Littelfuse FLSR.400
MPNFLSR.400
Littelfuse FLSR.400|fuses, Rejection, Brand Or Series: Class Rk5, Current Rating: 4/10 Amp, Interrupting Rating: 200000 Amp Vac Rms Symmetrical, 20000 Amp Vdc, Terminal Type: Cartridge, Rejection, Dimensions: 13/16 Diameter X 5 Length Inch, Voltage Rating: 600 Vac/300 Vdc, F
$24.92Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Series | FLSR |
| Equivalent series | ECSR, FLSR, FRS-R, TRS-R |
| Equivalent brand and series | Bussmann FRS-R; Edison ECSR; Littelfuse FLSR; Mersen TRS-R |
| Compatible fuse block series | LFR |
| AC voltage rating | 600V AC |
| DC voltage rating | 300V 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 | 11-5/8 in |
| Element | Dual |
| Diameter | 2-19/32 in |
| Fuse size | 11-5/8 in L x 2-19/32 in dia |
| Body style | Blade |
| Interrupt rating | 200kA at 600V AC; 20kA at 300V DC |
| Visual indication | Nonindicating |
| Fits fuse block style | Rejection |
MPN
FLSR.400