Mersen A550X50E-1 - Medium Voltage Fuse 5500V/50A (63kA AIC @5.5kV)

Mersen A550X50E-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 50A current capacity and 63kA interrupting capacity at 5.5kV, housed in a durable 3-inch diameter ferrule-connected single-barrel construction. The Class E-rated fuse meets stringent industry standards for medium voltage applications with 12-inch clip center spacing and weighs 11 lb for robust mechanical stability. Its current-limiting design provides reliable protection for transformers, motors, and switchgear in utility and industrial power distribution systems.

Key Features & Specifications

• Type: Current-limiting medium voltage fuse (A055 type)
• Voltage Rating: 5500V AC
• Current Rating: 50A
• Dimensions: 3" diameter, 12" clip center
• Standards: Class E rated
• Applications: Industrial power systems, transformers, switchgear
• AIC rating: [email protected]
• Connection: Ferrule
• Barrels: 1
• Weight: 11 lb
• Family: CS-3 Series