Eaton LPS-RK-600SPI Fuse - RK1 Class, 600A/300kAIC
Part Number: LPS-RK-600SPI
Quick Summary
Eaton LPS-RK-600SPI fuse provides reliable overcurrent protection for industrial power distribution. Engineers often face nuisance trips or protection gaps when sizing fuses for motors and drives, leading to downtime and maintenance headaches. This CE-marked, RoHS-aware RK1 time-delay dual-element fuse supports safe, compliant control panels and drives, while delivering robust protection. With a 600 A rating at 600 Vac and a 300 kAIC interrupt rating, it helps secure critical equipment during faults and transients, enabling predictable operation and reduced lifecycle costs. The design also aligns with RK1 standards for easy integration in existing assemblies, while its compact footprint complements compact panels and cabinet layouts in industrial settings.
Product Information
Extended Description
LPS-RK-600SPI Eaton: Eaton Bussmann Series Class RK1 fuse, LPS-RK, time-delay, dual-element, current limiting fuse, 600 A, indicating fuse, interrupting rating of 300 kA at 600 Vac
Product Name
Eaton Bussmann series LPS-RK fuse
Catalog Number
LPS-RK-600SPI
UPC
051712627474
Product Length/Depth
13.38 in
Product Height
2.88 in
Product Width
2.88 in
Product Weight
5.6 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
600 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 With Indicator
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. Business Impact: Reduces nuisance trips during motor start-ups and transient surges, improving production uptime. Application: Motor feeders and drive power circuits in manufacturing lines. Feature: Current-limiting action with 300 kAIC at 600 Vac. Business Impact: Limits fault energy, minimizes damage to cables and components, and protects downstream devices. Application: High-current DC/AC distribution where rapid fault isolation is needed. Feature: 600 A amperage rating at 600 Vac, 300 Vdc. Business Impact: Clear, scalable protection for large motors and heavy loads, helping to avoid overfusing and equipment wear. Application: Large-capacity motor control centres and feeder sections. Feature: Electrically isolated end caps. Business Impact: Safer maintenance and reduced arcing risk during blade-end connections; simplifies field replacement. Application: Panel installation and service procedures in industrial environments. Feature: Blade end x blade end connections; Class RK1. Business Impact: Easy integration with standard RK1 fuse blocks and assemblies; improves retrofit and upgrade timelines. Application: Control panels and power distribution blocks across packaging, HVAC, and process industries. Feature: CE Marked; standard packaging; RoHS consideration via compliance resources. Business Impact: Regulatory alignment and safer supply chain procurement; supports global deployment. Application: Worldwide manufacturing facilities requiring compliant protection devices.
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FAQs
The LPS-RK-600SPI is a dual-element RK1 time-delay fuse with blade end connections designed for Eaton Bussmann RK1 style fuse blocks. Its 13.38 inch length and 2.88 inch width/height ensure compatibility with standard RK1 assemblies, aiding straightforward retrofits and installations in control panels. Electrically isolated end caps further simplify maintenance by reducing arcing risk during blade-end connections.
This fuse provides a 600 A amperage rating at 600 Vac with a 300 Vdc rating, and an interrupt rating of 300 kAIC at 600 Vac and 100 kAIC at 300 Vdc. Such ratings support protection for high-current motor circuits and power distribution panels, while allowing selective coordination with upstream protection devices to minimize fault impact.
Yes. The time-delay, dual-element design is specifically intended for motor starting protection, balancing inrush tolerance with short-circuit protection. The high interrupt rating and current-limiting action help prevent nuisance trips while isolating faults quickly, supporting reliable starts and reducing wear on motor windings and drives in manufacturing environments.
Install in RK1 fuse blocks with blade-end connections, ensuring proper alignment and seating to avoid contact resistance. Leverage electrically isolated end caps for safer maintenance, and verify panel spacing to accommodate the fuse’s 13.38 inch length. Use correct torque and mounting procedures per Eaton recommendations to sustain long-term reliability and ease of service.
CE marking confirms conformity with European safety requirements for electrical protection devices, supporting regulatory compliance in numerous markets. RoHS status can be verified via Eaton’s RoHS lookup resources linked in product documentation, ensuring the fuse meets restrictions on hazardous substances for safer, global deployment.