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Offer safeguard for the distribution line network and its equipment like transformers and capacitor banks. Additionally, it can serve as a tool for dividing the network into sections. By utilizing a portable loadbreak instrument, it can work similarly to an overhead line disconnect switch.
The highest acceptable voltage ranges is 11kv.
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The 11kV Fusibles with Load Break – Porcelain Type are designed for safe switching and reliable protection in outdoor high-voltage distribution systems. This 11kV porcelain load break fuse cutout allows operators to interrupt load current safely while the line is energized, reducing outage time and improving operational safety. With excellent insulation performance and strong mechanical strength, the 11kV load break porcelain fuse is widely used in overhead distribution lines and transformer protection.
Load break function enables safe operation under load
Designed specifically for 11kV distribution systems
High-strength porcelain insulator with excellent dielectric performance
Reliable arc-extinguishing performance during switching
Hot-dip galvanized fittings resist corrosion
Clear visible open position improves maintenance safety
Stable mechanical structure for long-term outdoor use
Compatible with standard fuse links
Performs well in polluted and humid environments
Utility-grade design ensures long service life
11kV overhead distribution lines
Pole-mounted transformer primary protection
Outdoor distribution feeders
Utility power distribution networks
Rural electrification projects
Locations requiring frequent load switching
• Mount the 11kV porcelain load break fuse cutout on a pole or crossarm using standard mounting brackets.
• Connect the top terminal to the incoming high-voltage line and the bottom terminal to the outgoing circuit or transformer.
• Install a suitable fuse link according to the rated current requirement.
• Use an insulated operating stick to open or close the fuse cutout safely under load conditions.
• After fault isolation, replace the fuse link and re-close the cutout to restore power.
| Rated Voltage (kV) | BIL (kV) | A (mm) | B (mm) | C (mm) | D (mm) | E (mm) | F (mm) | Leakage Distance (mm) | Weight (kg) |
| 12(15) | 125 | 331.4 | 169.3 | 202.4 | 462.8 | 124.9 | 412.8 | 325.1 | 6.58 |
| 24(27) | 125 | 341.4 | 179.3 | 202.4 | 462.8 | 134.9 | 412.8 | 325.1 | 6.58 |
| 24(27) | 150 | 341.4 | 179.3 | 202.4 | 462.8 | 134.9 | 412.8 | 457.2 | 9.08 |
| 24(33) | 200 | 435.1 | 187.5 | 261.1 | 548.4 | 165.1 | 522.2 | 665.5 | 10.1 |
| 24(36) | 200* | 435.1 | 187.5 | 261.1 | 548.4 | 165.1 | 522.2 | 769.6 | 10.4 |
Manufactured in compliance with IEC / ANSI standards
100% electrical, mechanical, and load break performance testing
Strict inspection of porcelain insulation quality
Galvanized fittings tested for corrosion resistance
Stable performance verified for outdoor environments
Q1: What does “load break” mean for this fuse cutout?
A1: It means the fuse cutout can safely interrupt current while the circuit is energized.
Q2: Is this product suitable for 11kV systems only?
A2: It is specifically designed and optimized for 11kV distribution networks.
Q3: Can porcelain withstand outdoor weather conditions?
A3: Yes, porcelain offers excellent weather and aging resistance.
Q4: Is it suitable for transformer protection?
A4: Yes, it is commonly used for pole-mounted transformer primary protection.
Q5: How often should it be inspected?
A5: Routine inspection every 6–12 months is recommended.
