Penn Union BLY Catalog Page

COPPER COMPRESSION LUGS

Standard Barrel - One Hole Rounded Tongue with Inspection Window

Type BLY

• Manufactured from high conductivity seamless copper tubing

• Tin-plated to inhibit corrosion

• Beveled entry for easy cable insertion

• Inspection window to ensure full cable insertion

• Rounded tongue accommodates full washer clearance and adjustable
lug orientation

• Connectors are suitable for voltages up to 35 KV

BLY DIMENSIONS & INSTALLATION TOOLING INFORMATION

FIGURE DIMENSIONS (IN.)

COMPRESSION CONNECTORS

CATALOG
NUMBER

BLY10-T7 • +

BLY10-L36 • + 8-#10 .31 .36 .08 .38 .80

BLY8C-L14

BLY8C-L #10 .42 .47 .08 .37 1.15

BLY8C-L1 1/4” .42 .51 .08 .37 1.22

BLY8C-L2 5/16” .59 .71 .08 .50 1.30

BLY8C-L3 3/8” .59 .71 .08 .50 1.30

BLY8C-L4 1/2” .83 .88 .08 .50 1.55

BLY6C-L1

BLY6C-L 1/4” .47 .54 .08 .39 1.31

BLY6C-L4 5/16” .62 .67 .08 .45 1.44

BLY6C-L2 3/8” .62 .67 .08 .50 1.44

BLY6C-L10 1/2” .83 .88 .08 .50 1.68

BLY4C-L3

BLY4C-L 1/4” .63 .58 .10 .45 1.40

BLY4C-L4 5/16” .63 .66 .10 .50 1.49

BLY4C-L2 3/8” .65 .66 .10 .50 1.49

BLY4C-L5 1/2” .83 .88 .10 .50 1.72

BLY2C-L3

BLY2C-L1 1/4” .71 .75 .11 .63 1.73

BLY2C-L2 5/16” .71 .75 .11 .63 1.73

BLY2C-L 3/8” .71 .75 .11 .63 1.73

BLY2C-L4 1/2” .80 .90 .11 .63 1.90

COPPER

CONDUCTOR

SIZE

10 Str.
12 Sol.

Aircraft

AN 8

8 AWG

Aircraft

AN 6

6 AWG

Aircraft

AN 4

4 AWG

Aircraft

AN 2

2 AWG

STUD

TONGUE

HOLE

WIDTH

SIZE

“W”

4-6 .32 .40 .08 .44 .96

8 .42 .47 .08 .37 1.15

8

#10 .47 .54 .08 .39 1.31

6

#10 .63 .58 .10 .45 1.40

4

#10 .71 .75 .11 .63 1.73

2

TONGUE
LENGTH

“C”

TONGUE

THICKNESS

“T”

BARREL
LENGTH

“B”

OVERALL

LENGTH

“L”

INSTALLATION TOOLING

MECHANICAL HYDRAULIC T&B

BURNDY DIE

Y8MRBI

MR8G98

Y10D Y14MV

Non-Ratchet:

MY29-11

Non-Ratchet:

MY29-11

Non-Ratchet:

MY29-11

Non-Ratchet:

MY29-11

PENN-UNION DIELESS

MECHANICAL TOOL

- -

TDM-250XF 38

TDM-250XF 39

TDM-250XF 40

TDM-250XF 41

Y35+ Y39

INDEX

UV8L Nest

UV6L Nest

UV4L Nest

UV2L Nest

BURNDY DIE MS90485-

DIE CAT. NO.

-

Y34PLA

Indentor

(1) Crimp

Y34PLA

Identor

(1) Crimp

Y34PLA

Indentor

(1) Crimp

Y34PLA

Indentor

(1) Crimp

DIE MS90485-

- - 7/16”

11781M -8 1/2”

11782M -6 1/2”

11783M -4 1/2”

11784M -2 5/8”

WIRE
STRIP

LENGTH

40

BLY DIMENSIONS & INSTALLATION TOOLING INFORMATION (CONTINUED)

FIGURE DIMENSIONS (IN.)

CATALOG
NUMBER

COPPER

CONDUCTOR

SIZE

BLY1C-L6

BLY1C-L1 1/4” .77 .83 .13 .62 1.85

BLY1C-L2 5/16” .77 .83 .13 .62 1.85

BLY1C-L 3/8” .77 .83 .13 .62 1.85

BLY1C-L3 1/2” .77 .95 .13 .62 1.98

Aircraft

AN 1

1 AWG

STUD
HOLE

SIZE

TONGUE

WIDTH

“W”

TONGUE
LENGTH

“C”

TONGUE

THICKNESS

#10 .77 .72 .13 .62 1.67

1

“T”

BARREL
LENGTH

“B”

OVERALL

LENGTH

“L”

BLY1C-L4 7/16” .77 .83 .13 .62 1.85

BLY25-L1

BLY25-L2 5/16” .85 .93 .13 .68 2.05

BLY25-L 3/8” .85 .93 .13 .68 2.05

BLY25-L3 1/2” .85 1.01 .13 .68 2.09

BLY25-L4 5/8” .90 1.16 .13 .68 2.31

1/0

Aircraft

AN 1/0

1/0 AWG

1/4” .85 .93 .13 .68 2.05

BLY25-L6 7/16” .85 .93 .13 .68 2.05

BLY26-L1

BLY26-L2 5/16” .94 1.05 .13 .81 2.32

BLY26-L 3/8” .94 1.05 .13 .81 2.32

BLY26-L3 1/2” .94 1.05 .13 .81 2.32

BLY26-L12 5/8” .94 1.28 .13 .81 2.54

2/0

Aircraft

AN 2/0

2/0 AWG

1/4” .94 1.05 .13 .81 2.32

BLY26-L4 7/16” .94 1.05 .13 .81 2.32

BLY27-L

BLY27-L1 1/2” 1.05 1.09 .14 .81 2.46

BLY27-15 5/8” 1.05 1.28 .14 .81 2.63

BLY27-L3 + 1/4” 1.05 1.09 .14 .81 2.46

BLY27-L2 5/16” 1.05 1.09 .14 .81 2.46

3/0

Aircraft

AN 3/0

3/0 AWG

3/8” 1.05 1.09 .14 .81 2.46

BLY27-6 7/16” 1.05 1.09 .14 .81 2.63

BLY28-L

3/8” 1.15 1.28 .15 .87 2.76

BLY28-L12 1/2” 1.15 1.28 .15 .87 2.76

BLY28-L13 5/8” 1.15 1.28 .15 .87 2.76

BLY28-L14 3/4” 1.27 1.44 .15 .87 2.96

BLY28-L1 + 1/4” 1.15 1.28 .15 .87 2.76

BLY28-L2 5/16” 1.15 1.28 .15 .87 2.76

4/0

Aircraft

AN 4/0

4/0 AWG

BLY28-L6 7/16” 1.15 1.28 .15 .87 2.76

BLY28-L15 7/8” 1.27 1.44 .15 .87 2.96

INSTALLATION TOOLING

MECHANICAL HYDRAULIC T&B

BURNDY DIE

Non-Ratchet:

MY29-11

Non-Ratchet:

MY29-11

Non-Ratchet:

MY29-11

Non-Ratchet:

MY29-11

Non-Ratchet:

MY29-11

PENN-UNION DIELESS

MECHANICAL TOOL

TDM-250XF 42

TDM-250XF 43

TDM-250XF -

TDM-250XF -

TDM-250XF -

INDEX

BURNDY DIE MS90485-

Y35+ Y39

UV1CL Nest

Y34PLA

Indentor

(1) Crimp

UV25L Nest

Y34PLA

Indentor

(1) Crimp

DIE CAT. NO.

11785M -1 5/8”

11786M -01 11/16”

-

11787M -02 13/16”

-

11788M -03 13/16”

-

11789M -04 7/8”

DIE MS90485-

WIRE
STRIP

LENGTH

COMPRESSION CONNECTORS

• Not UL listed

+ Not CSA certied

41