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

Mersen A550X350E-1 is a medium voltage current-limiting fuse from the CS-3 series designed to provide reliable overcurrent protection in industrial power distribution systems. It features a 5500V AC voltage rating and 350A current rating, housed in a robust 3-inch diameter single-barrel construction with ferrule connections for secure installation. This Class E fuse meets industry standards with a 63kA interrupting rating at 5.5kV and is engineered for demanding applications including motor control centers, transformers, and switchgear protection where high fault current interruption is critical.

Key Features & Specifications

• Type: Medium Voltage Current-Limiting Fuse, CS-3 Series, Single Barrel
• Voltage Rating: 5500V AC
• Current Rating: 350A
• Dimensions: 3" Diameter, 12" Clip Center
• Standards: Class E Rating
• Applications: Industrial Power Distribution, Motor Control Centers, Switchgear Protection
• AIC Rating: 63kA @ 5.5kV
• Connection: Ferrule
• Barrels: 1
• Weight: 22 lb
• Mounting: Clip Mount