Mersen A4J20 - Class J Fuse 20A (200kA AIC @600V)

Mersen A4J20 is a Class J low-voltage fuse designed for high-performance circuit protection in industrial applications. This 600VAC-rated fuse features a 20A current rating with a 200kA interrupting capacity at rated voltage, housed in a compact ferrule-style design measuring 2-1/2 inches in length and 0.81 inches in diameter. Constructed as part of the Amp-Trap family with a single-barrel configuration, it meets stringent industry standards for overcurrent protection. The 0.12 lb fuse is commonly deployed in motor control centers, industrial control panels, and power distribution systems requiring reliable short-circuit protection.

Key Features & Specifications

• Type: Class J time-delay fuse with ferrule connection
• Voltage Rating: 600V AC
• Current Rating: 20A
• Dimensions: 2-1/2 in length x 0.81 in diameter
• Standards: Meets UL/CSA requirements for Class J fuses
• Applications: Motor protection, industrial controls, power distribution
• AIC rating: 200kA@600V
• Connection: Ferrule
• Barrels: 1
• Weight: 0.12 lb
• Country of Origin: Mexico

Product Identification

• UPC: 782001960162
• GTIN: 00782001960162