Littelfuse FLNR040ID
MPNFLNR040ID
40 Amp, 250VAC/125VDC, Time Delay|40 Amp Fuse, Time Delay, Brand or Series: Class RK5, Indicator, Interrupting Rating: 200000 Amp AC RMS Symmetrical, 20000 Amp DC, Terminal Type: Cartridge, Rejection, Dimensions: 13/16 Diameter x 3 Length Inch, Voltage Rating: 250 VAC/125 VDC, Features: Time Delay Dual Element, Visual Trip Indication
$13.83Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Type | Class RK5 |
| Standard | Standard 248-12 UL Listed/CSA |
| Category | Dual Element Fuses |
| Sub brand | POWR-GARD FLNR Series |
| Manufacturer | Littelfuse, Inc. |
| Sub-Category | UL Power Fuse |
| Prop 65 warning | WARNING_CANCER_AND_REPRODUCTIVE_HARM_WWW.P65WARNINGS. |
| Special features | Time-Delay |
| Manufacturer brand | Littelfuse, Inc. |
| Product description | Littelfuse FLNR040ID 250V Indcator Fuse |
| Full technical description | Class RK5 Type; 3 Inch; UL 248-12, CSA, Qpl-Wf-1814, CE Approval; 250 Vac/125 VDC Voltage Rating; 13/16 Inch Diameter; 200000 Ampere (Symmetrical), 20000 Ampere (DC) Interrupting Rating; 40 Ampere Current Rating; Ferrule Terminal Type; Dual Element, Time Delay Characteristics; Powr-Gard [R], Slo-Blo [R] Brand; Includes Indicator; Application Service Entrance Switches, Switchboard Main and Feeder Switches, Motor Control Center Mains and Motor Branch Circuits, Individual Fused Combination Motor Controllers, Distribution Panelboards, Industrial Control Panels, Protection of Fully-Rated Panelboards and Loadcenters, All General Purpose Circuits; FLNR_ID Model |
| Proposition 65 warning | WARNING: This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer. |
MPN
FLNR040ID