Mersen A550X40E-1 - Medium Voltage Fuse 5500V/40A (63kA AIC @5.5kV)

Mersen A550X40E-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 40A current capacity and 63kA interrupting capacity at 5.5kV, housed in a durable ferrule-connected single-barrel design with 12" clip centers. The Class E-rated fuse measures 3" in diameter and weighs 11 lb, constructed to meet stringent medium-voltage protection requirements. It complies with industry standards for medium-voltage applications including motor protection, transformer protection, and capacitor bank protection in utility and industrial power distribution systems.

Key Features & Specifications

• Type: Current-limiting medium voltage fuse (Class E)
• Voltage Rating: 5500V AC
• Current Rating: 40A
• Dimensions: 3" diameter, 12" clip center
• Standards: Meets medium-voltage protection requirements
• Applications: Industrial power systems, motor protection, transformer protection
• AIC rating: [email protected]
• Connection: Ferrule
• Barrels: 1
• Weight: 11 lb
• Family: CS-3 Series
• Subcategory: Medium Voltage Fuse