3M 7664-S-8 7664-S-8 QTI
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Manufacturer 3M
Mfg Catalog # 7664-S-8
Irby Part # 2815932


3M Cold Shrink QT-III Outdoor terminations offer easy installation and reliable performance when terminating indoor and outdoor medium voltage cable. The unique step-core design combined with the built in Hi-K stress control and silicone sealing compounds means simpler installation on all types of cable. it has UV stability and track and erosion resistance. Plus its Hi-K stress control design delivers excellent BIL performance and lower surface stress resulting in a more compact termination. Through superior engineering, 3M Cold Shrink QT-III Outdoor terminations deliver maximum performance.

Conductor Size Range for

· 5 kV: 500-750 kcmil

· 8 kV: 350-700 kcmil

· 15 kV: 4/0 AWG-500 kcmil

· 25/28 kV: 2/0 AWG-250 kcmil

· 35 kV: 2-4/0 AWG


  • Number of Conductors: 1
  • Cable Insulation Outside Diameter Range (metric): 21.1-38.9 mm
  • Shielding Type: Jacketed Concentric Neutral (JCN), Concentric Neutral (CN)
  • RoHS 2011/65/EU Compliant: Undetermined
  • Insulation Level: 100%, 133%
  • BIL: 200 kV
  • Product Family: QT-III
  • Indoor/Outdoor: Outdoor Skirted
  • Number of Skirts: 8
  • Insulation Rejacketing: No
  • Voltage: 8 kV, 35 kV, 25/28 kV, 5 kV, 15 kV
  • Conductor Sizes: 1/0 AWG, 2/0 AWG, 250 kcmil, 1 AWG, 500 kcmil, 3/0 AWG, 700 kcmil, 400 kcmil, 750 kcmil, 600 kcmil, 2 AWG, 300 kcmil, 4/0 AWG, 350 kcmil
  • RoHS EU Comments: Contact 3M for information
  • Product Series: 7660-S
  • Maximum Installed Length: 20.50 in
  • Trademark: 3M
  • Breakout Boot: No
  • Agency Approvals: IEEE
  • Family: QT-III
  • Cable Insulation Outside Diameter Range: 0.83-1.53 in



UPC 05400742447
GTiN 00054007424475
Conductor Size 600 MCM
Applications Outdoor
Cable Type Concentric Neutral (CN); Jacketed Concentric Neutral (JCN)
Family Brand Name 3M
Voltage 892.857/5,000/8,000/15,000/35,000 Volt
Indoor Outdoor Outdoor Skirted

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