ Copper/Aluminum Compression Lugs, 40000 Series
Crimping Tool Recommendations,
continued
Two-Hole Lug Crimping Tool – Die Sets (Minimum # of Crimps)
Conductor
Size
AWG or
kcmil
(MCM)
1/0 AWG
2/0 AWG
3/0 AWG
4/0 AWG
250 kcmil
300 kcmil
350 kcmil
400 kcmil
500 kcmil
3M™
Scotchlok™
Lug
Number
40132
40137
40141
40145
40149
40153
40156
40160
40166
Burndy Corporation
Die
Index
BG
243
297
167
467
296
249
251
470
299
655
472
655
300
317
473
786
936
608
786
936
292
302
319
352
MD6
W-BG (2)
W243 (2)
-------
-------
-------
-------
W249 (2)
-------
-------
-------
-------
-------
-------
-------
-------
-------
-------
-------
-------
-------
-------
-------
-------
-------
-------
Y35
U-BG (2)
U243 (1)
Y39
-------
-------
Y45
U-BG (2)
U243 (1)
U26ART (2)
U167 (2)
U27ART (3)
U28ART (2)
U249 (1)
U251 (2)
U30ART (2)
U31ART (2)
U655 (2)
U32ART (3)
U655 (2)
U34ART (4)
U317 (3)
Y46
U-BG (2)
U243 (1)
U26ART (2)
U167 (2)
U27ART (3)
U28ART (2)
U249 (1)
U251 (2)
U30ART (2)
U31ART (2)
U655 (2)
U32ART (3)
U655 (2)
U34ART (4)
U317 (3)
Thomas & Betts
TBM5
Tan (3)
Olive (3)
Ruby (3)
-------
-------
--------
-------
-------
-------
TBM 8
Tan (3)
Olive (3)
Ruby (3)
White (3)
Red (2)
Blue (3)
Brown (4)
-------
-------
Kearney
TBM15 WH2,052
52 (1)
58 (2)
66 (1)
71H (3)
76 (1)
87H (2)
96 (2)
96 (2)
5/8 (3)
5/8-1 (3)
-------
640 (3)
640 (3)
1 (3)
1 1/8-1 (2)
1 1/8-1 (2)
U26ART (2) U26ART (2)
U167 (2)
-------
U27ART (3) U27ART (3)
U28ART (2) U28ART (2)
U249 (1)
-------
U251 (2)
-------
U30ART (2) U30ART (2)
U31ART (2) U31ART (2)
U655 (2)
-------
U32ART (3) U32ART (3)
U655 (2)
-------
U34ART (4) U34ART (4)
U317 (3)
-------
106A (2) 1 5/16 (3)
40170
600 kcmil
U36ART (3) U36ART (3) U36ART (3) U36ART (3)
U786*
P786*
-------
S786*
-------
U39ART-2(2) U39ART-2 (2) U39ART-2 (2)
U608 (2)
U786*
-------
-------
-------
-------
-------
-------
U608 (2)
U608 (2)
S786*
P786*
-------
U39ART-2(3) U39ART-2 (3) U39ART-2 (3)
-------
-------
-------
-------
S292 (4)
S44ART (4)
S319 (3)
S352 (3)
P292 (2)
P44ART (2)
P319 (2)
P352 (2)
-------
--------
115H (3) 1 5/16 (3)
40172
750 kcmil
-------
-------
125H (4)
1 1/2 (3)
40178
1000 kcmil
-------
-------
161 (2)
1 3/4 (3)
*
Install as many crimps as possible without overlapping.
( ) Indicates minimum number of crimps for each cable insertion. Overlapping of crimps in order to obtain
specified number is permissible.
Storage
Components of the lugs are not impaired by freezing or overheating due to ambient
temperatures found in typical storage or shipping. Normal stock rotation procedures
are recommended.
Availability
Please contact your local distributor; available from 3M.com/electrical [Where to Buy]
or call 1.800.245.3573.
5 of 6
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