Mersen A480R18R-1AB - Medium Voltage Fuse 4800V/390A (50kA AIC, Class R)

Mersen A480R18R-1AB is a medium-voltage Amp-Trap fuse designed for high-current circuit protection in industrial power systems. It features a 4800V AC voltage rating and 390A current rating, with a robust 2-barrel construction and 2-inch diameter for durable performance. The fuse meets Class R standards with a [email protected] interrupting capacity, housed in a 21 lb package with 17.88-inch clip center spacing for secure mounting. It complies with industrial protection requirements for medium-voltage applications including switchgear, transformers, and motor control centers.

Key Features & Specifications

• Type: Medium-voltage current-limiting fuse, Class R, 2-barrel design
• Voltage Rating: 4800V AC
• Current Rating: 390A
• Dimensions: 2" diameter, 17.88" clip center spacing
• Standards: Class R protection
• Applications: Industrial switchgear, transformers, motor protection
• AIC rating: [email protected]
• Weight: 21 lb
• Construction: Dual-element design with sand-filled quartz