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The 12kV Fusibles with Load Break – Porcelain is designed for protection and switching of medium voltage distribution systems. This 12kV porcelain load break fuse cutout allows safe interruption of load current while providing reliable overcurrent and short-circuit protection.
Manufactured with high-strength porcelain insulation, the porcelain load break fuse cutout offers excellent electrical insulation, mechanical strength, and weather resistance. It is widely used on overhead distribution lines and pole-mounted equipment as a dependable 12kV distribution fuse cutout.
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 15kv.
Load break capability for safe switching operations
High-quality porcelain insulation with excellent dielectric strength
Strong mechanical strength for outdoor installations
Reliable protection against overload and short circuit
Good resistance to weather, pollution, and UV exposure
Visible open position for easy line isolation
Long service life with stable performance
Widely used in utility power distribution networks
| 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 |
12kV overhead distribution lines
Pole-mounted transformers and equipment protection
Medium voltage distribution networks
Outdoor switching and protection points
Utility and rural power systems
• Select the correct 12kV porcelain load break fuse cutout according to system voltage and current rating.
• Mount the fuse cutout securely on the pole or structure.
• Connect the line conductor to the upper terminal and the protected equipment to the lower terminal.
• Use a hot stick to perform load break operation safely.
• Replace the fuse link after operation if necessary and restore service.
High-strength porcelain insulators
Precision manufacturing and assembly
Electrical and mechanical performance testing
Load break operation verification
Final inspection before shipment
Q1: What is a 12kV porcelain load break fuse cutout used for?
A1: It is used for protection and load switching in medium voltage distribution systems.
Q2: Can this fuse cutout interrupt load current?
A2: Yes, it is designed for safe load break operation.
Q3: Is it suitable for outdoor installation?
A3: Yes, the porcelain housing provides excellent outdoor performance.
Q4: How is the fuse cutout operated?
A4: It is operated using an insulated hot stick.
Q5: Does it provide visible isolation?
A5: Yes, the open position is clearly visible for safety.
