C079490 - D600SE42C40QF

Series: Protistor® size 600 aR, 3500 to 4200VDC Square Body High-Speed Fuse Protistor® Size 600 aR 4200VDC IEC 40A With Striker L Brackets Mersen DC high performance power fuses were developed to provide superior protection for railway power circuits. These fuses are typically operated at more elevated temperatures than other fuse types. They have lower I2t to minimize damage to components in case of short circuits, and have lower watts loss and longer life.