Littelfuse

Littelfuse L75QS450 450A 750V DC High-Speed Fuse

Name: Littelfuse L75QS450 450A 750V DC High-Speed Fuse
Brand: Littelfuse
SKU: L75QS450

Part Number: L75QS450

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L75QS450 is a 450A 750V DC L75QS high-speed fuse for converters, UPS systems and DC common-bus protection.

Rated Current450A

Rated Voltage750V DC

Breaking Capacity50kA @ 750VDC

PackageTraditional Round Body

Tags

450A 750V DC High-Speed DC Fuse L75QS Series L75QS450 Littelfuse

Littelfuse L75QS450 is a 450A 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 38946 A²s pre-arcing I²t and 119606 A²s total clearing I²t. Confirm system-level suitability against the manufacturer technical data. For cross-reference work, compare its interrupting rating before the package configuration, and verify the series designation against the Littelfuse technical sheet.