LPJ-600SP - 600 Amp Fuse

LPJ-600SP - 600 Amp Fuse

With a 600A fuse, getting the details right matters. The Eaton Bussmann series LPJ-600SP is a 600A Class J time-delay, current-limiting fuse rated for 600VAC and 300VDC. The manufacturer also lists high in-rush current motor protection, an important characteristic when evaluating the fuse for compatible motor applications. It is also CE-marked and RoHS-compliant. Together, the catalog number, Class J designation, electrical ratings, connection type, and dimensions provide practical checkpoints to confirm you're looking at the correct fuse—not simply one that happens to share the same amperage rating. When properly selected, installed by qualified electrical personnel, and operated within its specified ratings, the LPJ-600SP is built to last as part of a correctly designed and maintained electrical system.

Key Features and Benefits

• 600A Class J configuration: The LPJ-600SP combines a 600-amp rating with a Class J designation for compatible electrical equipment requiring these specifications.
• 600VAC and 300VDC ratings: Eaton specifies both AC and DC voltage ratings, making it easier to compare the fuse directly with documented circuit requirements.
• Time-delay operation: The LPJ-600SP is identified as a time-delay fuse. Eaton states a response time of 10 seconds at 500% of rated current.
• Current-limiting design: Eaton classifies this Class J fuse as current-limiting, an important characteristic to confirm when selecting circuit protection.
• Dual-element construction: The manufacturer specifies dual elements as part of the LPJ-600SP design.
• Bolted blade connections: The bolted blade end × bolted blade end arrangement is a key physical detail to check for fit and connection compatibility.
• Non-indicating specification: Eaton's dedicated Fuse Indicator field identifies the LPJ-600SP as non-indicating.

Technical Specifications

• Manufacturer: Eaton
  
• Product Family: Bussmann Series
  
• Product Name: Eaton Bussmann Series LPJ Fuse
  
• Catalog Number: LPJ-600SP
  
• Product Type: Fuse
  
• Fuse Class: Class J
  
• Fuse Type: Time Delay; Current-Limiting
  
• Number of Elements: Dual
  
• Amperage Rating: 600A
  
• AC Voltage Rating: 600VAC
  
• DC Voltage Rating: 300VDC
  
• AC Interrupting Rating: 300 kAIC at 600VAC
  
• DC Interrupting Rating: 100 kAIC VDC
  
• Response Time: 10 sec. at 500%, as specified by Eaton
  
• Connection: Bolted Blade End × Bolted Blade End
  
• Fuse Indicator: Non-Indicating
  
• Special Feature: High In-Rush Current Motor Protection
  
• Product Length/Depth: 8 in.
  
• Product Height: 2.5 in.
  
• Product Width: 2.5 in.
  
• Product Weight: 1.39 lb.
  
• UPC: 051712522878
  
• CE Marked: Yes
  
• RoHS Compliant: Yes
  

Material Compliance and Certifications

According to Eaton's specifications, the LPJ-600SP is CE Marked and RoHS Compliant. These manufacturer-stated compliance details can help when evaluating the fuse against applicable equipment, facility, or project requirements. CE marking and RoHS compliance should not, however, be treated as substitutes for confirming electrical compatibility.

Where It Works Best

The Eaton Bussmann LPJ-600SP 600A Class J fuse is intended for compatible electrical systems that require its combination of 600A capacity, time-delay operation, current-limiting characteristics, dual-element construction, and bolted-blade connections. Eaton's stated high in-rush current motor protection also makes that characteristic relevant when evaluating the fuse for compatible motor applications.