Eaton LPN-RK-200SPI Fuse - Time-Delay, Class RK1
Part Number: LPN-RK-200SPI
Quick Summary
The LPN-RK-200SPI fuse from Eaton provides time-delay, dual-element protection for motors and industrial control panels. Engineers often wrestle with nuisance trips during motor start-up and the challenge of protecting sensitive loads without compromising availability. This fuse carries CE marking and the Class RK1 designation, delivering a robust interrupt rating up to 300 kA at 250 Vac and 100 kAIC at 250 Vdc. For system integrators, it pairs with blade-end connections for straightforward field installation, while its current-limiting behavior reduces conductor wear and maintenance costs. In addition to reliable protection, it aligns with standard electrical protection & circuit control practices, offering a practical solution for busy industrial environments.
Product Information
Extended Description
LPN-RK-200SPI Eaton: Eaton Bussmann Series Class RK1 fuse, LPN-RK, time-delay, dual-element, current limiting fuse, 200 A, indicating fuse, interrupting rating of 300 kA at 250 Vac
Product Name
Eaton Bussmann series LPN-RK fuse
Catalog Number
LPN-RK-200SPI
UPC
051712626781
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
CE Marked
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
Number of elements
Dual
Packaging type
Standard
Class
Class RK1
Connection
Blade end x blade end
Fuse indicator
Non-indicating With Indicator
Quantity
1
Special features
Indicating, High in-rush current motor protection
Bussmann series Class J Low-Peak fuse 70-600A data sheet No. 1007
Low Voltage Branch Circuit Fuse Chapter
Low Voltage Branch Circuit Fuse Chapter
RoHS Search Tool
Bussmann series Fuseology
Feature: Time-delay, dual-element construction. Benefit: Smoothly handles motor inrush and short transients without nuisance trips, improving equipment uptime. Application: Conveyor lines and pump stations where start-up surges occur regularly. The business impact is measurable in reduced downtime and extended motor life. Feature: Current-limiting capability. Benefit: Shrinks fault-current peaks, reducing arcing and extending the life of downstream devices like contactors and breakers. Application: Control panels and motor starter assemblies in packaging and material handling. This directly lowers maintenance costs and improves system reliability. Feature: 200 A amperage rating with 250 Vac/250 Vdc voltage rating. Benefit: Provides robust protection for high-current circuits while maintaining compatibility with common European and North American power systems. Application: Main feeders and branch circuits in industrial facilities. Feature: Dual elements, Class RK1, blade-end connections. Benefit: Easy installation and predictable performance within Bussmann series enclosures. Application: Retrofit projects and new builds with standardized protection schemes. Feature: Fuse indicator option. Benefit: Enables quick status checks in control rooms or remote panels, reducing inspection time and supporting predictive maintenance.
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FAQs
The LPN-RK-200SPI excels in motor protection and control panels where inrush currents are expected, such as conveyors, pumps, and packaging lines. Its time-delay design tolerates startup surges while maintaining solid short-circuit protection, reducing nuisance trips and downtime.
Key ratings include 200 A amperage, 250 Vac and 250 Vdc voltage ratings, with a 300 kAIC interrupt rating at 250 Vac and 100 kAIC at 250 Vdc. These values support robust protection in both AC and DC circuits common to industrial systems.
Yes. The LPN-RK-200SPI uses blade-end connections and is designed for compatibility with Eaton Bussmann series protection assemblies, enabling straightforward installation in existing panels and minimizing retrofit effort.
The product carries CE marking, indicating conformity with European health, safety, and environmental requirements. This supports compliance in EU-based projects and alignments with CE-driven procurement standards.
Choosing the indicating version provides visible status indication, enabling quicker identification of blown fuses in control cabinets. This supports condition-based maintenance and reduces downtime during inspections or fault investigations.