Littelfuse L75QS500 500A 750V DC High-Speed Fuse
● Contact for AvailabilityLittelfuse L75QS500 delivers very-fast-acting 500A protection at 750V DC in a bolted round-body format.

Littelfuse L75QS500 delivers very-fast-acting 500A protection at 750V DC in a bolted round-body format.
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Littelfuse L75QS500 is a 500A L75QS high-speed fuse rated 750V DC for semiconductor and power-conversion applications. The current-limiting round-body design carries a 50kA DC interrupting rating, with 42747 A²s pre-arcing I²t and 132252 A²s total clearing I²t. Review the official technical sheet when finalizing circuit protection selection. For cross-reference work, compare its interrupting rating before the approval status, and verify the current rating against the Littelfuse technical sheet.