Mersen A550X350E-1 - Medium Voltage Fuse 5500V 350A (63kA AIC)

Mersen A550X350E-1 is a medium voltage current-limiting fuse designed for high-voltage circuit protection in industrial power systems. This CS-3 series fuse features a 5500V AC rating with a 350A current capacity and 63kA interrupting capacity at 5.5kV, housed in a robust ferrule-connected single-barrel design with 12" clip centers. The Class E-rated fuse measures 3" in diameter and weighs 22 lb, constructed for reliable operation in demanding electrical environments while meeting industry standards for medium voltage protection. Typical applications include transformer protection, motor circuits, and feeder protection in utility and industrial power distribution systems.

Key Features & Specifications

• Type: Current-limiting medium voltage fuse (A055 type)
• Voltage Rating: 5500V AC
• Current Rating: 350A
• Dimensions: 3" diameter, 12" clip center
• Standards: Class E rated
• Applications: Industrial power systems, transformer protection
• AIC rating: [email protected]
• Connection: Ferrule
• Barrels: 1
• Weight: 22 lb
• Family: CS-3 Series