Littelfuse KLKR03.5 pairs a 3.5A current rating with 600V AC / 300V DC operation in the KLKR Series. Electrical protection is based on fast-acting Class CC fuse behavior and 200kA AC interrupting capability. Use the Littelfuse datasheet to verify final circuit suitability.
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Part KLKR03.5 from the Littelfuse KLKR Series is specified at 3.5A and 600V AC / 300V DC. Mechanically it uses a 10×38mm format for cartridge / clip installation; electrically it is rated to interrupt 200kA AC. Published dimensions for this rating/configuration are 38.1 × 10.3mm body; 47.8mm overall. Class CC rejection features help prevent substitution with lower-voltage or lower-interrupting-capability fuses in matching holders. The listed application set includes Control Circuits, General Loads, Branch Circuit Protection, Solid-State Components; final coordination should follow UL 248-4 and Littelfuse documentation.
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