Accessories

Heat Shrinkable Anti Tracking Tubing

Features

  • Reduces bus bar clearance requirements.
  • Protects against accidental ashover
  • Continuous operation temperature: -40℃ to 125℃
  • Halogen free.
  • Shrink Temperature: 120℃
  • Anti-track.
  • Suitable for medium voltage switchgear applications upto 36 kV.

Cross linked Polyolen Medium and Heavy Wall Anti-track Heat Shrinkable Tubing specically designed for insulating medium voltage bus bar.

Heat Shrinkable Anti Tracking Tubing

Specifications:

Dimension Chart for Heat Shrink Anti Tracking Tubing

CODE As Supplied After Recovered
ø D1 (max.) ø D2 (max.) T (min.)
DSRU - 30/10 30 10 2.6
DSRU - 36/12 36 12 3.0
DSRU - 42/19 42 19 3.0
DSRU - 60/29 60 29 3.0
DSRU - 76/38 76 38 3.0
DSRU - 100/49 100 49 3.0
DSRU - 130/50 130 50 4.0

Note: All dimensions are in mm

Tracking

Technical Data for Heat Shrink Non- Tracking Tubing (Red / Brown)

Property Requirements Test Method
Physical
Specific gravity 1.19 ASTM D 1505/ ISO 1183
Tensile Strength 8N/mm2 (min.) ASTM D 412 / ISO 37
Ultimate elongation 200% (min.) ASTM D 412 / ISO 37
Water absorption (25℃) 0.5% (max.) ASTM D 570
Thermal Ageing
Continuous operating temperature -55℃ to +130℃ IEC 216
Shrink temperature 120℃ (min.) IEC 216
Heat shock (30 min. 200℃) No cracking / No flowing
Heat ageing (168 hrs. 120℃)
Tensile strength 7.0 N/mm (min.) ASTM D 412 / ISO 37
Ultimate elongation 200% (min.)
Low temperature flexibility (-20℃) No cracking ASTM D 2671
Flammability Self extinguishing ASTM D 2671 - B
Electrical Properties
Dielectric strength 10 kV/mm (min.) ASTM D 149 / IEC 243
Volume resistivity 1 x 1012Ω cm (min.) ASTM D 257 / IEC 93
Dielectric constant 3 (min.) To 5 (max.) ASTM D 150 / IEC 250
Tracking erosion resistance No tracking or erosion up to 3.25 kV ASTM D 2303
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