Eaton LPJ-600SPI fuse - Class J, 600 A, 300 kAIC
Part Number: LPJ-600SPI
Quick Summary
The Eaton LPJ-600SPI fuse provides reliable time-delay current-limiting protection for industrial motor and power-control circuits. Engineers often grapple with nuisance trips from motor inrush and costly downtime when protection is overly aggressive. This fuse carries CE marking and RoHS compliance, along with a 300 kAIC interrupt rating at 600 Vac and a Class J, dual-element design. Secondary benefits include compatibility with Bussmann Class J circuits and enhanced protection for high-inrush loads in industrial environments. Designed for easy installation with bolted blade ends for robust field service. It scales across equipment sizes, protecting feeders, motor controllers, and drives. With RoHS and CE compliance, it supports your regulatory and sustainability goals.
Product Information
Extended Description
LPJ-600SPI Eaton: Eaton Bussmann Series Class J fuse, LPJ, time-delay, dual-element current limiting fuse, 600 A, indicating fuse, interrupting rating of 300 kA at 600 Vac
Product Name
Eaton Bussmann series LPJ fuse
Catalog Number
LPJ-600SPI
UPC
051712626484
Product Length/Depth
8 in
Product Height
2.5 in
Product Width
2.5 in
Product Weight
2.65 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Amperage Rating
600 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
Bolted blade end x bolted blade end
Fuse indicator
Non-indicating With Indicator
Special features
Non-indicating, High in-rush current motor protection
Bussmann series Class J Low-Peak fuse 70-600A data sheet No. 1007
Low Voltage Branch Circuit Fuse Chapter
Low Voltage Branch Circuit Fuse Chapter
RoHS Search Tool
Bussmann series Fuseology
Time-delay, dual-element current-limiting design provides selective protection and tolerance for motor inrush, reducing unnecessary downtime and extending equipment life. This translates to fewer nuisance trips during startup and a smoother commissioning process in drives and conveyors, improving overall line throughput and up-time. The 600 A amperage rating and 600 Vac voltage capacity, paired with a 300 kAIC interrupt rating, deliver robust protection for feeders and motor control circuits against high fault currents, while keeping conductor insulation and panels intact during fault events. Bolted blade end connections enable quick installation and reliable, vibration-resistant mounting in switchgear and panelboards, supporting fast maintenance and minimal downtime during fuse replacements. Compliance with CE and RoHS standards ensures regulatory readiness across global plants, reducing compliance risk and facilitating supplier audits. The Class J fuse class and time-delay characteristics are well-suited for motor protection in industrial environments, offering dependable protection without compromising performance. In applications ranging from CNC machines to packaging lines, LPJ-600SPI delivers consistent protection, enabling engineers to design for efficiency, safety, and cost control.
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FAQs
The LPJ-600SPI uses bolted blade ends for secure mounting and compatibility with standard Bussmann Class J holders. It supports 600 Vac circuits up to 600 A and installs in panels and enclosures designed for Class J fuses. Always follow the datasheet torque specs and ensure the connection method matches the rated voltage, current, and interrupt rating to prevent mis-trips.
The dual-element, time-delay current-limiting design provides fast fault clearing while tolerating normal motor inrush, reducing nuisance trips during startup. This improves protection coordination with downstream devices and minimizes startup delays in motors and drives. For high-inrush loads, the LPJ-600SPI maintains protective speed without compromising equipment performance.
Yes. With a 600 A rating, 600 Vac capacity, and a 300 kAIC interrupt rating, the LPJ-600SPI is well-suited for motor protection, drives, and power distribution panels in industrial settings. Its Class J, dual-element design supports reliable protection against short circuits while accommodating inrush, making it a practical choice for fans, pumps, conveyors, and CNC equipment.
The LPJ-600SPI features CE marking and RoHS compliance, aligning with European regulatory requirements and responsible environmental practices. It is a Class J fuse with dual-element construction and a bolted blade end connection, designed to meet typical industrial protection standards. These certifications help streamline audits and ensure regulatory readiness for global deployments.
Lifecycle planning should account for its robust interrupt rating in fault events, which reduces conductor damage and downstream repairs. The 8 in length, 2.5 in width, and 2.65 lb weight allow straightforward replacement in standard enclosures. While the device offers dependable protection, ensure periodic inspection of fuse indicators (if installed) and verify compatibility during panel revisions to sustain uptime and reduce total cost of ownership.