3M™ Cold Shrink QT-III 7620-S, 7680-S & 7690-S Series Termination Kit includes three 1-piece, 3-phase, skirted terminations. It ensures a pliable, tight seal for tape shield, wire shield and UniShield® power cables. The conjunction of high dielectric-constant material and silicone rubber insulation allows the termination to withstand voltages of 5 to 35kV.
3M™ Cold Shrink QT-III 7620-S, 7680-S & 7690-S Series Termination Kit is designed for terminating solid dielectric-shielded, medium voltage power cables. The UV stable, track-resistant, silicone rubber insulation of the termination has a hydrophobic property and offers a long-lasting service life while minimizing leakage currents in wet conditions. The lower surface stress, high dielectric-constant material offers an optimized BIL performance while ensuring a leak-proof, compact fit. IEEE Standard 48 Class 1 Approved for outdoor, weather-protected applications.
Conductor Size Range for
· 5 kV: 300-500 kcmil
· 8 kV: 250-500 kcmil
· 15 kV: 2/0 AWG-300 kcmil
· 25/28 kV: 2-4/0 AWG
· 35 kV: 2-2/0 AWG
This termination is compatible with the following lugs:
QL2-A-2-250, for conductor range: 2/0 AWG-250 kcmil, 2-4/0 AWG (25/28kV), 1/0-2/0 AWG (35kV)
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BIL
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200 kV
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Brand
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3M™
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Breakout Boot
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No
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Cable Insulation Outside Diameter Range (metric)
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18.3-32.8 mm
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Cable Shielding
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Concentric Neutral (CN), Tape Shield, UniShield®, Wire Shield
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Compatible Lug
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QL2-A-2-250
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Conductor Size by Voltage
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(5 kV) 300-500 kcmil, (8 kV) 250-500 kcmil, (15 kV) 2/0 AWG-300 kcmil, (25/28 kV) 2-4/0 AWG, (35 kV) 2-2/0 AWG
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Conductor Sizes
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1 AWG, 1/0 AWG, 2 AWG, 2/0 AWG, 250 kcmil, 3/0 AWG, 300 kcmil, 350 kcmil, 4/0 AWG, 400 kcmil, 500 kcmil
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Indoor/Outdoor
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Outdoor Skirted
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Insulation Level
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100%, 133%
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Insulation Rejacketing
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No
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Lug/Stem Connector Included in Kit
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No
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Number of Conductors
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1
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Number of Skirts
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8
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Product Series
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7680-S
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Product Technology
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Cold Shrink
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RoHS 2011/65/EU Compliant
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Undetermined
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RoHS EU Comments
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Contact 3M for information
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Voltage
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15 kV, 25 kV, 35 kV, 5 kV, 8 kV
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Voltage Application
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Medium Voltage
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