Littelfuse FLNR400
MPNFLNR400
400A, 250VAC/125VDC, Class RK5 Time Delay Fuse|400 Amp Fuse, Rejection, Brand or Series: Class RK5, Interrupting Rating: 200000 Amp VAC RMS Symmetrical, 20000 Amp VDC, Terminal Type: Blade, Rejection, Dimensions: 2 3/32 Diameter x 8 5/8 Length Inch, Voltage Rating: 250 VAC/125 VDC, Features: Time Delay, Dual Element
$12.50Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Series | FLNR |
| Equivalent series | ECNR, FLNR, FRN-R, TR-R |
| Equivalent brand and series | Bussmann FRN-R; Edison ECNR; Littelfuse FLNR; Mersen TR-R |
| Compatible fuse block series | LFR |
| AC voltage rating | 250V AC |
| DC voltage rating | 125V DC |
| Body material | Fiberglass |
| Standards | CE; CSA Certification; QPL-W-F-1814; UL 248-12 Class RK5 |
| Amps | 400 A |
| Brand | LITTELFUSE |
| Class | RK5 |
| Speed | Time Delay |
All specifications
| Parameter | Value |
|---|---|
| Length | 8-5/8 in |
| Element | Dual |
| Diameter | 2-3/32 in |
| Fuse size | 8-5/8 in L x 2-3/32 in dia |
| Body style | Blade |
| Interrupt rating | 200kA at 250V AC; 20kA at 125V DC |
| Visual indication | Nonindicating |
| Fits fuse block style | Rejection |
MPN
FLNR400