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Cold Shrink Silicone Rubber

Termination QT-III

7672-S-8-TS

Instructions

IEEE Std. No. 48-1996

Class 1 Termination

69 kV Class 350 kV BIL

IEC 60840

72,5 kV

Kit Contents:

1 Silicone Rubber Lug Seal Insulator Assembly

1 Hi-K Stress Control Assembly

1 Silicone Rubber Insulator Assembly

1 Silicone Rubber Skirted Insulator Assembly

1 Pre-formed Ground Braid Assembly

3 Constant Force Springs

1 Roll Scotch

Electrical Shielding Tape 24

6 Tubes P55/R Red Compound (Non-Silicone Grease)

1 Roll Scotch

Sealing Mastic 2229, 1" (25 mm) wide

8 Strips Hi-K Mastic (1-6"

22", 7-2"

11")

1 Roll Scotch

Silicone Rubber Tape 70

1 Roll Scotch

Vinyl Electrical Tape Super 88, 1½"

44'

1 6" (150 mm) Hi-K Mastic Pad

1 3M

™

Cable Cleaning Pads CC-3

1 Copper Foil Tape Strip 1181, 15" long

4 Instruction Sheets

Note: Do not use knives to open plastic bags.

Kit Number

Primary Insulation

O.D. Range

Jacket O.D. Range

Conductor Size Range

AWG (mm

)

7672-S-8

1.94"–3.08"

(49.3–75.4 mm)

2.45"–3.35"

(62.2–85.1 mm)

250–1750

(120–850)

Table 1

4APE3HIELDED#ABLE

™

Cold Shrink Silicone Rubber

Skirted Termination Kit QT-III

for Tape Shielded Cable

7672-S-8-TS

78-8126-9537-3-B

CAUTION

Working around energized systems may cause serious injury or

death. Installation should be performed by personnel familiar with

good safety practice in handling electrical equipment. De-energize

and ground all electrical systems before installing product.

Содержание QT-III

Страница 1: ...bber Tape 70 1 Roll Scotch Vinyl Electrical Tape Super 88 1 44 1 6 150 mm Hi K Mastic Pad 1 3M Cable Cleaning Pads CC 3 1 Copper Foil Tape Strip 1181 15 long 4 Instruction Sheets Note Do not use knive...

Страница 2: ...NE 2UBBER 3KIRTED NSULATOR SSEMBLY 3ILICONE 2UBBER UG 3EAL 4UBE 3ILICONE 2UBBER 4UBULAR NSULATOR 3ILICONE 2UBBER 3KIRTED NSULATOR SSEMBLY IGH 3TRESS ONTROL ASTIC IGH 3TRESS ONTROL 4UBE 3ILICONE 2UBBER...

Страница 3: ...within the kit ranges as shown in Table 1 1 2 Prepare cable using dimensions shown in Figure 1 Be sure to allow for depth of terminal lug plus 0 5 13 mm plus crimp growth Note Provide additional expo...

Страница 4: ...ly nearest the cable jacket edge install the 3 constant force springs one around each ground braid loop Cinch tighten the springs after wrapping the final turn Extend the ground braid tails down the c...

Страница 5: ...K ST ASTIC 3TRIP BENEATH SOLDER BLOCKS MM APPROX Figure 4 2 5 Cut four 1 25 mm lengths of 1 25 mm wide Scotch Sealing Mastic 2229 Remove the release liner and roll each mastic strip into a small roll...

Страница 6: ...ND ASTIC 3TRIP OVER SOLDER BLOCKS MASTIC ROLLS Figure 7 2 7 Wrap two half lapped layers of highly tensioned Scotch Vinyl Electrical Tape Super 88 over the mastic seal and constant force springs Cover...

Страница 7: ...kcmil 4 0 Clean Cable Insulation and Lug Barrel Using Standard Practice 4 1 Use only aluminum oxide abrasive to finish and polish insulation surface 4 2 Use abrasive only on cable insulation Do not us...

Страница 8: ...ad edge by gently pressing along the edge with your finger Figure 9 3EMI ON 4APER DGE ABLE NSULATION ABLE NSULATION I ASTIC 0AD I ASTIC 0AD AYERS MM MM Figure 9 5 2 Wrap two half lapped layers of high...

Страница 9: ...ol Assembly not the core with the end of the tape shield and remove the core by pulling the loose end while unwinding counter clockwise Clean exposed cable insulation after installation Figure 12 5NWI...

Страница 10: ...L 4APE MM MM 4APER DGE OF I ASTIC 4APER DGE OF I ASTIC 3TRESS ONTROL SSEMBLY 4UBE ABLE NSULATION Figure 14 5 7 Select one or more of the 2 x 11 50 mm x 280 mm hi K mastic strips from the kit Remove th...

Страница 11: ...Using moderate tension wrap 2 half lapped layers of tape over the hi K mastic leaving approximately 0 125 3 mm of mastic exposed at each end Taper the exposed edges of the hi K mastic onto the cable b...

Страница 12: ...g counter clockwise Figure 20 3TRESS ONTROL SSEMBLY 4UBE 3ILICONE 2UBBER UG 3EAL NSULATOR UG MM 5NWIND COUNTER CLOCKWISE Figure 20 5 13 Apply 3 tubes of P55 R Red Compound to the exposed cable insulat...

Страница 13: ...aner and wipe dry 5 16 Select the Skirted Insulator Assembly from the kit Carefully remove the red shipping core by pulling the loose end while unwinding counter clockwise and discard Slide the Skirte...

Страница 14: ...free from defects in material and manufacture for a period of one 1 year from the time of purchase 3M MAKES NO OTHER WARRANTIES INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR...

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