Heat Shrink Right Angle / Straight Boots
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Angleboots are Heat Shrink Right Angle / Straight Boots provide insulation to the bushings in the cable termination box, where the clearance between phase to phase and phase to earth is less then the normal air clearance. These boots provide protection against flashover in the event of high humidity, rodent menace and surge impulse.
The boots are mode from high quality cross linked non tracking polyolefin material. They are internally coated with water resistant red mastic.
Diagram
SELECTION CHART – RIGHT ANGLE BOOT
SELECTION CHART – RIGHT ANGLE BOOT
| Code | D | d | P | R | T | ||
|---|---|---|---|---|---|---|---|
| S | F | S | F | S | F | F | |
| (min) | (max) | (min) | (max) | (min) | (min) | +/-10% | |
| GRB – 1 | 78 | 35 | 34 | 16 | 160 | 130 | 4.0 |
| GRB – 2 | 78 | 37 | 52 | 27 | 170 | 140 | 4.5 |
| GRB – 2A | 90 | 37 | 67 | 27 | 170 | 140 | 4.5 |
| GRB – 3 | 145 | 72 | 67 | 34 | 170 | 150 | 4.5 |
SELECTION CHART – STRAIGHT BOOT
SELECTION CHART – STRAIGHT BOOT
| Code | D | d | A | L | B | T | ||
|---|---|---|---|---|---|---|---|---|
| S | F | S | F | F | F | F | F | |
| (min) | (max) | (min) | (Max) | (min) | (min) | (min) | (+/-10%) | |
| GSB – 1 | 80 | 34 | 34 | 21 | 140 | 225 | 30 | 3.6 |
| GSB – 2 | 80 | 35 | 57 | 22 | 140 | 225 | 30 | 3.6 |
| GSB – 2A | 100 | 36 | 57 | 22 | 140 | 225 | 30 | 3.6 |
| GSB – 3 | 140 | 65 | 90 | 33 | 155 | 250 | 40 | 4.0 |
D,d : Internal Diameter ; s : as supplied ; f : after free recovery ; Tb,Tc : Thickness of body & core
Technical Specification
Technical Specification
| Properties | Value | standard | |
|---|---|---|---|
| Physical | |||
| Tensile Strength | 12 N/mm² (MPa) (Min.) | ASTM D638 | |
| Ultimate Elongation | 350% (Min.) | ASTM D638 | |
| Density | 1.15 ± 0.2 gm/cm³ | ASTM D792 | |
| Hardness | 45 ± 10 Shore D | ASTM D2240 | |
| Water Absorption | 0.5% (Max.) | ASTM D570 | |
| Thermal | |||
| Accelerated Ageing | (120°C for 500 Hrs) | ASTM D2671 | |
| Tensile Strength | 11 N/mm² (MPa) (Min.) | ASTM D638 | |
| Ultimate Elongation | 300% (Min.) | ASTM D638 | |
| Low Temperature Flexibility (-40°C for 4 Hrs.) | No Cracking | ASTM D2671 | |
| Heat Shock (250°C for 30 Min.) | No Cracking or Flowing | ESI 09-11 | |
| Shrink Temperature | 125°C | IEC 216 | |
| Continuous Temperature Limit | -40°C to +100°C | IEC 216 | |
| Electrical | |||
| Dielectric Strength | 15 KV/mm (Min.) | ASTM D149 | |
| Volume Resistivity | 1 × 1014 Ohm·cm (Min.) | ASTM D257 | |
| Dielectric Constant | 5 (Max.) | ASTM D150 | |
| Resistance to Tracking & Erosion | No tracking, erosion or flame failure up to 3.25 KV for 20 min. | ASTM D2303 | |
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