Designed for semiconductor protection, Littelfuse L50S450 combines a 450A rating with 500V AC / 450V DC and 200kA @ 500VAC interrupting capability in the L50S high-speed family.
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Configured for circuit protection, Littelfuse L50S450 provides 450A protection at 500V AC / 450V DC with 200kA @ 500VAC; 20kA @ 450VDC capability. The L50S construction is a very fast acting, Class aR semiconductor fuse using bolt-down mounting and bolted tags terminals. Typical use includes power electronics, power supplies, semiconductor protection. Published energy data for this rating includes Pre-arcing 29300 A²s; Total 208000 A²s @ 500VAC / 95000 A²s @ 450VDC. Use the official data sheet to validate coordination, derating and installation details for the application. When substituting, keep the operating speed and body style aligned with the original device.
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