WMPG (Heat Shrink Busbar Sleeve)

WMPG (Heat Shrink Busbar Sleeve)Description

Made of cross linked polyolefin
High resistance to tracking, aging and erosion
Used to offer insulation protection for busbar in switchgear and substation
Can be supplied in continuous length
Continuous operation temperature: -45? to 105?
Shrink temperature: start at 110?, and fully recovered at 130?
Color: yellow, red, green, blue, black

Technical Data
Property Test Method Standard Value
Operation Temperature IEC 216 -45? to 105?
Tensile Strength ASTM-D-2671 =10MPa
Elongation at Break ASTM-D-2671 =400%
Tensile Strength after Aging ASTM-D-2671 =8MPa (130?,168 hrs)
Elongation at Break after Aging ASTM-D-2671 =320% (130?,168 hrs)
Dielectric Strength IEC 60243 =25kV/mm
Volume Resistivity IEC 60093 =1×1014O·cm
Dielectric Constant IEC 250 =3.0
Longitudinal Shrinkage ASTM-D-2671 =10%
Eccentricity ASTM-D-2671 =30%
Water Absorption ISO 62 =0.5%
Flammability (Oxygen Index) IEC 4589 =28
Copper Corrosion ASTM-D-2671 No corrosion (130?,168 hrs)
Cold Bend ASTM-D-2671 No cracking (-40?, 4 hrs)
Selection Table (10 kV Heat Shrink Busbar Sleeve)
Product No. As Supplied(mm) After Recovered(mm) Standard Length Suitable for Rectangular Busbar Suitable for Circular Busbar
ID (Min) Wall Thickness ID (Max) Wall Thickness (±10%) (mm) (mm) (mm)
?20 20 1.2 8 2.5 1000 20 15
?25 25 1.2 11 2.5 1000 25 15
?30 30 1.2 13 2.5 1000 30 20
?40 40 1.2 16 2.5 1000 40 25
?50 50 1.3 18 2.7 1000 50 30
?65 65 1.3 28 2.7 1000 65 40
?75 75 1.3 31 2.7 1000 75 50
?85 85 1.3 36 2.7 1000 85 55
?100 100 1.3 42 2.7 1000 100 75
?120 120 1.3 48 2.7 1000 120 85
?150 150 1.3 62 2.7 1000 150 105
?180 180 1.3 73 2.7 1000 180 120
?210 210 1.3 84 2.7 1000 210 130
?230 230 1.2 85 2.7 1000 230 135
?250 250 1.5 102 3.7 1000 250 140
?300 300 1.6 110 3.9 1000 300 160
?350 350 1.2 142 3.0 1000 350 200
?400 400 1.2 160 3.0 1000 400 260
?450 450 1.4 193 3.2 1000 450 300
?500 500 1.2 193 3.2 1000 500 330
Selection Table (20 kV Heat Shrink Busbar Sleeve)
Product No. As Supplied(mm) After Recovered(mm) Standard Length Suitable for Rectangular Busbar Suitable for Circular Busbar
ID (Min) Wall Thickness ID (Max) Wall Thickness (±10%) (mm) (mm) (mm)
?30 30 1.6 12 3.7 1000 30 20
?40 40 1.6 16 3.7 1000 40 25
?50 50 1.6 20 3.7 1000 50 30
?60 60 1.6 25 3.7 1000 60 40
?70 70 1.6 30 3.7 1000 70 45
?85 85 1.5 32 3.7 1000 85 55
?100 100 1.5 40 3.7 1000 100 65
?120 120 1.5 50 3.7 1000 120 80
?140 140 1.5 56 3.7 1000 140 100
?160 120 1.5 64 3.7 1000 160 110
?180 180 1.5 72 3.7 1000 180 130
?200 200 1.5 82 3.7 1000 200 140
?220 220 1.5 88 3.7 1000 220 150
Selection Table (35 kV Heat Shrink Busbar Sleeve)
Product No. As Supplied(mm) After Recovered(mm) Standard Length Suitable for Rectangular Busbar Suitable for Circular Busbar
ID (Min) Wall Thickness ID (Max) Wall Thickness (±10%) (mm) (mm) (mm)
?25 25 2.0 10 4.7 1000 25 15
?30 30 2.0 15 4.7 1000 30 20
?40 40 2.0 17 4.7 1000 40 25
?50 50 2.0 20 4.9 1000 50 25
?65 65 2.0 27 5.2 1000 65 30
?75 75 2.0 30 5.2 1000 75 35
?85 85 2.0 32 5.2 1000 85 40
?100 100 2.0 39 5.2 1000 100 75
?120 120 2.0 50 5.2 1000 120 85
?150 150 2.0 60 5.2 1000 150 105
?180 180 2.2 70 5.5 1000 180 120
?210 210 2.1 82 5.3 1000 210 130