Littelfuse NLS400
MPNNLS400
Ul Class K5 "one-time" Fuse|fuses, General Purpose, Brand Or Series: Class K, One Time, Terminal Type: Blade, Voltage Rating: 600 Vac/500 Vdc, Current Rating: 400 Amp, Interrupting Rating: 50000 Amp Vac Rms Symmetrical, Dimensions: 2 19/32 Diameter X 11 5/8 Length Inch, Features: Lo
$224.00 – $367.45Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Type | Class K5 |
| Standard | Standard 248-9 UL Listed/CSA |
| Category | Renewable & Non-Renewable Fuses |
| Sub brand | POWR-GARD NLS Series |
| Manufacturer | Littelfuse, Inc. |
| Sub-Category | UL Power Fuse |
| Prop 65 warning | WARNING_CANCER_AND_REPRODUCTIVE_HARM_WWW.P65WARNINGS.CA.GOV |
| Special features | Economical/low interrupt |
| Manufacturer brand | Littelfuse, Inc. |
| Product description | Littelfuse NLS400 600V Class K5 Fuse |
| Full technical description | Class K5 Type; 11-5/8 Inch; UL 248-9, CSA, CE Approval; 600 Vac/500 VDC Voltage Rating; 2-19/32 Inch Diameter; 50000 Ampere (Symmetrical, DC) Interrupting Rating; 400 Ampere Current Rating; Blade Terminal Type; Fast Acting, One Time Characteristics; Powr-Gard [R] Brand; Application General Purpose Residential and Commercial Circuits With Little or No Motor Load, Resistive Heating Load; NLS 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
NLS400