Fuse Amp-Trap® 600V 125A Fast-Acting Class J A4J Series

The Fuse Amp-Trap® 600V 125A Fast-Acting Class J A4J Series provides reliable current-limiting protection suitable for a wide range of electrical distribution and lighting solutions. Designed for use in capacitors, load centers, panelboards, switchboards, bus ducts, feeder circuits, circuit breakers, and general lighting and heating loads, this fuse is a key component for electrical distributors and switchgear suppliers seeking robust wire and cable protection.

Specifications

• Voltage Rating: 600 VAC, 300 VDC
• Amperage Rating: 125 A
• Interrupt Rating: 200 kA AC
• Fuse Class: Class J
• Dimensions (L x W x H): 5.75 in x 1.62 in x 1.62 in
• Mounting Type: Clip
• Connection Type: Blade
• Insulation Material: GMG
• Product Weight: 0.7540 lbs
• Manufacturer: Mersen
• Manufacturer Part Number: A4J125

Features

• Fast-acting fuse for rapid interruption of overcurrent
• High current limitation reduces peak let-thru current
• Unique dimensions prevent substitution with lower-rated fuses
• Fiberglass body ensures dimensional stability in harsh industrial environments
• Easy-to-read imprint label for quick identification and replacement
• UL and CSA listed, meeting industry safety standards

Downloads & Links

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