Heat Shrinkable Breakouts - 3 Core

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Heat Shrinkable Breakouts - 3 Core

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Heat Shrinkable Breakouts for 3-core cables provide enhanced insulation, mechanical protection, and environmental sealing at the cable crutch. Made from cross-linked polyolefin with inner adhesive or mastic, they ensure a watertight fit and prevent tracking. Ideal for medium- and low-voltage applications in switchgear, substations, and industrial setups

Technical Data

 

PropertyTest MethodStandard Value
Insulated BreakoutOil Resistant BreakoutSemi-conductive Breakout
Tensile StrengthASTM-D-638≥12MPa≥12MPa≥12MPa
Elongation at Break (120℃,168 hrs)ASTM-D-638≥300%≥300%≥300%
Tensile Strength after Aging (120℃,168 hrs)ASTM-D-638≥10MPa≥10MPa≥10MPa
Elongation at Break after AgingASTM-D-638ASTM-D-638ASTM-D-638≥230%≥230%≥230%
Tensile Strength Variation after Dipping ASTM-D-638ASTM-D-638≤20%
Elongation at Break  after DippingASTM-D-638≥230%
Dielectric StrengthIEC 60243≥15kV/mm≥15kV/mm
Water AbsorptionISO 62≤0.1%≤0.1%≤0.1%≤0.1%
Volume ResistivityIEC 60093≥1×1013Ω·cm≥1×1013Ω·cm≥1×1013Ω·cm
Brittle TemperatureISO 974-40℃-40℃-40℃
Heat Shock160℃,4hNo CrackNo CrackNo Crack
Hardness(Shore A)ISO 868≥80≥80≥80
3 Core

 

CoresAs Supplied(mm)After Recovered
Body Diameter (D) MinFinger Diameter (d) MinFull Length (L)(±5)Body Diameter (D)Maxinger Diameter (d) Min
3-cores Breakout2411140175
4818165227
5825180288
68302103713
87392204316
106422355319
125582456525
140652456525
Features

The Heat Shrinkable Breakout 3-core is designed to protect cable crutches from moisture, dust, and mechanical stress in medium- and low-voltage systems. Made from cross-linked polyolefin with adhesive or mastic lining, it ensures a watertight seal and superior insulation. The Heat Shrinkable Breakout 3-core enhances dielectric strength, prevents tracking, and boosts reliability in switchgear, substations, and industrial setups. Trusted for its durability, the Heat Shrinkable Breakout 3-core is ideal for extending cable life in harsh environments.

Features

  1. Specifically designed for 3-core cables, ensuring a tight and secure fit.
  2. Provides exceptional moisture sealing, preventing water ingress that could damage insulation over time.
  3. Made from cross-linked polyolefin, ensuring mechanical strength and electrical insulation.
  4. Adhesive/mastic-lined interior enhances waterproofing and insulation, reducing electrical risks.
  5. Easy installation using heat-shrink technology—forms a perfect seal around cable crutch.
  6. Flame-retardant versions available for applications requiring extra fire protection.
  7. UV-resistant, chemical-resistant, and weatherproof, making it suitable for indoor, outdoor, and underground applications.
  8. Ideal for use in power distribution systems, switchgear, transformers, and industrial environments.

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