4BL-type ballasts are designed to prevent the insulating suspension from being pulled upward or excessively deviating from the vertical under wind influence. Manufactured according to TU 3449-001-52814896-2010.

Technical Specifications

• 4BL-1000-1:
  • Dimensions:
    • Length (L): 1690 mm
  • Ballast weight adjustment steps: from 1000 to 100 kg in 100 kg increments
  • Compatible with clamps: 4PGN2-5-2A
  • Weight: 1030 kg

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