The FLNR Series includes FLNR020, a 20A fuse option. The manufacturer lists 250V AC / 125V DC service together with 200kA AC breaking performance. Its dual-element, current-limiting construction is designed for both overload and short-circuit protection. Package and mounting details are included below; verify final use against the official datasheet.
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The 20A FLNR020 belongs to Littelfuse’s FLNR Series portfolio. Its manufacturer ratings call out 250V AC / 125V DC service and 200kA AC breaking capacity. Its dual-element, current-limiting construction is designed for both overload and short-circuit protection. The package is Class R, using Cartridge / Clip mounting and ferrule / blade (amp-dependent) terminals. Published dimensions are 50.8mm length; 14.3mm max body diameter. Typical applications include Motor, Transformer, Service Entrance, Feeder Circuits, General Purpose. Check the official Littelfuse datasheet before final coordination.
LDC600
600 A · 600 V AC/DC
LDC500
500 A · 600 V AC/DC
LDC450
450 A · 600 V AC/DC
LDC400
400 A · 600 V AC/DC
LDC350
350 A · 600 V AC/DC
LDC300
300 A · 600 V AC/DC
LDC250
250 A · 600 V AC/DC
LDC2000
2000 A · 600 V AC/DC