11kV Link Fuse Cutout Data Sheet

1. **System Voltage: **
- Nominal: 11 kV
- Maximum: 12 kV

2. **Design and Performance: **
- Insulation Medium: Air
- Continuous Current Capacity: 100 A
- Interrupting Current: 8 kA (symmetrical)
- BIL: 170 kV (up to 1000 m), 200 kV (>1000 m)
- Creepage Distance: 825 mm
- Power Frequency Withstand Voltage (1 min dry/wet):
- To earth/between poles: 70 kV
- Across isolating distances: 80 kV
- Impulse Withstand Voltage:
- To earth/between poles: 170 kV
- Across isolating distances: 200 kV

3. **Materials and Construction: **
- Support Insulators: Porcelain, glazed brown/grey
- Main Contacts: Copper, Silver Clad
- Cutout for Removable Button Head Fuse Link: Yes
- Current Carrying Parts: Copper/Copper Alloy
- Terminals: Tin Plated
- Ferrous Components: Galvanized
- Load Break Hooks and Arc Interruption: Required

4. **Marking and Testing: **
- Marking on Fuse Tube: Manufacturer, Model, Ratings, Date
- Routine Tests: Required
- Type Test Certificates: Required

5. **Dielectric Withstand Values: **
- Power Frequency Withstand Voltage:
- To earth/between poles: 50, 70 kV
- Across isolating distances: 60, 80 kV
- Impulse Withstand Voltage:
- To earth/between poles: 145/170 kV
- Across isolating distances: 145, 200 kV

6. **Fuse Tube Specifications: **
- Material: Bone Fiber Lined Epoxy Fiber Glass, UV Protection
- Cap: Solid Cap and Single Vented with Arc Shortening Rod

7. **Main Assembly Construction: **
- Single Insulator: 660 mm Creepage Distance

8. **Contacts and Terminals: **
- Silver Clad Contacts with Embossed Surfaces
- Upper Contacts: Corrosion Resistant, Positive Latch
- Lower Contacts: Stainless Steel Springs
- Terminals: Connect ACSR/AW Conductors, Copper Plated, Parallel Groove Type

9. **Insulators: **
- Bird Proof Porcelain, Rigid Connection to Channel Base
- Openings Potted with Inorganic Sulfur Cement

10. **Additional Requirements: **
- Load Break Hooks: Galvanized Steel
- Construction: Suitable for Pole Mounting, Supplied with Fuse Holder and Fuse Link Elements, Current Limiting Type (IEC 60282), 100A Rating

11. **Marking: **
- Fuse Tube Marking: Voltage, Current Rating, Interrupting Current, BIL, Manufacturer, Year, Country

12. **Inspection and Testing: **
- Inspection and Testing by Owner Inspectors or International Inspector
- Inspection Facilities Provided by Supplier
- Manufacturer Oversees Packing and Shipping
- Type Tests Required: Dielectric Tests, Interrupting Capacity, Radio Interference Test, Temperature Rise Tests, Pollution Performance Test, Salt Spray Corrosion Test, Solid Layer Pollution Test, Static Relief Pressure Test, Load Break Tests