LNRK400.X
ActiveFUSE CLASS RK1 SLOW BLOW ACTING 400A 250V HOLDER CARTRIDGE 120.7 X 59.5 X 53.2MM FIBERGLASS CSA/UL
Deep-Dive with AI
Search across all available documentation for this part.
LNRK400.X
ActiveFUSE CLASS RK1 SLOW BLOW ACTING 400A 250V HOLDER CARTRIDGE 120.7 X 59.5 X 53.2MM FIBERGLASS CSA/UL
Deep-Dive with AI
Technical Specifications
Parameters and characteristics for this part
| Specification | LNRK400.X |
|---|---|
| Applications | Electrical, Industrial |
| Approval Agency | UL, CE, CSA, QPL |
| Breaking Capacity @ Rated Voltage | 20 kA DC, 200 kA AC |
| Class | RK1 |
| Current Rating (Amps) | 400 A |
| Fuse Type | Cartridge |
| Mounting Type | Requires Holder |
| Package / Case | Cylindrical, Blade Terminals |
| Response Time | Slow Blow |
| Size / Dimension [diameter] | 59.5 mm |
| Size / Dimension [diameter] | 2.343 in |
| Size / Dimension [x] | 8.626 in |
| Size / Dimension [x] | 219.1 mm |
| Voltage Rating - AC | 250 VAC |
| Voltage Rating - DC | 125 VDC |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
Description
General part information
LLNRK400 Series
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 amperes. 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.
Documents
Technical documentation and resources