
Littelfuse KLSR500
MPNKLSR500
Fuse, 500A, 600VAC/300VDC, Class RK5, Time Delay|500 Amp Fuse, Rejection, Brand or Series: Class RK5, Interrupting Rating: 200000 Amp VAC RMS Symmetrical, Terminal Type: Blade, Rejection, Dimensions: 1 5/16 Diameter x 7 7/8 Length Inch, Voltage Rating: 600 VAC/300 VDC, Features: Time Delay, Dual Element.
$950.00 – $1,227.10Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Type | Class RK1 |
| Standard | Standard 248-12 UL Listed/CSA |
| Category | Current Limiting Fuses |
| Sub brand | KLSR Series |
| Manufacturer | Littelfuse, Inc. |
| Sub-Category | Ul Power Fuse |
| Prop 65 warning | WARNING_CANCER_AND_REPRODUCTIVE_HARM_WWW.P65WARNING |
| Special features | Fast-Acting |
| Manufacturer brand | Littelfuse, Inc. |
| Product description | Littelfuse KLSR500 600V RK1 Fuse |
| Full technical description | Class RK1 Type; 13-3/8 Inch; UL 248-12, CSA Approval; 600 VAC Voltage Rating; 3-3/32 Inch Diameter; 200000 Ampere (Symmetrical) Interrupting Rating; 500 Ampere Current Rating; Blade Terminal Type; Fast Acting Characteristics; POWR-GARD[T] Brand; Current Limiting; KLSR 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
KLSR500