________ provide equipment protection for transformers, lines, cables, and capacitor banks.

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Circuit switchers are designed to both switch and interrupt current, allowing protection and safe isolation of downstream equipment. When a fault occurs on a feeder, a circuit switcher can open to interrupt the fault current, protecting transformers, lines, cables, and capacitor banks from damage. They’re built to handle high fault currents and are often coordinated with protective relays to clear faults quickly while minimizing interruption to other parts of the system. This combination of switching capability and interrupting protection makes them the device that provides equipment protection for those four types of assets.

Fuses protect by melting under overload but don’t offer the switching control needed to protect multiple pieces of equipment in a coordinated way. Circuit breakers provide protection through automatic tripping but are more about interrupting faults with a separate switching device. Reclosers focus on restoring service after transient faults on feeders rather than directly protecting specific equipment like transformers and capacitor banks.