Insulation Boot for Circuit Breaker Product
Insulation Boot for Circuit Breaker Application
Insulation Boot for Circuit Breaker is electrrical insulation boots ,designed to insulate Draw-Out Circuit Breakers in MV/HV Power Plant & Substations .This pliable tubes can be installed ,removed or replaced in few minutes. The bots are manufactured from high quality Non-tracking Cross-linked Polyolefin material to provide excellent electrical insulation and to withstand higher operating temperature continuously.Meets ANSI C37.20.2 standards.
Technical Qualification Report : QR 1040
| PROPERTIES | VALUE | STANDARD |
|---|---|---|
| Physical | ||
| Tensile Strength | 12 N/mm2 (Mpa) (min.) | ASTM D638 |
| Ultimate Elongation | 300 % (min) | ASTM D638 |
| Density | 1.20 ± 0.2 gm/cm3 | ASTM D792 |
| Hardness | 45 ±10 Shore D | ASTM D2240 |
| Water absorption | 0.5 % (max.) | ASTM D570 |
| Thermal | ||
| Accelerated ageing | (120oC for 168 hrs) | ASTM D2671 |
| a. Tensile Strength | 10 N/mm2 (Mpa) (min.) | ASTM D638 |
| b. Ultimate Elongation | 250 % (min.) | ASTM D638 |
| Low Temperature Flexibility | No Cracking | ASTM D2671 |
| (-40o C for 4 hrs.) | ||
| Heat Shock (250oC for 30 min.) | No cracking or flowing | ESI 09-11 |
| Shrink temperature | 125oC | IEC-216 |
| Continuous Temperature Limit | -40 to +105oC | IEC 216 |
| Electrical | ||
| Dielectric Strength | 22 KV/mm.(min) | ASTM D149 |
| Volume Resistivity | 1 x 1014 Ohm.cm (min) | ASTM D257 |
| Dielectric constant | 5 (max.) | ASTM D150 |
| Resistant to track & erosion | No Tracking, erosion or ASTM flame failure up to 3.25 KV for 20 min. | ASTM D2303 |
| Technical Qualification Report : 1036 | ||