Mersen A4J125 - Class J Fuse 125A (200kA AIC @600V)

Mersen A4J125 is a low-voltage current-limiting fuse designed for circuit protection in industrial power distribution systems. This 600V AC-rated fuse features a 125A current rating with a 200kA interrupting capacity at rated voltage, housed in a compact 1.63-inch diameter, 5-3/4-inch long barrel construction weighing 0.8 lb. Compliant with Class J standards, the Amp-Trap series fuse provides reliable short-circuit protection for motor control centers, panelboards, and industrial control equipment requiring high interrupting capacity.

Key Features & Specifications

• Type: Class J current-limiting fuse, single barrel design
• Voltage Rating: 600V AC
• Current Rating: 125A
• Dimensions: 5-3/4" length x 1.63" diameter
• Weight: 0.8 lb
• AIC Rating: 200kA @ 600V
• Standards: Class J compliance
• Applications: Motor control centers, industrial panelboards
• Construction: Current-limiting design with compact form factor
• Country of Origin: Mexico

Product Identification

• UPC: 782001960346
• GTIN: 00782001960346