Eaton LPN-RK-200SP-TP Fuse - Class RK1 Time-Delay, 200 A

Part Number: LPN-RK-200SP-TP
Manufacturer
Eaton
Part number
LPN-RK-200SP-TP

Quick Summary

LPN-RK-200SP-TP fuse provides time-delay protection for motor control circuits in industrial applications. A common pain point is nuisance tripping during motor start-up and inrush, which disrupts production and increases maintenance costs. The fuse is RoHS compliant and aligns with RK1 class fuse design, offering predictable response and easy integration into standard blade-end holders. With a 200 A rating and high interrupt capability at 250 V, it guards drives and panels against short circuits while enabling compact, economical protection schemes. This solution supports safer, compliant electrical protection in drive systems, motor controllers, and control cabinets, helping reduce downtime and total cost of ownership.

Product Information

Extended Description

LPN-RK-200SP-TP Eaton: Eaton Bussmann series LPN-RK fuse, Low-peak fuse, 200 A, RK1, Non-indicating, Blade end x blade end, Time delay, Current-limiting, 100 kAIC at 250 Vdc, 300 kAIC at 250 V, Tin-plated, Standard
Product Name
Eaton Bussmann series LPN-RK fuse
Catalog Number
LPN-RK-200SP-TP
UPC
051712752374
Product Length/Depth
7.13 in
Product Height
1.61 in
Product Width
1.61 in
Product Weight
0.69 lb
Warranty
Not Applicable
Compliances
RoHS Compliant
Amperage Rating
200 A
Interrupt rating
100 kAIC at 250 Vdc 300 kAIC at 250 Vac
Voltage rating
250 Vac, 250 Vdc
Fuse type
Time delay Current-limiting
Material
Tin-plated
Packaging type
Standard
Class
Class RK1
Connection
Blade end x blade end
Fuse indicator
Non-indicating
Special features
Non-indicating, High in-rush current motor protection
Time-delay, current-limiting design delivers staged protection for motor circuits. This approach minimizes nuisance trips during normal inrush while ensuring rapid interruption for sustained faults, improving equipment uptime. It’s particularly effective in conveyor drives, pumps, and fan systems where controlled startup reduces mechanical wear and energy spikes. With a 200 A amperage rating and voltage ratings of 250 Vac and 250 Vdc, the LPN-RK-200SP-TP supports medium-to-high current control circuits without oversized protective devices. Its high interrupt ratings—100 kAIC at 250 Vdc and 300 kAIC at 250 Vac—guarantee reliable fault clearance in demanding installations, protecting wiring, controllers, and drives. Class RK1 designation ensures compatibility with Bussmann RK1 fuse blocks, while blade-end x blade-end terminals support quick, secure mounting. The non-indicating design reduces maintenance overhead—no visual fuse window to monitor—streamlining installation in cramped panels and helping technicians focus on critical wiring. Tin-plated housing offers enhanced corrosion resistance in challenging environments, extending service life in humid or dusty plants. Combined with standard packaging and compact footprint, it enables easy stocking, faster replacements, and scalable protection across multiple machines. RoHS compliance aligns with regulatory expectations, aiding procurement and reducing compliance risk. The fuse’s compact 7.13 in length and 1.61 in width fit common cabinet spaces, and its straightforward blade-end connection simplifies retrofits and new builds alike.

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FAQs

The LPN-RK-200SP-TP uses blade-end x blade-end connections, aligning with standard Bussmann RK1 fuse blocks. It installs quickly in common motor control cabinets and panelboards without special adapters, reducing commissioning time.
Time-delay allows safe inrush during motor start-up, while current-limiting caps fault energy during short circuits. This reduces nuisance trips, lowers arc exposure, and extends drive and wiring life in pumps, conveyors, and fans.
Yes. It is rated for 250 Vac and 250 Vdc, with high interrupt ratings (300 kAIC at 250 Vac and 100 kAIC at 250 Vdc), making it effective in mixed electrical environments found in drive panels and motor controllers.
The device is RoHS compliant, supporting regulatory and sustainability goals. Specific certifications like CE or SIL are not listed in the provided data, so verify project specifications if those certifications are mandatory.
Non-indicating design reduces visual inspection requirements in dense panels, and tin-plated construction enhances longevity in harsh environments. Together with standard dimensions, it lowers stocking complexity and downtime during replacement, delivering a lower total cost of ownership.