Mersen A550X450E-1 - Medium Voltage Current-Limiting Fuse 450A (63kA AIC @ 5.5kV)

Mersen A550X450E-1 is a medium voltage current-limiting fuse from the CS-3 series designed for circuit protection in industrial power distribution systems. This Class E fuse features a 5500V voltage rating and 450A current rating, providing reliable overcurrent protection with a high interrupting capacity of 63kA at 5.5kV. The fuse construction utilizes a single-barrel ferrule connection design with a 3-inch diameter and 12-inch clip center spacing, weighing 22 lb for robust industrial applications. It complies with industry standards for medium voltage protection and is typically deployed in motor control centers, transformer protection, and heavy industrial equipment where high fault current interruption is critical.

Key Features & Specifications

• Type: Medium Voltage Current-Limiting Fuse, Single Barrel, Ferrule Connection
• Voltage Rating: 5500V AC
• Current Rating: 450A
• Dimensions: 3" Diameter, 12" Clip Center
• Standards: Class E Rating
• Applications: Industrial Power Distribution, Motor Control Centers, Transformer Protection
• AIC rating: [email protected]
• Weight: 22 lb
• Family: CS-3 Series
• Connection: Ferrule
• Barrels: 1
• Class Rating: E