Fiberlite™ Fiberglass Insulator Brackets
|
CAT.
NO. |
A |
B |
C |
D |
E |
F |
|
HB-67-08 |
8
3/4 |
12 |
4 |
9/16 |
15 |
3 |
|
HB-67-14 |
14 |
18 |
6 |
9/16 |
21 |
4 |
FIBERGLASS
INSULATOR BRACKETS
ADVANTAGES:
-
LIGHT WEIGHT
-
LESS INSTALLATION TIME
-
IMPROVED ELECTRICAL IMPULSE AND LEAKAGE CHARACTERISTICS
-
LESS RIGHT-OF-WAY CLEARANCE
-
LESS TREE TRIMMING COSTS
-
REDUCED POLE FIRES FROM 60 CYCLE LEAKAGE CURRENT
-
LESS STORAGE ROOM
-
EASIER FOR LINEMAN TO WORK
-
ELIMINATED THE NEED FOR CROSSARM METAL GAINS
-
GRAY COLOUR BLENDS WITH SKY
TECHNICAL
DATA
MATERIAL
The Fiberlite
Bracket is made by compression molding a mixture of non-directional
chopped glass fiber and inorganic filled polyester resin.
WEIGHT
HB-67-08
Approx. 2.8lbs.
HB-67-14
Approx. 6.5lbs.
WATER
ABSORPTION
|
TOTAL
ELAPSED TIME IN HOURS |
PERCENT
INCREASE IN WEIGHT |
|
24 |
.07 |
|
48 |
.105 |
(water at 80°
F)
WEATHERING
After
fifteen years of use there is no change in appearance or characteristics.
Each bracket is coated with acrylic resin for longer life.
FLAME
RESISTANCE
When exposed to Bunsen Burner flame at 1500°F. for 45 seconds, flame self-extinguished in 5 seconds. At 60 second exposure to same flame required 30 seconds to self extinguish.
MINIMUM
ULTIMATE LOAD
Catalogue
No.
Vertical
HB-67-08
1000 lbs.
HB-67-14
1500 lbs.
ARC
RESISTANCE
SIXTY CYCLE TESTS
|
|
|
|
WITHSTAND |
|
FOR
HB-67-08 |
ATMOSPHERE |
FLASHOVER |
VALUE |
|
|
|
(KILOVOLTS) |
(KILOVOLTS) |
|
With
20 kV Line Post Insulator |
DRY |
127.3 |
117.5 |
|
(3
Skirt) |
WET |
90.9 |
80.4 |
|
7.2kv
Pin Type Insulator |
DRY |
119.0 |
108.2 |
|
&
Steel Pin |
WET |
63.7 |
55.5 |
Test
performed in accordance with ANSI Specifications C29.1 - 1967
CRITICAL
1 1/2 X 40 MICRO SECOND IMPULSE FLASHOVER
|
|
CRITICAL
IMPULSE FLASHOVER |
|
|
FOR
HB-67-08 |
POSITIVE |
NEGATIVE |
|
With
20kV line Post
Insulator |
210 |
227 |
|
7.2kV
Pin Type Insulator
& Steel Pin |
208 |
212 |
