Which factor is not considered basic when applying any fuse?

When applying any fuse, the manufacturer's brand name is not a basic factor to consider. The core parameters when selecting a fuse include voltage rating, current rating, and time-delay characteristics, all of which directly impact the fuse's ability to provide adequate overcurrent protection.

The voltage rating of a fuse indicates the maximum voltage the fuse can safely interrupt and is critical to ensure the system operates within safe electrical limits. The current rating defines the amount of electric current the fuse can handle without blowing and is essential for protecting the circuit from excessive current that could lead to overheating or damage.

Time-delay characteristics are important for circuits that may experience temporary overloads, such as motors starting up. A time-delay fuse will allow these brief spikes in current without blowing, ensuring that the equipment operates correctly while still providing protection against sustained overcurrent conditions.

In contrast, the manufacturer's brand name does not influence the electrical performance attributes of the fuse itself; it may have implications for quality or support but is not a technical factor in circuit protection. Therefore, it is not considered basic when applying any fuse.