Littelfuse 30EV High-Voltage Fuses are bolt-down HV fuses with diffusion pill technology for predictable time-delayed circuit protection in high-voltage, high-current automotive systems. These Littelfuse 30EV fuses include M8 and M6 versions and ensure overcurrent protection to branch circuits in electric vehicles (EVs) and hybrid passenger vehicles. These bolt-down fuses come in industry-standard footprints and offer a 500VDC voltage rating, a 30kA at 500VDC interrupting rating, and a -40°C to +125°C operating temperature range.