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™

Cold Shrink QT-III Silicone

Rubber Skirted Termination Kit

With High-K Stress Relief
For Tape Shielded, Wire Shielded and UniShield

Cable

7620-S-2
Instructions

IEEE Std. No. 48

Class 1 Termination

5/8 kV Class

95 kV BIL

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.

May 2013

78-8117-0508-2 Rev D

Содержание 7620-S-2

Страница 1: ...tions IEEE Std No 48 Class 1 Termination 5 8 kV Class 95 kV BIL F 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 May 2013 78 8117 0508 2 Rev D 3 ...

Страница 2: ... Mastic Strip 2230 black with white release liners bagged 1 3M Cable Cleaning Preparation Kit CC 2 1 Instruction Sheet NOTE Do Not use knives to open plastic bags Kit Selection Table NOTE Final Determination Factor is cable insulation diameter Kit Number Primary Insulation O D Range Jacket O D Range Conductor Size Range AWG 5 kV 100 133 8 kV 100 133 7620 S 2 0 32 0 59 8 1 15 0 mm 0 52 0 78 13 3 19...

Страница 3: ...g of ALUMINUM lugs or connectors NOTE It is imperative to remove all remnants of the semi con layer even if the semi con layer comes off as one layer There should not be any remaining black areas or particles on the cable insulation layer Jacket Removal Length 6 3 4 171 mm 2 51 mm Semi Con Tape Shield Depth Of Terminal Lug Growth Allowance 1 25 mm Cable Jacket Figure 1 3 0 Install Ground Braid 3 1...

Страница 4: ...n long tail of ground braid extending over cable jacket with solder block over mastic strip Figure 3 Secure ground braid to cable jacket 3 1 2 89 mm from cable semi con edge using vinyl tape Figure 3 NOTE Position vinyl tape with care it also serves as a marker for positioning the termination Tape Shield Ground Braid Cable Jacket Edge Vinyl Tape Marker Semi Con Edge Solder Block 1ST Scotch Mastic ...

Страница 5: ... Block 2nd Scotch Mastic Strip 2230 Ground Braid Leg Trim Cable Tape Shield Figure 4 3 5 Wrap two highly stretched half lapped layers of electrical grade vinyl tape around mastic seal constant force spring and exposed tape shield Figure 5 NOTE Take care not to cover exposed semi con insulation shield A minimum of 3 4 19 mm must be exposed SPECIAL NOTE FOR CLOTH OR PAPER SEMI CON INSULATION SHIELD ...

Страница 6: ... SHIELD 5 2 If abrasive must be used a Use on insulation only DO NOT USE ABRASIVE ON SEMI CON INSULATION SHIELD b Use only aluminum oxide abrasive grit 120 or finer included in the 3M Cable Cleaning Preparation Kit CC 2 c Be careful not to reduce the cable insulation diameter below that allowed by the kit 6 0 Install Termination Important Packaging Notice In order to make sure that you receive an ...

Страница 7: ... Semi Con Insulation Shield Ridge at End of Cable Insulation Shield Semi Con Ridge at End of Stress Controlling Compound Correct Installation of Termination on Tape Shielded Cable Cable Insulation Conductor Vinyl Tape Marker Environmental Top Seal Stress Controlling Compound Silicone Rubber Tube ...

Страница 8: ...rowth during crimping of ALUMINUM lugs or connectors NOTE It is imperative to remove all remnants of the semi con layer even if the semi con layer comes off as one layer There should not be any remaining black areas or particles on the cable insulation layer 6 3 4 171 mm Depth Of Terminal Lug Growth Allowance 2 51 mm Jacket Removal Length Semi Con Shield Wires Cable Jacket Figure 8 7 3 Bend leadin...

Страница 9: ...jacket 3 1 2 89 mm from cable semi con edge using vinyl tape Figure 11 NOTE Position vinyl tape with care it also serves as a marker for positioning the termination Shield Wires Ground Braid Cable Jacket Edge Vinyl Tape Marker Semi Con Edge Solder Block 1ST Scotch Mastic Strip 2230 3 1 2 89 mm Figure 11 8 3 Wrap ground braid around cable shield wires one complete wrap trim excess to prevent overla...

Страница 10: ... 13 NOTE Take care not to cover exposed semi con insulation shield A minimum of 3 4 19 mm must be exposed SPECIAL NOTE FOR CLOTH OR PAPER SEMI CON INSULATED SHIELD In cables with cloth or paper semi conductive shields it is recommended the shield be over wrapped with one half lapped layer of highly stretched semi conductive rubber tape such as Scotch Electrical Semi Conducting Tape 13 Semi Con Con...

Страница 11: ...nly aluminum oxide abrasive grit 120 or finer included in 3M Cable Cleaning Preparation Kit CC 2 c Be careful not to reduce the cable insulation diameter below that allowed by the kit 11 0 Install Termination Important Packaging Notice In order to make sure that you receive an undamaged termination this 3M Cold Shrink QT III Termination is packed with a RED SHIPPING CORE inside of the white core P...

Страница 12: ... Check to be sure cable size fits within kit range as shown in Table 1 12 2 Prepare cable using dimensions shown in Figures 16 17 and 18 BE SURE TO ALLOW FOR DEPTH OF TERMINAL LUG NOTE Provide additional 1 4 6 mm exposed conductor distance to account for growth during crimping of ALUMINUM lugs or connectors 12 3 Install constant force spring as shown in Figure 16 Pull shield wires through semi con...

Страница 13: ...constant force spring as shown in Figure 18 and ring cut 80 through jacket Remove jacket sections by pulling against constant force spring DO NOT BELL SEMI CON JACKET Remove constant force spring NOTE It is imperative to remove all remnants of the semi conductive jacket even if the semi conductive jacket comes off as one layer There should not be any remaining black areas or particles on the cable...

Страница 14: ...d extending over cable semi conductive jacket with solder block over mastic strip Figure 20 Secure ground braid to cable semi conductive jacket 3 1 2 89 mm from cable semi con edge using vinyl tape Figure 20 NOTE Position vinyl tape with care it also serves as a marker for positioning the termination Shield Wires Ground Braid Solder Block Semi Con Edge 1ST Scotch Mastic Strip 2230 Vinyl Tape Marke...

Страница 15: ...0 Solder Block 2ND Scotch Mastic Strip 2230 Ground Braid Leg Trim Cable Wire Shield Figure 21 13 5 Wrap two highly stretched half lapped layers of electrical grade vinyl tape around mastic seal constant force spring and exposed shield wires Figure 22 NOTE Take care not to cover exposed semi con insulation shield A minimum of 3 4 19 mm must be exposed Semi Con Constant Force Spring Two Half Lapped ...

Страница 16: ...only aluminum oxide abrasive grit 120 or finer included in 3M Cable Cleaning Preparation Kit CC 2 c Be careful not to reduce the cable insulation diameter below that allowed by the kit 16 0 Install Termination Important Packaging Notice In order to make sure that you receive an undamaged termination this 3M Cold Shrink QT III Termination is packed with a RED SHIPPING CORE inside of the white core ...

Страница 17: ...le Insulation Shield Semi Con Correct Installation of Termination on UniShield Shielded Cable Cable Insulation Conductor Vinyl Tape Marker Environmental Top Seal Stress Controlling Compound Ridge at End of Stress Controlling Compound Silicone Rubber Tube ...

Страница 18: ...41 3 2 0 1 2 0 2 A26R 1 A26R 2 U26RT 2 U26RT 3 Black 2 Black 3 Black 2 Black 3 45 1 45 2 1 2 3 0 1 2 1 2 30041 31041 W243 2 W243 3 3 0 1 3 0 2 A27R 1 A27R 2 U27RT 2 U27RT 3 Orange 2 Orange 3 Orange 2 Orange 3 50 1 50 2 2 3 4 0 1 2 1 2 1 2 30045 31045 31145 BG 3 BG 4 BG 4 4 0 1 4 0 2 4 0 2 A28R 2 U28RT 2 U28RT 3 U28RT 3 Purple 2 Purple 3 Purple 3 Purple 2 Purple 3 Purple 3 54H 2 54H 3 54H 3 2 3 3 2...

Страница 19: ...3 5 8 1 3 5 8 1 3 5 8 1 3 2 0 1 2 1 2 40037 40137 BG 4 BG 4 2 0 1 2 0 1 A26AR 2 A26AR 2 U26ART 2 U26ART 2 1 1 Olive 2 Olive 2 Olive 2 Olive 2 54H 2 54H 2 2 2 BY31C 3 BY31C 3 5 8 1 3 5 8 1 3 3 0 1 2 1 2 40041 40141 W166 4 W166 4 3 0 1 3 0 1 A27AR 2 A27AR 2 U27ART 2 U27ART 2 1 1 Ruby 2 Ruby 2 Ruby 2 Ruby 2 60 2 60 2 2 2 737 3 737 3 4 0 1 2 5 8 1 2 40045 40046 40145 W660 4 W660 4 W660 4 4 0 2 4 0 2 4...

Страница 20: ...shall be at 3M s option to replace or repair the 3M product or refund the purchase price of the 3M product Except where prohibited by law 3M will not be liable for any indirect special incidental or consequential loss or damage arising from this 3M product regardless of the legal theory asserted Electrical Markets Division 6801 River Place Blvd Austin TX 78726 9000 800 245 3573 Fax 800 245 0329 ww...

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