
Littelfuse BLS004
MPNBLS004
4A, 600V, BLS Series Fast Acting Fuse|4 Amp Fuse, High Speed, North American Style, Brand or Series: BLS, Type: Cartridge Lead, Voltage Rating: 600 VAC, Interrupting Rating: 10000 Amp VAC RMS Symmetrical, Dimensions: 13/32 Diameter x 1 3/8 Length Inch, Features: Fast Acting, Special Length 1 3/8 Inch.
$6.21Ref. 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 |
|---|---|
| Series | BLS |
| Equivalent series | BBS, BLS, SBS |
| Equivalent brand and series | Bussmann BBS; Littelfuse BLS; Mersen SBS |
| Compatible fuse block series | L600M |
| AC voltage rating | 600V AC |
| DC voltage rating | Not Rated |
| Body material | Melamine |
| Standards | CSA Certified; RoHS; UL Listed |
| Amps | 4 A |
| Brand | LITTELFUSE |
| Class | Midget |
| Speed | Fast Acting |
All specifications
| Parameter | Value |
|---|---|
| Length | 1-3/8 in |
| Element | Single |
| Diameter | 13/32 in |
| Fuse size | 1-3/8 in L x 13/32 in dia |
| Body style | Cylindrical |
| Interrupt rating | 10kA at 600V AC |
| Visual indication | Nonindicating |
| Fits fuse block style | Nonrejection |
MPN
BLS004