What is another name for a non-time delay fuse?

A non-time delay fuse is commonly referred to as an instantaneous fuse. This type of fuse is designed to blow immediately when the current exceeds its rated value, offering no delay in its response. Instantaneous fuses are often used in applications where a rapid disconnection is necessary to protect sensitive equipment from current surges or faults.

In contrast, time-delay fuses allow for temporary overloads before melting, which means they can tolerate short spikes in current without blowing. Single element fuses, while they do provide immediate response characteristics akin to instantaneous fuses, specifically focus on the one-element design that is seen in various fuse types. However, the term "instantaneous" is more explicitly aligned with the behavior of these fuses in response to overcurrents, making "instantaneous fuses" the more precise terminology for non-time delay fuses.

Therefore, recognizing the terminology associated with fuses and their operational characteristics is vital for understanding how they function in circuit protection.