Littelfuse IDSR.300
MPNIDSR.300
.3A, 600VAC/600VDC, Class RK5 Fuses|.3 Amp, 600V, Industrial & Electrical Fuses UL Class RK5 Duel Element Time-Delay fuse With Indication
$25.25Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Type | Time-Delay |
| Standard | Standard 248-12 UL Listed/CSA |
| Category | Dual Element Fuses |
| Sub brand | IDSR Series |
| Manufacturer | Littelfuse, Inc. |
| Sub-Category | Ul Power Fuse |
| Prop 65 warning | WARNING_CANCER_AND_REPRODUCTIVE_HARM_WWW.P65WARNINGS.CA.GOV |
| Special features | Indicator |
| Manufacturer brand | Littelfuse, Inc. |
| Product description | Littelfuse IDSR.300 600V RK5 Fuse |
| Full technical description | Class RK5 Type; 5 Inch; UL 198M, UL 248-12, CSA, MSHA Approval; 600 VAC/VDC Voltage Rating; 13/16 Inch Diameter; 200000 Ampere (Symmetrical), 20000 Ampere (DC) Interrupting Rating; 3/10 Ampere Current Rating; Ferrule Terminal Type; Dual Element, Time Delay Characteristics; INDICATOR[T], POWR-PRO[R] Brand; Provides Blown Fuse Indication; IDSR 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
IDSR.300