Heat Shrinkable Busbar Insulation Tubing
Features
- Made from specially formulated radiation cross- linked compounds.
- Used to enhance the insulation properties of bus-bar in switchgear and substation.
- Shrink Temperature: 110°C
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Specifications:
Dimension Chart for DBM (Medium wall Bus-bar Tubing)
CODE |
A+B (mm) |
D (mm) |
Min. Thickness |
Standard Length |
Standard Packaging |
(min.) |
(max.) |
(min.) |
(max.) |
After Shrink on Bus Bar |
(m/roll) |
(No of spool) |
DBM - 40/16 |
28 |
45 |
20 |
30 |
1.6 |
20 |
5 |
DBM - 50/20 |
38 |
55 |
25 |
40 |
1.6 |
20 |
4 |
DBM - 75/30 |
45 |
65 |
35 |
50 |
1.6 |
20 |
3 |
DBM - 100/40 |
70 |
110 |
50 |
80 |
1.6 |
20 |
3 |
DBM - 120/50 |
90 |
140 |
60 |
95 |
1.6 |
20 |
2 |
DBM - 150/60 |
120 |
160 |
75 |
120 |
1.6 |
20 |
2 |
DBM - 175/75 |
145 |
185 |
95 |
150 |
1.6 |
20 |
2 |
Dimension Chart for DBT (Thick wall Bus-bar Tubing)
CODE |
As Supplied |
After Recovered |
App. bus-bar |
Standard length |
ø D1 (max.) |
ø D2 (max.) |
T (min.) |
dim. (mm.) |
(m/spool) |
DBT - 15/6 |
15 |
6 |
3.0 |
15*3 |
15 |
DBT - 25/10 |
25 |
10 |
3.0 |
25*4 |
15 |
DBT - 30/12 |
30 |
12 |
3.0 |
35*4 |
15 |
DBT - 40/16 |
40 |
16 |
3.0 |
40*5 |
15 |
DBT - 50/20 |
50 |
20 |
3.0 |
50*5 |
15 |
DBT - 65/25 |
65 |
25 |
3.0 |
65*8 |
15 |
DBT - 75/30 |
75 |
30 |
3.0 |
75*8 |
15 |
DBT - 85/35 |
85 |
35 |
3.0 |
85*10 |
15 |
DBT - 100/40 |
100 |
40 |
3.0 |
100*10 |
15 |
DBT - 120/50 |
120 |
50 |
3.0 |
120*12 |
1000 mm |
DBT - 150/60 |
150 |
60 |
3.0 |
150*15 |
1000 mm |
Technical Data for DBT:
Property |
Requirements |
Test Method |
Tensile Strength |
10 N/mm2 |
ASTM D 2671 |
Longitudinal shrinkage |
0 to – 10% |
ASTM D 2671 |
Elongation at break |
200% |
ASTM D 2671 |
Elongation at break after ageing |
≥ 100% |
ASTM D 2671 / 120℃, 168 hrs. |
Dielectric strength |
≥ 10 kV / mm |
IEC 243 / ENATS 0913 |
Dielectric constant |
2 (min.) To 5 (max.) |
IEC 250 |
Volume resistance |
1012 Ω cm. |
IEC 93 |
Copper corrosion |
120℃, 168 hrs., no corrosion |
ASTM D 2671 |
Cold bend |
-40℃, 4 hrs., no cracking |
ASTM D 2671 |
Water absorption |
≤ 0.5% |
ISO 62 / 23℃, 14 days. |