Insulation Boot for Circuit Breaker
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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.
Features & Benefits
- Prevents Draw-Out Circuit Breakers from chemical corrosion effected by strong acid,alkali,salt,etc.
- Halogen Free,Flame Retardant.
- high Di-electric strength.
- Highly resistent to UVrays and Ozone.Good for outdoor or indoor applications .
- Protectors against accidental flash-overs.
- Easy to install or remove as often as required.
- Complete with fastners.
Diagram
Selection Chart
| Voltage | Thickness |
|---|---|
| 12 kV | 1.8 mm |
| 18 kV | 2.2 mm |
| 24 kV | 2.8 mm |
| 28 kV | 3.3 mm |
Technical Specification
| 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 | (120°C 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 (-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 +105°C | 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 flame failure up to 3.25 KV for 20 min. | ASTM D2303 |
Certificates
FAQs
1. What is a Screened Separable Connector?
A Screened Separable Connector is a medium-voltage cable accessory used to connect power cables to transformers, switchgear, or other equipment. It is fully screened and separable, allowing safe installation, disconnection, and maintenance.
2. What voltage levels are Screened Separable Connectors used for?
They are commonly used for 3.6 kV to 36 kV medium-voltage applications, depending on the connector design and standards.
3. Where are Screened Separable Connectors typically used?
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