AMTStandards.orgAviation maintenance

Slow-blow fuse

An electrical fuse that allows a large amount of current to flow for a short length of time but melts to open the circuit if more than its rated current flows for a longer period.

Aviation Maintenance Technician Handbook — Airframe, p. G-32

Also defined in 1 more source

A special type of electrical circuit protection device that allows a momentary flow of excess current, but opens the circuit if the excessive flow is sustained.

Aviation Maintenance Technician Handbook — Powerplant, p. G-25