Intended for semiconductor protection, Littelfuse L50S030 combines a 30A rating with 500V AC / 450V DC and 200kA @ 500VAC interrupting capability in the L50S high-speed family.
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For maintenance and design review, Littelfuse L50S030 provides 30A 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 cartridge / clip mounting and ferrule terminals. Typical use includes power electronics, power supplies, semiconductor protection. Published energy data for this rating includes Pre-arcing 77 A²s; Total 820 A²s @ 500VAC / 193 A²s @ 450VDC. Check ambient derating and available fault current against the manufacturer data before final selection. When substituting, keep the operating speed and body style aligned with the original device.
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