Eaton LPS-RK-100SP fuse - Class RK1, 600 Vac
Part Number: LPS-RK-100SP
Quick Summary
LPS-RK-100SP fuse is a time-delay, current-limiting protection device for industrial power circuits. Engineers often confront nuisance trips and downtime from inrush currents, which disrupt production lines and raise maintenance costs. This Eaton Bussmann Class RK1 fuse is CE marked and RoHS compliant, supporting EU regulatory requirements and sustainable design. With a 100 A rating and a 600 Vac / 300 Vdc voltage rating, it is suitable for motor drives, control panels, and DC power feeds. By selecting this reliable fuse, you gain predictable protection, reduced nuisance trips, and simplified spare parts management, delivering ongoing business value through safer, more efficient electrical distribution.
Product Information
Extended Description
LPS-RK-100SP Eaton: Eaton Bussmann Series Class RK1 fuse, LPS-RK, time-delay, dual-element, current limiting fuse, 100 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-100SP
UPC
051712548458
Product Length/Depth
7.88 in
Product Height
1.11 in
Product Width
1.11 in
Product Weight
4 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Amperage Rating
100 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, current-limiting design provides controlled fault response while tolerating temporary inrush. Benefit: Protects power circuits without nuisance outages, improving line uptime in motor loads and automated machinery. Application: Industrial control panels and motor drives where transient currents occur yet short-circuit protection is required. Feature: 100 A amperage rating with high interrupt capability (300 kAIC at 600 Vac; 100 kAIC at 300 Vdc). Benefit: Reduces arc energy and safeguards upstream devices, lowering damage costs during faults. Application: Power distribution blocks and feeder circuits in process plants. Feature: Blade end x blade end connections with electrically isolated end caps and a non-indicating design. Benefit: Easy, safe installation with low maintenance, minimizing fault-prone indicators. Application: Retrofit and new installations in standard Bussmann RK1 configurations. Feature: CE Marked, RoHS compliant. Benefit: Supports regulatory compliance and sustainability programs across global sites. Application: EU projects and green initiatives requiring compliant components.
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FAQs
LPS-RK-100SP uses standard blade end-to-blade end connections designed for RK1 style assemblies. The fuse features electrically isolated end caps for safe handling during installation and replacement. Ensure the host panel or switchgear is configured for dual-element, time-delay fuses, then insert the unit with the correct polarization to maintain proper circuit protection and easy future maintenance.
The fuse is rated for 100 A with a voltage rating of 600 Vac and 300 Vdc. Its interrupt ratings are 300 kAIC at 600 Vac and 100 kAIC at 300 Vdc, supporting high-energy fault environments. It is a time-delay, dual-element, current-limiting device suitable for protective coordination in demanding industrial circuits.
Ideal for motor control centers, power distribution panels, and DC power feeds in process industries, where transient inrush is common but reliable fault protection is essential. The Class RK1 designation and blade-end connections simplify integration into existing RK1 fiber or switchgear setups, improving system reliability and maintainability.
This fuse is CE marked and RoHS compliant, supporting European regulatory requirements and sustainable electronics programs. Such certifications facilitate global deployments and supplier qualifications in regulated markets, reducing compliance risk during audits and new installations.
The non-indicating design reduces nuisance maintenance checks while the dual-element construction enhances reliability, lowering the risk of undetected faults. High interrupt ratings protect downstream equipment, decreasing downtime costs. Overall, this fuse helps standardize protection across assemblies, lowering spare parts inventory and improving mean time between failures.