Cut Sheet
— 2 —
Electrical Properties
Test Method Typical Value*
Dielectric Strength
(ASTM D 149–75) 365 V/mil
Original (14,3 MV/m)
@ 1,78 mm
7 days in H
2
O at 282 V/mil
90C (194F) (11,1 MV/m)
Scotch 2228 Rubber Mastic Tape
Physical Properties
Test Method Typical Value*
Color Black
Thickness
(ASTM D–1000)
— Overall 0.065
(1,65 mm)
— EPR Backing 0.030
(0,76 mm)
— Mastic Layer 0.035
(0,89 mm)
Adhesion to steel 15 lbs/in.
(ASTM D–1000) (0,17 MPa)
Water Absorption 0.15%
(ASTM D–570)
Electrical Properties
Test Method Typical Value*
Dielectric Strength
(ASTM D–1000
— Dry 500 V/mil
(19,6 kV/mm)
— Wet 500 V/mil
(19,6 kV/mm)
* All values are averages and are not intended for
specification purposes.
B. Typical Dimensions
Tube Length
Core Length
Core I.D.
Jacket
Kit
Approximate Core
Length
Approximate Tube
Length
Core I.D.
Approximate Minimum
Installed Length
Approximate Maximum
Installed Length
SJ–1A
26.5
(673 mm)
24.0
((610 mm)
2.85
(72,4 mm)
23.0
(584 mm)
27.0
(686 mm)
SJ–2A
31.0
(787 mm)
27.0
(686 mm)
3.87
(98,3 mm)
32.0
(813 mm)
35.0
(889 mm)
SJ–3A
32.0
(813 mm)
28.0
(711 mm)
4.50
(114,3 mm)
33.0
(838 mm)
37.0
(940 mm)
Table 1
C. Cold Shrink Jacket Kit Selection Table
Jacket
Kit
Minimum Cable
Jacket O.D.
Maximum Splice
O.D.
Maximum Cable
Jacket Opening
3M 15 kV Splice
Number
3M 25 kV Splice
Number
3M 35 kV Splice
Number
SJ–1A
0.95
(24,1 mm)
2.4
(61,0 mm)
20
(508 mm)
5411
5411A
5412
5411R*
— —
SJ–2A
1.15
(29,2 mm)
3.3
(83,8 mm)
28
(711 mm)
5403
5404
5405
5406
5420
5421
5422
5451
5452
5432
5461
SJ–3A
1.55
(39,4 mm)
4.0
(101,6 mm)
30
(762 mm)
5407
5408
5409
5423
5424
5425
5426
5433
*3M 5411R QSII requires an additional 8428–12 Cold Shrink Tube to jacket splice. The procedure for jacketing the 5411R QSII is
detailed in the SJ–1A kit installation instruction.
Table 2