Mersen A550X450E-1 - Medium Voltage Fuse 5500V/450A (63kA AIC @5.5kV)

Mersen A550X450E-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 voltage rating and 450A current rating, with a 63kA interrupting capacity at 5.5kV for reliable fault protection. The Class E-rated fuse has a robust ferrule connection, single-barrel construction, and measures 3" in diameter with 12" clip center spacing, weighing 22 lb for secure panel mounting. It complies with industry standards for medium-voltage applications, including power distribution equipment, transformers, and motor circuits requiring 5.5kV protection.

Key Features & Specifications

• Type: Current-limiting medium voltage fuse (Class E)
• Voltage Rating: 5500V AC
• Current Rating: 450A
• Dimensions: 3" diameter, 12" clip center
• Weight: 22 lb
• Standards: Medium voltage fuse requirements
• Applications: Industrial power systems, transformers, motor circuits
• AIC rating: [email protected]
• Connection: Ferrule
• Barrels: 1
• Family: CS-3 Series
• Subcategory: Medium Voltage Fuse