Eaton LPJ-9SPI fuse - Class J, 9 A, 300 kAIC, 600 Vac
Part Number: LPJ-9SPI
Quick Summary
The Eaton LPJ-9SPI fuse provides time-delay protection for motor and power circuits. Engineers often face nuisance tripping during motor start-ups, which drives unplanned downtime and costly maintenance. CE-marked and RoHS compliant, it aligns with European safety and environmental requirements while supporting easy panel integration. Its compact Class J body with ferrule-end connections simplifies installation in crowded control panels and minimizes wiring complexity. With a 9 A rating at 600 Vac and a 300 kAIC interrupt capability, this dual-element current-limiting fuse delivers reliable protection for motors, drives, and conveyors, helping manufacturers improve uptime, protect critical loads, and reduce maintenance costs.
Product Information
Extended Description
LPJ-9SPI Eaton: Eaton Bussmann Series Class J fuse, LPJ, time-delay, dual-element current limiting fuse, 9 A, indicating fuse, interrupting rating of 300 kA at 600 Vac
Product Name
Eaton Bussmann series LPJ fuse
Catalog Number
LPJ-9SPI
UPC
051712628426
Product Length/Depth
2.25 in
Product Height
0.81 in
Product Width
0.81 in
Product Weight
0.096 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Amperage Rating
9 A
Interrupt rating
300 kAIC at 600 Vac 100 kAIC 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 J
Connection
Ferrule end x ferrule end
Fuse indicator
Non-indicating With Indicator
Special features
Indicating, High in-rush current motor protection
Bussmann Full Line Catalog
Bussmann Full Line Catalog
RoHS Search Tool
Bussmann series Fuseology
Bussmann series LPJ Low-Peak 1-60A data sheet No. 1006
Time-delay, dual-element current-limiting design provides coordinated protection for motor loads. The business impact is fewer nuisance trips during start-up surges, reducing downtime and wear on contactors. This is ideal for conveyors, pumps, and HVAC drives where surge currents are common. High interrupt rating of 300 kAIC at 600 Vac ensures fast fault clearance in machine panels and power distribution, enhancing safety and system reliability. The robust 9 A, 600 Vac rating delivers consistent protection across standard industrial and commercial applications, enabling the same fuse to protect a range of motors and drives without panel redesigns. Ferrule-end connections and standard packaging streamline installation, reduce wiring errors, and support quick field servicing. Compliance with CE and RoHS simplifies global deployments while keeping total cost of ownership low.
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FAQs
LPJ-9SPI uses ferrule-end connections and is rated for 600 Vac systems, making it compatible with standard Class J fuse holders and motor control panels. Verify panel space, conductor ferrules, and appropriate mounting to ensure reliable installation and straightforward replacement during maintenance intervals.
The fuse features a 9 A current rating, 600 Vac voltage rating, and a 300 kAIC interrupt rating. It operates as a time-delay, dual-element current-limiting device, providing reliable protection during motor inrush while limiting fault currents to protect downstream circuitry.
Yes. The LPJ-9SPI carries CE marking and RoHS compliance, supporting regulatory requirements in European control panels and reducing environmental and safety concerns for long-term installations.
Best suited for motors, conveyors, pumps, and HVAC drives with periodic inrush. The time-delay, dual-element design minimizes nuisance trips, while the 300 kAIC interrupt rating ensures fast fault clearance in power-distribution panels, improving uptime and equipment longevity.
By reducing nuisance tripping, extending motor life, and lowering maintenance and downtime costs, LPJ-9SPI delivers a favorable ROI in environments with frequent start-up surges. The rugged Class J construction also reduces replacement cycles and simplifies spares management in industrial facilities.