Littelfuse® LLSRK300 UL CLASS RK1 DUAL ELEMENT TIME DELAY FUSE
Class RK1 Fuses
9422
MFG #: LLSRK300
Littelfuse®
265.29000
/ ea
Littelfuse® LLNRK and LLSRK series POWR-PRO™ fuses provide superior overload and short circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 A. LLNRK/LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.
- Brochure URL - 11468_ZMLGDEHVFOQAW4NX.pdf(Brochure URL)
- Catalog URL - Littelfuse_315_250P_Catalog.pdf(Catalog URL)
- http://www.littelfuse.com(Seller Home Page URL)
- Spec Sheet URL - 11468_20G576QKMINVHOL4.pdf(Spec Sheet URL)
- Tech Bulletin URL - 11468_4CIUKETOJZ9XH32M.pdf(Tech Bulletin URL)
- Tech Drawing URL - 11468_4Y51B7SWAND3V8C2.pdf(Tech Drawing URL)
- Applications
- Features
| All general purpose circuits |
| Time-Delay |
| Extremely current limiting - reduces damage to circuits and equipment under short circuit conditions |
| Stops damaging short circuits faster than any mechanical protective device |
| Reduced costs - current limiting design often permits use of readily available, less costly equipment |
| Low resistance design reduces power consumption and utility bills |
| Excellent time delay - true dual element construction, with separate non-fatiguing thermally-reversible spring loaded thermal overload element, withstands repeated surges within rated time delay without opening needlessly |
| Eliminates needless downtime caused by power surges or equipment demands |
| 200 kA at 600 VAC, 20 kA at 300 VDC interrupting rating |
| Blown fuse indicator assembly |
| Granular quartz filling |
| Plated end caps |
| Precision formed short circuit element |
| Fiberglass reinforced pultruded body |
| Elastomeric silicone overload section |