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FSC-18-2 Drop Out Fuse Cutout
Product Overview
Product Overview
The FSC-18-2 Drop Out Fuse Cutout is an overcurrent protection device designed for 24~27kV overhead distribution systems. It safeguards transformers, capacitors, cables, and distribution lines against damage caused by short circuits and overload conditions. When a fault occurs, the fuse link melts and the fuse tube drops out, providing a visible isolation break. Constructed with high-quality brass, silver or tin-plated copper conductive parts, and porcelain or polymer insulators, this cutout complies with IEC60282-2 and delivers reliable performance in outdoor environments.
Fuse Cutout Structure
Fuse Cutout Structure
The fuse cutout features a robust main bearing structure designed to withstand mechanical stress and ensure long-term operational stability. It integrates the upper and lower contact assemblies with the main load-bearing framework, providing reliable support for the fuse tube and ensuring proper alignment during operation and dropout action.

Fuse Cutout Accessories
Fuse Cutout Accessories
The cutout comes complete with a lower general bearing assembly, an arc extinguishing housing, an American-type knife-blade fusible load, and a 300A fusible load, providing all essential components for installation and reliable operation.

Technical parameter
Technical parameter
| Electrical characteristics | Specification | Unit |
| Voltage | 24~27 | KV |
| Current | 100/200/300 | A |
| Frequency | 50/60 | Hz |
| Power frequency withstand voltage to earth (1 min) | 50 | KV |
| Power frequency withstand voltage phase to phase (1 min) | 60 | KV |
| Impulse voltage to earth | 150 | KV |
| Impulse voltage phase to phase | 160 | KV |
| Breaking current | 8 | KA |
| Creepage distance: | 520 | mm |
| Spare parts | |
| Mounting bracket | with/without |
| Arc shortening rod | with/without |
| Arc distinguish chamber | with/without |
| Fuse link | without |
| Material | |
| Copper content for brass | Brass (60~62%) |
| Conductive parts material | Copper with silver plated/Copper with tin plate |
| Insulator | Porcelain/Polymer |
| Fuse tube | Fiber glass |
| Service conditions | ||
| Environment maximum temperature | 40 | ℃ |
| Pollution level | II | |
| Altitude | ≤1000 | Meter |
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