3M™ Cold Shrink QT-III Silicone Rubber Termination Kit 7620-T and 7690-T Series contains one-piece, non-skirted, silicone rubber terminations, meets IEEE Standard 48 Class 1 for indoor and weather-protected applications. The kits are designed for terminating solid dielectric shielded power cable rated 5–35 kV, with tape shield, wire shield and UniShield® constructions.
Key Features
- Provides a void-free seal to tape shield, wire shield and UniShield® power cables
- High dielectric-constant material regulates the distribution of electric field stress
- Suitable for indoor applications
- Non-tracking, molded, silicone rubber insulation offers durability
- Includes 3 non-skirted, 1-piece, 3-phase, cold shrink terminations
Applications
- Provides a void-free seal to tape shield, wire shield and UniShield® power cables
- Suitable for indoor applications
Typical Properties
| Property | Value |
|
Breakout Boot
|
No |
|
Cable Insulation Outside Diameter Range
|
0.32-0.59 in, 0.44-0.89 in, 0.64-1.08 in, 0.72-1.29 in, 0.83-1.53 in, 1.05-1.80 in, 1.15-1.90 in, 1.15-1.98 in, 1.53-2.32 in, 0.69-1.22 in
|
|
Cable Shielding
|
Tape Over Wire, Tape Shield, UniShield®, Wire Shield, Wire-Over-Tape Shield
|
|
Compatible Lug
|
QL2-A-1/0-350, QL2-A-1000-1250, QL2-A-2-250, QL2-A-350-750, QL2-A-4/0-600, QL2-A-500-1000
|
|
Conductor Sizes (Imperial)
|
1 AWG, 1/0 AWG, 1000 kcmil, 1250 kcmil, 1500 kcmil, 1750 kcmil, 2 AWG, 2/0 AWG, 2000 kcmil, 250 kcmil, 3/0 AWG, 300 kcmil, 350 kcmil, 4 AWG, 4/0 AWG, 400 kcmil, 450 kcmil, 500 kcmil, 6 AWG, 600 kcmil, 700 kcmil, 750 kcmil, 8 AWG, 800 kcmil, 900 kcmil
|
| Family |
QT-III
|
|
Indoor/Outdoor
|
Indoor, Indoor Non-skirted
|
|
Insulation Level
|
100%, 133%
|
|
Insulation Rejacketing
|
No |
|
Lug/Stem Connector Included in Kit
|
No |
|
Maximum Installed Length
|
12.00 in, 16.00 in, 8.50 in
|
|
Number of Skirts
|
0 |
|
Voltage
|
15 kV, 25 kV, 25/28 kV, 35 kV, 5 kV, 8 kV, 8.7 kV
|
|
Voltage Application
|
Medium Voltage |
