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For tightening on live EV batteries

Isolated Extensions

Atlas Copco isolated extensions extend the reach of the drive tooling assembly while maintaining full electrical isolation between the tool and the fastener in live electrical applications. Rotating protection sleeves prevent the extension body from contacting live conductors during the fastening cycle, and all extensions are IEC 60900 compliant, enabling safe, efficient assembly on EV battery packs and high-voltage systems without de-energisation.

  • Extends drive reach while maintaining full electrical isolation
  • Rotating protection sleeve prevents contact with live conductors
  • IEC 60900 compliant for EV and high-voltage assembly applications
  • Enables fastening on live systems without de-energisation downtime
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Isolated Extensions
Products in this range

Isolated Extensions models.

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ProductSKU / ModelKey specifications
Extension-SQ3/8-L70-SQ3/8-R-IExtension-SQ3/8-L70-SQ3/8-R-I4027 0351 29
  • Output: 3/8"
  • Length L: 70 mm
  • Features: Isolated
Ext-SQ3/8-L70-SQ3/8-R-B-IExt-SQ3/8-L70-SQ3/8-R-B-I4027 0369 74
  • Output: 3/8"
  • Length L: 70 mm
  • Features: Ball retainer
EXT-SQ3/8-L70-SQ3/8-M-R-IEXT-SQ3/8-L70-SQ3/8-M-R-I4027 0385 25
  • Output: 3/8"
  • Length L: 70 mm
  • Features: Hole retainer
Ext-SQ3/8-L75-SQ3/8-R-P-IExt-SQ3/8-L75-SQ3/8-R-P-I4027 1234 81
  • Output: 3/8"
  • Length L: 75 mm
  • Features: Isolated
Ext-SQ3/8-L100-SQ3/8-R-P-IExt-SQ3/8-L100-SQ3/8-R-P-I4027 1234 82
  • Output: 3/8"
  • Length L: 100 mm
  • Features: Isolated
Ext-SQ3/8-L200-SQ3/8-R-P-IExt-SQ3/8-L200-SQ3/8-R-P-I4027 1234 86
  • Output: 3/8"
  • Length L: 200 mm
  • Features: Isolated
Ext-SQ3/8-L150-SQ3/8-R-P-IExt-SQ3/8-L150-SQ3/8-R-P-I4027 1234 84
  • Output: 3/8"
  • Length L: 150 mm
  • Features: Isolated
EXT-SQ3/8-L70-SQ3/8-M-R-IHEXT-SQ3/8-L70-SQ3/8-M-R-IH4027 1236 90
  • Output: 3/8"
  • Length L: 70 mm
  • Features: Hole retainer
Ext-SQ3/8-L100-SQ3/8-R-P-IHExt-SQ3/8-L100-SQ3/8-R-P-IH4027 3234 82
  • Output: 3/8"
  • Length L: 100 mm
  • Features: Isolated
Ext-SQ3/8-L150-SQ3/8-R-P-IHExt-SQ3/8-L150-SQ3/8-R-P-IH4027 3234 84
  • Output: 3/8"
  • Length L: 150 mm
  • Features: Isolated
Ext-SQ3/8-L70-SQ3/8-R-IH-BExt-SQ3/8-L70-SQ3/8-R-IH-B4027 3234 90
  • Output: 3/8"
  • Length L: 70 mm
  • Features: Ball retainer
Ext-SQ3/8-L200-SQ3/8-R-P-IHExt-SQ3/8-L200-SQ3/8-R-P-IH4027 3234 86
Ext-SQ3/8-L75-SQ3/8-R-P-IHExt-SQ3/8-L75-SQ3/8-R-P-IH4027 3234 81
  • Output: 3/8"
  • Length L: 75 mm
  • Features: Isolated
Ext-SQ3/8-L70-SQ3/8-R-IH-PExt-SQ3/8-L70-SQ3/8-R-IH-P4027 3234 80
  • Output: 3/8"
  • Length L: 70 mm
  • Features: Isolated
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