IRRAX™SLEEVE SBI300

[Halogen-free, insulation for busbars in switchgear, heat-shrinkable tubing (max. 24kV)]

■ Excellent electrical performance
■ Protection against flashover
■ Stable performance for continuous use in switchgear
■ Flexible enough to heat-shrink on bent (90℃) busbars
■ Flame retardancy (self-extinguishing)

  • moisture resistance Single
  • Flame Retarded

Applications

  • ■ Insulation for busbars in switchgear up to 24kV

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Basic Properties

Category Heat-shrinkable tubing
Material Cross-linked flexible flame-retarded polyolefin
Flammability Flame Retarded
Shrink temperature min. 115℃
Shrink ratio min. 60%
Longitudinal change min. -15℃
Continuous operating temperature -40 to 120℃
Specifications/Approvals SFP standard
Marking on Surface SUMITOMO IRRAX SLEEVE SBI300 XX/YY HF
(XX/YY indicates nominal size)
Available colors Red
Flexibility Flexible
Environmental Compliance Halogen-free,RoHS,ELV
Industry Industrial machinery,Electronics,Power supply / Communication

Features

Properties Items Requirements Typical values*
Mechanical Tensile strength (before aging)
Tensile strength (after aging)
Elongation (before aging)
Elongation (after aging)
Specific gravity
Low temperature flexibility
min. 5.0MPa
160℃ x 168 hours, min. 5.0 MPa
min. 300%
160℃ x 168 hours, min. 200%

-40℃ x 4 hours, no crack
7.6MPa
9.6MPa
525%
490%
1.31
Pass
Electrical Dielectric strength
Volume resistivity
Dielectric constant
min. 10.0kV/mm

39.5kV/mm (wall thickness 0.94mm)
7.8 x 1016Ω・cm
2.7
Chemical Water absorption
Flammability
Shrinking temperature (start/finish)
23℃ x 24 hours
Pass
0.45
Pass
70℃ / 100℃

* For reference use only

Sizes

Nominal size(mm) Supplied ID(mm) Recovered ID(mm) Unit length
(min.)(m)
Suitable busbar size(mm)
Inside diameter(min.) Wall thickness(nom.) Inside diameter(max.) Wall thickness(nom.) Rectangular L+T(min. - max.) Round R(min. - max.)
6/15 15.0 1.10 6.00 2.00 25 12~18 6.5~12.0
12/30 30.0 1.10 12.0 2.30 25 22~38 13.5~25.0
20/50 50.0 1.10 20.0 2.50 25 36~65 22.0~43.0
30/75 75.0 1.10 30.0 2.50 25 55~95 33.0~63.0
40/100 100.0 1.10 40.0 2.50 25 70~130 44.0~86.0
50/120 120.0 1.30 50.0 3.00 25 90~165 55.0~105.0
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