Eaton LPS-RK-15SP Fuse - Class RK1 Time-Delay
Part Number: LPS-RK-15SP
Quick Summary
The Eaton LPS-RK-15SP fuse provides time-delay protection for low-voltage electrical panels and motor circuits. This design helps reduce nuisance trips during startup and inrush events, improving line reliability without compromising safety. It carries CE marking and RoHS compliance, reflecting adherence to global regulatory expectations, while its Class RK1 construction supports standardized protection across distributed controls. The dual-element, current-limiting fuse delivers a robust interrupt capability that safeguards equipment and wiring in harsh industrial environments. By integrating ferrule-end connections and a compact five-inch length, it fits thin panel spaces and offers straightforward replacement during maintenance. This model complements Eaton Bussmann series protections for scalable panel design and predictable protection in automation assemblies.
Product Information
Extended Description
LPS-RK-15SP Eaton: Eaton Bussmann Series Class RK1 fuse, LPS-RK, time-delay, dual-element, current limiting fuse, 15 A, non-indicating fuse, interrupting rating of 300 kA at 600 Vac and 100 kA at 300 Vdc
Product Name
Eaton Bussmann series LPS-RK fuse
Catalog Number
LPS-RK-15SP
UPC
051712548328
Product Length/Depth
5 in
Product Height
0.81 in
Product Width
0.81 in
Product Weight
1.6 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
15 A
Interrupt rating
300 kAIC at 600 Vac 100 kAIC at 300 Vdc
Response time
10 sec at 500%
Voltage rating
600 Vac, 300 Vdc
Fuse type
Time delay Current-limiting
Number of elements
Dual
Packaging type
Standard
Class
Class RK1
Connection
Ferrule end x ferrule end
Fuse indicator
Non-indicating
Quantity
10
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Bussmann series Fuseology
Bussmann series Low-Peak 600 V LPS Class RK1 time-delay fuses, up to 600 A data sheet no. 1001
Feature → Time-delay, dual-element construction enables protection during motor startup surges without nuisance trips, preserving equipment reliability. Business Impact → Reduces unplanned downtime and maintenance costs, especially in HVAC, conveyors, and pump-driven systems. Application → Ideal for motor control centers and automation panels where startup inrush is a recurring challenge. Feature → 15 A current-limiting rating controls fault energy, minimizing conductor and component damage during short circuits. Business Impact → Decreases arc-flash risk and ripple effects on neighboring circuits, supporting safer, longer-lasting power distribution. Application → Fits power distribution boards and machine cabinets with strict protection requirements. Feature → High interrupt rating of 300 kAIC at 600 Vac and 100 kAIC at 300 Vdc provides robust upstream safety margins. Business Impact → Shields feeders and upstream transformers from catastrophic faults, enabling faster isolation. Application → Suitable for demanding industrial feeders and critical loads in process lines. Feature → Ferrule-end terminations enable quick, reliable installations and straightforward field replacement. Business Impact → Reduces torque issues and install time, lowering maintenance labor costs. Application → Compatible with standard lug kits and panel rails in retrofit and new builds. Feature → Class RK1, non-indicating fuse in a compact 5 in length with 0.81 in width/height supports dense panel layouts. Business Impact → Maximizes panel density without sacrificing protection, improving wiring organization. Application → Especially beneficial for compact control panels and modular industrial cabinets. Feature → CE Marked and RoHS-compliant design aligns with global compliance programs. Business Impact → Simplifies regulatory approvals and supplier audits while supporting sustainability goals. Application → Widely applicable across European and global manufacturing environments.
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FAQs
To install the LPS-RK-15SP, ensure panel space accommodates a 5 inch length with 0.81 inch width and height. Use ferrule-end connections for a secure, vibration-resistant fit and verify alignment with Class RK1 mounting provisions. The process is straightforward for standard Eaton Bussmann replacements and retrofit projects.
Its time-delay, dual-element design tolerates motor inrush while delivering current-limiting protection, reducing nuisance trips during startup. The 15 A rating matches common motor branch circuits, and the 600 Vac/300 Vdc ratings provide broad applicability in single- and three-phase systems.
The LPS-RK-15SP is CE marked and RoHS-compliant, reflecting alignment with European safety and environmental requirements. Its Class RK1 designation identifies its protection class, suitable for standardized industrial protection schemes across control panels and MCCs.
Key specs include 15 A amperage, 600 Vac / 300 Vdc voltage ratings, and a 300 kAIC interrupt rating at 600 Vac (100 kAIC at 300 Vdc). These figures determine fault handling capability, system protection levels, and compatibility with downstream equipment in industrial power circuits.
Time-delay operation reduces unnecessary tripping, improving equipment uptime. High interrupt ratings protect feeders, potentially lowering replacement costs, while ferrule-end connections speed installation and maintenance, reducing labor time during replacements or upgrades.