FERRAZ SHAWMUT TRM time-delay midget fuses are designed for 250 volt AC applications, offering a wide range of ampere ratings from 1/10 to 30A. Their time-delay feature, providing a 12-second delay at 200% of the rated current, makes them suitable for protecting small motors, transformers, and other devices with high inrush currents. These fuses are compatible with UltraSafe fuse holders and are commonly used in lighting, control, and other 250 volt circuits. They are UL listed and CSA certified, ensuring reliable performance and safety.