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S1-1 Low voltage busbar insulation heat shrinkable sleeve

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Busbar insulation heat shrink products for power switchgear
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Size specification

 

Introduction        
The environmentally friendly flame retardant polyolefin material can be used in 0.6~1.2kV power switch cabinets to provide insulation enhancement and protection against flashover or accidental induced discharge. Particularly suitable for switch cabinets where space is limited, it can be used for round and rectangular copper or aluminum busbars.

 

Features        
Operating temperature: -40~105 ℃        
Voltage level: 0.6~1.2 kV        
Halogen-free and environmentally friendly, RoHS compliant        
Minimum full shrinkage temperature: 125 ℃        
Shrink ratio: 2.5:1 & 3:1        
Standard color: black        
UL224 approval：E341796        

 

Technical Data    
Property Test Method Value
Tensile Strength ASTM D2671 ≥14 MPa
Breakdown elongation ASTM D2671 ≥400%
Aging(136℃/168h)   
Tensile Strength
Breakdown elongation		 ASTM D2671
≥11 MPa
≥300%
Water absorption (23℃/336h) ASTM D570 ≤1.0%
Low temperature flexibility (-40℃/4h) ASTM D2671 No cracks
Heat shock(200℃/4h) ASTM D2671 No dripping, no dripping, no cracking
Dielectric strength ASTM D2671 ≥18 kV/mm
Volume resistivity ASTM D2671 ≥1.0×1013 Ω·cm
Anti-tracking ASTM D2303 2.5 kV，1h or
2.75 kV，1h
flame retardancy ANSI C37.20
IEEE-27		 No continuous burning phenomenon and self-extinguishing within 60S after removing the flame
smoke density IEC 61034 ≤120
铜腐蚀(150℃/168小时) IEC 60684-3-283 Pass

 

Dimension                
Size As supplied(mm) After shrink (mm) standard length Rectangular busbar L+T(mm) round busbar D(mm)
S1-1 Inner Diameter（Min.） Inner Diameter（Max.） Wall thickness（common） m/roll Min. Max. Min. Max.
Shrink ratio 2.5:1                
15/6 15 6 1.5 30  12 18 6.5 12
30/12 30 12 1.6 30  17 39 11 25
50/20 50 20 1.6 30  36 65 22 43
75/30 75 30 1.6 30  39 86 27 55
100/40 100 40 1.6 30  59 117 38 75
120/50 120 50 1.6 30  70 150 44 90
150/50 150 50 1.6 30  89 157 55 100
175/70 175 70 2.5 30  117 190 75 120
235/105 235 105 2.5 30  190 280 120 180
Shrink ratio 3:1                
30/10 30 10 1.8 30  17 39 11 25
75/25 75 25 2.0 30  39 86 27 55
100/35 100 33 2.2 30  59 117 38 75
120/40 120 40 2.5 30  70 150 44 90
150/50 150 50 2.5 30  89 157 55 100

 

Product diagram

 

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S1-1 Low voltage busbar insulation heat shrinkable sleeve
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S1-35 Flame Retardant Busbar Insulation Heat Shrinkable Sleeve
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S1-A Overhead lined over for insulation

Contact

Address: Tangjia Industrial Park, Shihe Street, Puwan New District, Dalian
Tel： 0411-87166661 87166662    0411-87166663 87166665

International line：  +86-411-87166669

E-mail： upolymer@upolymer.com 

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