Fuse cutouts, also known as drop-out fuses, serve as both a switching device and a protective device in overhead distribution lines.
They provide reliable overcurrent protection for distribution transformers and feeders. When a fault occurs, the fuse element melts, causing the fuse door to drop down, providing clear visual indication of the fault and isolating the faulty section.
Features of Our Fuse Cutouts:
- Clear Visual Indication: Drop-out action confirms fuse operation.
- Weather-Resistant Housing: Porcelain or polymer body for outdoor durability.
- High Breaking Capacity: Safely interrupts fault currents.
- Load-Breaking Capability: Can be used to safely interrupt load currents for maintenance.
- Easy Fuse Link Replacement: Simple to re-fuse after operation.
Typical Applications:
- Protection of Distribution Transformers
- Sectionalizing Feeders
- Branch Line Protection
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cutout fuse
Our cutouts have an interrupting rating of 12.5kA. Fuse links are available from 1A to 200A to protect a wide range of distribution transformers and line sections.
The mechanism is precisely calibrated and tested to ensure reliable drop-out upon fuse blowing, providing a clear visual indication of the faulted section and facilitating quick isolation.
Yes, all current-carrying contacts and the fuse holder are made of high-conductivity, corrosion-resistant copper or aluminum alloy to ensure stable performance over decades outdoors.
Yes, the fuse holder (door) is designed with standardized hooks and rings for easy and safe operation using standard hot-line sticks, allowing for live switching.
Yes, we provide full TCC curves for all our fuse links, which are essential for proper coordination with upstream and downstream protection devices.