Eaton LPS-RK-175SP Fuse - Class RK1, 600 Vac, 175 A
Part Number: LPS-RK-175SP
Quick Summary
LPS-RK-175SP fuse from Eaton provides time-delay, current-limiting protection for industrial power circuits. In high-inrush environments, nuisance trips and downtime cost safety, productivity, and maintenance resources, which this dual-element design helps mitigate. The device is CE marked and Class RK1, with interrupt ratings up to 300 kAIC at 600 Vac and 100 kAIC at 300 Vdc, supporting safe operation across diverse systems. By combining reliability with compact blade-end connections, it helps maintenance teams reduce inventory and simplify stocking while meeting demand for high-performance motor and control circuits. Together, these features translate to improved uptime, lower maintenance costs, and a clear path to scalable protection across motor loads and critical control circuits.
Product Information
Extended Description
LPS-RK-175SP Eaton: Eaton Bussmann Series Class RK1 fuse, LPS-RK, time-delay, dual-element, current limiting fuse, 175 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-175SP
UPC
051712548496
Product Length/Depth
9.63 in
Product Height
1.61 in
Product Width
1.61 in
Product Weight
1.5 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
175 A
Interrupt rating
100 kAIC at 300 Vdc 300 kAIC at 600 Vac
Voltage rating
600 Vac, 300 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
Quantity
1
Special features
Electrically isolated end cap
Low Voltage Branch Circuit Fuse Chapter
Low Voltage Branch Circuit Fuse Chapter
RoHS Search Tool
Bussmann series Fuseology
Bussmann series Low-Peak 600 V LPS Class RK1 time-delay fuses, 70-600 A data sheet no. 1002
Feature: Time-delay dual-element design with current-limiting action. Business Impact: Handles motor inrush and surge energy while reducing nuisance trips and protecting downstream equipment. Application: Motor starters, transformers, and power distribution within manufacturing lines. Paragraph: The LPS-RK-175SP uses a dual-element construction that delays fuse opening on temporary overloads, preserving circuit continuity during start-up and transient events. This translates to measurable uptime gains and lower maintenance costs for heavy-load applications. Feature: 175 A amperage rating with high interrupt capability. Business Impact: Safeguards feeders against fault currents with rapid disconnection, reducing downstream damage and fire risk. Application: Main feeder protection in panels serving motors and critical loads. Paragraph: With 300 kAIC at 600 Vac and 100 kAIC at 300 Vdc, this fuse provides robust protection in modern industrial power architectures, enabling safe, code-compliant operation and predictable protection coordination. Feature: Class RK1, blade end x blade end, electrically isolated end cap. Business Impact: Standardized form factor and safer installation in crowded panels, simplifying audits and part replacement. Application: Panelboards and control cabinets where compact, reliable protection is required. Paragraph: The electrically isolated end caps reduce arcing risk during installation and maintenance, helping technicians work faster with fewer reinstallations or wiring errors. Feature: Non-indicating fuse with standard packaging. Business Impact: Simplifies inventory management and reduces panel indicators that can fail. Application: Routine field replacements in serviceable control circuits. Paragraph: Standard packaging plus a non-indicating design supports straightforward stock management and quick replacement in high-volume environments. Feature: Compliance and compatibility for industrial deployments. Business Impact: Aligns with global safety expectations and robust protection schemes. Application: Manufacturing floors, process lines, and distribution panels. Paragraph: CE marking confirms regulatory alignment; compatibility with Bussmann-series fuses ensures seamless integration into existing protection schemes and reduces engineering time when upgrading devices.
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FAQs
LPS-RK-175SP uses blade end x blade end connections and a standard 1-piece packaging format, aligning with common Bussmann-series panels. The dual-element, time-delay design fits motor control centers and power distribution cabinets without requiring special adapters, simplifying retrofits and new installations while maintaining consistent protection characteristics across assemblies.
The fuse is rated at 175 A with an interrupt rating of 300 kAIC at 600 Vac and 100 kAIC at 300 Vdc. It supports a voltage rating of 600 Vac and 300 Vdc, and features time-delay, current-limiting performance suitable for motor starts and transient loads in industrial systems.
This fuse is ideal for motor control centers, transformers, and power distribution panels where inrush currents occur. Its dual-element design provides reliability during startup, while its high interrupt ratings protect feeders against short-circuit events, enabling safe operation of critical equipment and reducing unplanned downtime.
The LPS-RK-175SP carries CE marking, confirming conformity with European safety standards. It aligns with Class RK1 protection schemes and offers reliability in global industrial environments, with documented compatibility in Bussmann-series data and related technical resources.
The time-delay, dual-element design minimizes nuisance trips during normal inrush events, improving equipment uptime and reducing maintenance interventions. Its non-indicating, standard packaging simplifies spares management, while the robust interrupt ratings protect downstream assets, potentially lowering total cost of ownership through fewer panel replacements and faster maintenance cycles.