's fuse series
The JTD300 is a fuse series manufactured by Littelfuse. It is a current-limiting, time-delay fuse designed to protect branch circuits, motor loads, and other electronic systems from overloads and short-circuiting. These fuses are UL and CSA rated for 600 volts and up to 300 amperes. They feature a single-pole, non-interchangeable blade design with delayed action. The JTD300 series fuses are available in a variety of mounting styles, including surface-mount, bolt-down, and plug-in designs. These fuses are designed to provide a wide range of temperature, current and voltage protection for critical electronic applications.