| Customization: | Available |
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| Usage: | Transport System |
| Material: | Porcelain |
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The Porcelain Drop-Out Fuse is a protective device designed for overhead distribution lines and transformer protection in medium voltage power systems, typically rated between 11kV and 36kV. It is widely used in outdoor installations for its reliable fault isolation and ease of maintenance.
This fuse consists of a porcelain insulator body and a fuse holder (fuse tube) that drops open upon fuse operation, providing clear visual indication of fault interruption. The device is manually operated and allows for easy replacement of the fuse link in the field.
High mechanical strength and durability due to the porcelain insulator
Excellent electrical insulation and weather resistance
Quick fault isolation and reliable protection for transformers and lines
Drop-out mechanism ensures visible indication of blown fuse
Available in various voltage ratings (e.g., 11kV, 15kV, 24kV, 33kV)
The porcelain drop-out fuse is a cost-effective, field-proven solution ideal for utilities and industrial networks requiring outdoor overcurrent protection and disconnection capability.
| 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 |
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