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The 15kV Fusible Load Break Porcelain Fuse is engineered for high-voltage electrical distribution systems where reliable interruption capability and circuit safety are required. The load break mechanism allows operators to safely disconnect energized lines using a hot stick, making it suitable for live switching and protection tasks. Constructed from high-strength porcelain and corrosion-resistant metal components, this fuse cutout provides dependable insulation, mechanical durability, and long-term stability in outdoor installations.
• Supports live load switching using standard hot-stick tools
• Strong porcelain insulation for outdoor and high-voltage environments
• Provides fast and reliable fault isolation
• Designed for long-term corrosion and weather resistance
• Enhances safety and operational continuity in distribution networks
The 15kV Load Break Porcelain Fuse is widely used in:
Overhead distribution feeders – Installed to protect circuits and disconnect faulted segments.
Rural or suburban utility networks – Ensures safe service continuity and maintenance access.
Transformer protection points – Prevents overload or short-circuit damage to pole-mounted transformers.
Branch line switching locations – Enables controlled switching without power interruption.
Harsh climate or corrosive areas – Suitable due to porcelain’s pollution resistance and stable electrical properties.
| 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 |
Q1: Can this fuse be operated under load?
A1: Yes, it is designed for live-load switching using a hot stick.
Q2: What voltage rating does it support?
A2: This model is rated for 15kV overhead distribution systems.
Q3: Does the porcelain body resist contamination and weathering?
A3: Yes, it is pollution-resistant and suitable for outdoor long-term exposure.
Q4: Is it compatible with pole-mounted transformers?
A4: Yes, it is commonly used as a transformer protection fuse.
