MPRS-LV
Busbar heat shrink tube for switchgear insulation
Description
Low Voltage Heat shrink busbar sleeve, a kind of continuous tube shape material made of radiation cross-linked polyolefin, carry excellent insulating performance. Typical applications include insulation of electrical bus bar rated up to 1KV or higher voltage ratings, rectangular, square and round bus bars, inline bolted connections of rectangular bus bars, copper or aluminum bus bars, metal-clad switchgear, metal-enclosed bus bar, substation switchgear etc.
Features
Shrink ratio: 2:1
Tracking resistant, low smoke emitting, high strength, flexible, flame retardant
Min. shrink temperature: ≥84degree
Min. full recovery temperature: ≥120degree
Continuous operating temperature: -55-125degree
RoHS compliant
Standard colors: Red, yellow, green and other colors available on your request
Technical Data
Property |
Typical Data |
Test Method |
| Tensile strength |
≥8.0MPa |
ASTM D 2671 |
| Elongation at break |
≥300% |
ASTM D 2671 |
| Tensile strength after heat ageing |
≥6.9MPa |
130degree×168h |
| Elongation after heat ageing |
≥100% |
130degree×168h |
| Longitudinal change |
-8%~+8% |
ASTM D 2671 |
| Flammability(Oxygen index) |
≥28 |
GB/T 2406 |
| Heat Shock |
No cracking |
JB 7829 supplement D |
| Dielectric Strength |
≥20kv/mm |
ASTM D 149 |
| Shore A Hardness |
≤90 |
GB2411 |
| Volume resistivity |
≥10 14 Ω.cm |
IEC 60093 |
Dimensions
| Size |
As Supplied D* ( Min. ) |
As Supplied D* ( Min. ) |
Standard package
m/spool |
| D d*(Max.) |
W *(Min.) |
| Φ30.0/15.0 |
31.5±1.0 |
≤15.0 |
1.00±0.15 |
50 |
| Φ35.0/17.5 |
36.5±1.0 |
≤17.5 |
1.00±0.15 |
50 |
| Φ40.0/20.0 |
41.5±1.0 |
≤20.0 |
1.00±0.15 |
50 |
| Φ50.0/25.0 |
≥50 |
≤25.0 |
1.10±0.15 |
25 |
| Φ60.0/30.0 |
≥60 |
≤30.0 |
1.20±0.15 |
25 |
| Φ70.0/35.0 |
≥70 |
≤35.0 |
1.30±0.15 |
25 |
| Φ80.0/40.0 |
≥80 |
≤40.0 |
1.30±0.20 |
25 |
| Φ90.0/45.0 |
≥90 |
≤45.0 |
1.30±0.20 |
25 |
| Φ100/50.0 |
≥100 |
≤50.0 |
1.30±0.20 |
25 |
| Φ120/60.0 |
≥120 |
≤60.0 |
1.30±0.20 |
25 |
| Φ150/75.0 |
≥150 |
≤75.0 |
1.30±0.20 |
25 |
| Φ180/90.0 |
≥180 |
≤90.0 |
1.30±0.20 |
25 |
| Φ210/105.0 |
≥210 |
≤105.0 |
1.30±0.30 |
25 |
| Φ230/115.0 |
≥230 |
≤115.0 |
1.30±0.30 |
25 |
| Φ250/125.0 |
≥250 |
≤125.0 |
1.30±0.30 |
25 |
| Φ300/150.0 |
≥300 |
≤150.0 |
1.30±0.30 |
25 |
Packing
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