Intro:
In electrical distribution systems, reliable protection components are essential to maintaining safe, stable power operations. One key element in medium-voltage transformer protection is the isolation link — a fuse-type device that provides crucial backup protection in fault conditions.
What It Is:
An isolation link (also called a protective fuse link or current-limiting link) is installed in series with a main fuse in transformer circuits. It is designed to disconnect power quickly under fault conditions, protecting equipment from internal damage and isolating the affected section.
How It Works:
When a severe fault occurs, the isolation link opens the circuit, stopping current flow and preventing further damage. This helps utilities and engineers maintain system reliability and reduce risk of larger outages.
Why It’s Important:
- Protects transformers from internal faults
- Supports safety and maintenance operations
- Works with other protection devices to secure the grid
- Reduces downtime after fault events
At Kval Electric, we provide technical guidance and quality components — including isolation links — to support safe, effective electrical distribution systems.
Contact us to request a technical quote or learn how isolation links can protect your assets.
Email: sales@kvalelectric.com