Fuse Amp-Trap® 600V 500A Fast-Acting Class J A4J Series

The Fuse Amp-Trap® 600V 500A Fast-Acting Class J A4J Series provides excellent current-limiting protection for electrical distributors, lighting solutions, wire and cable systems, and switchgear applications. It is designed for use in capacitors, load centers, panelboards, switchboards, bus ducts, feeder circuits, circuit breakers, and lighting, heating, and general loads. This fuse features unique dimensions that prevent substitution with fuses of lower voltage or interrupting ratings, ensuring reliable protection and system integrity.

Specifications

• Amperage Rating: 500 A
• Voltage Rating: 600 VAC, 300 VDC
• Interrupt Rating: 200 kA AC, 100 kA DC
• Fuse Class: Class J
• Dimensions: Length 8 in, Width 2.5 in, Height 2.5 in, Diameter 2.5 in
• Mounting Type: Clip
• Connection: Blade
• Insulation Material: GMG
• Product Weight: 3.02 lbs
• Manufacturer: Mersen
• Manufacturer Part Number: A4J500

Features

• Fast-acting fuse with very current-limiting capability for low peak let-thru current
• Unique dimensions prevent replacement by other fuse classes with lower ratings
• Fiberglass body provides dimensional stability in harsh industrial environments
• Easy-to-read imprint label for quick recognition and replacement
• UL listed to standard 248-8 and CSA certified to standard C22.2 no. 248.8
• DC rated and IEC 269-2-1 compliant

Downloads & Links

• Spec Sheet
• Curves 2
• Curves 1
• Spec Sheet FR
• Drawings