Eaton LPN-RK-175SP-TP Fuse - RK1 Class, Time-Delay, RoHS
Part Number: LPN-RK-175SP-TP
Quick Summary
The Eaton LPN-RK-175SP-TP fuse provides reliable current protection for motor circuits in demanding industrial environments. Engineers often battle nuisance trips during motor startups; this time-delay, current-limiting fuse minimizes outages while protecting wiring. Key RoHS, RK1 class, and high interrupt ratings ensure compliance and robust subsystem protection. In addition, standard packaging, tin-plated contacts, and compatible form-factor support fast deployment across automation panels. This fuse supports critical applications in motor drives, conveyors, and HVAC systems, delivering predictable performance in both AC and DC control loops. With dependable surge handling and easy integration into existing Eaton Bussmann portfolios, it reduces design risk and accelerates project timelines. Customers value predictable protection that scales from small panels to large process lines.
Product Information
Extended Description
LPN-RK-175SP-TP Eaton: Eaton Bussmann series LPN-RK fuse, Low-peak fuse, 175 A, RK1, Non-indicating, 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-175SP-TP
UPC
051712752367
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
175 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
Fuse indicator
Non-indicating
Special features
Non-indicating, High in-rush current motor protection
LPN-RK-175SP-TP~CLASS RK1 FUSE TIN PLATED
LPN-RK-175SP-TP~CLASS RK1 FUSE TIN PLATED
Bussmann series Fuseology
Eaton Specification Sheet - LPN-RK-175SP-TP
Feature → Time-delay, current-limiting operation: Reduces nuisance trips during motor startups, enabling smoother ramping and less downtime. Business impact: Higher line efficiency and reduced maintenance costs in automation cells. Application: Motor drives, pumps, and HVAC equipment where startup surges are common. Feature → RK1 Class certification and high interrupt ratings: Provides robust protection for DC links and AC mains in demanding environments. Business impact: Enhanced system safety margins and improved panel reliability. Application: Control panels, feeders, and power distribution units in industrial automation. Feature → Tin-plated contacts and RoHS compliance: Improves contact reliability and corrosion resistance while ensuring regulatory compliance. Business impact: Lower long-term maintenance and easier cross-border procurement. Application: Any long-life installation in harsh environments where RoHS is a requirement. Feature → Non-indicating design with standard packaging: Simplifies integration into existing footprints and minimizes panel modification. Business impact: Faster deployment, reduced installation costs, and easier spare part management. Application: Bussmann-series panel assemblies and retrofits. Feature → 250 Vac / 250 Vdc rating and compatibility: Supports mixed-voltage control circuits common in automation systems. Business impact: Versatile use across AC and DC control loops, reducing part variety. Application: Automation equipment, drives, and motor control circuits needing dual-voltage protection.
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FAQs
The fuse features standard Bussmann-series form factor with a 7.13 in length and 1.61 in width, enabling direct drop-in compatibility with RK1-compatible holders and standard fuse blocks. Tin-plated contacts improve connection reliability, while RoHS compliance helps maintain regulatory alignment in panel builds.
Ideal for motor protection in drives, conveyors, pumps, and HVAC systems where high inrush occurs. Its time-delay characteristic accommodates startup surges, while the 175 A rating supports mid-range motor loads across 250 Vac/DC control circuits.
The LPN-RK-175SP-TP is RoHS compliant and classified as RK1. It supports reliable protection across IEC and UL-based industrial environments while meeting standard industry expectations for current-limiting, non-indicating fuses.
Interrupt rating is 100 kAIC at 250 Vdc and 300 kAIC at 250 Vac, with a voltage rating of 250 Vac and 250 Vdc, enabling protection across mixed-voltage automation systems.
By reducing nuisance trips through time-delay performance, using tin-plated contacts for longer life, and leveraging standard packaging for quick replacements, downtime is minimized and maintenance costs are lowered in high-demand production lines.