Copper Busbars Busbar Products Electrical bus bars PVC shrouds
Copper Busbars Busbar Products Electrical bus bars PVC shrouds Copper Busbars Busbar Products Electrical bus bars PVC shrouds Copper Busbars Busbar Products Electrical bus bars PVC shrouds Copper Busbars Busbar Products Electrical bus bars PVC shrouds
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Copper Busbars Busbar Products Electrical bus bars PVC shrouds :
 
Copper Busbars Busbar Products Electrical bus bars PVC shrouds
 
  • Cross linked polyolefin material
  • Anti-Track
  • Reduces Bus bar clearance
  • High dielectric strength
  • Flame retardant
  • Protects against accidental flash overs
  • Halogen free
  • Compliance with ESI 09-11 standard
 
Technical Specifications
 
PROPERTIES
UNIT
VALUE
STANDARD
Tensile Strength
N/mm2
>=12
ASTM D 638
Ultimate elongation
%
>=300
ASTM D 638
Density
gm/cm3
1.20
ASTM D 792
Water absorption
%
<=0.5
ASTM D 570
Longitudnal Shrinkage
%
<=5
ASTM D 2671
shrinkage Temperature
oC
125
-----
Continous Temperature Limit
oC
-40 to +125
-----
Heat shock( 4 hours at 200 oC)
----
No cracking or flowing
ASTM D 2671
Thermal Ageing
----
Max 25 % drop in physical properties
ASTM D 2671
Di-electric Strength
KV/mm
>=20
ASTM D 149
di-electric constant
----
5 (Max.)
ASTM D 150
Volume Resistivity
Cm
>=1014
ASTM D 257
Corrosion
----
Non-corrosive
ASTM D 2671
 
Medium Wall  Bus Tubing
 

Suitable for insulation  of medium voltage Bus bar upto 25 KV to reduce the distance between two phases in switchboards..

  • Standard  length 1000mm and 1200mm

  • Standard colour Red.
 

Code

D Min
(mm)

D Max
 (mm)
         T
      (mm)
BMB 25/8
25
8
2.5
BMB 30/12
30
12
2.5
BMB 40/16
40
16
2.5
BMB 50/20
50
20
2.5
BMB 75/28
75
28
3.0
BMB 100/38
100
38
3.0
BMB 120/42
120
42
3.0
BMB 160/50
160
50
3.0
 
Heavy Wall Bus Tubing
 

Suitable for insulation  of medium voltage Bus bar upto 36 KV to reduce the distance between two phases in switchboards..

Also suitable for insulation of connectors for LV Joints

  • Standard length 1000mm and 1200mm

  • Standard colour Red.

Code

D Min
(mm)

D Max
 (mm)

T    (mm)
BHB 25/8
25
8
3.7
BHB 30/12
30
12
4.0
BHB 40/16
40
16
4.0
BHB 50/20
50
20
4.0
BHB 75/28
75
28
4.0
BHB 100/38
100
38
4.2
BHB 120/42
120
42
4.2
BHB 160/50
160
50
4.5
 

Clearances with Insulation
Voltage

Medium Wall Tube (GMB)

Heavy Wall Tube (GHB)
Ph. to Ph. (mm)
Ph. to gr. (mm)
Ph. to ph (mm)
Ph. to gr.(mm)
15 KV
86
106
55
65
25 KV
114
152
70
100
36 KV
190
280
140
190
 
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