Mersen A550X250E-1 - Medium Voltage Current-Limiting Fuse 250A (5500V, 63kA AIC)

Mersen A550X250E-1 is a medium voltage current-limiting fuse designed for protecting electrical equipment in industrial power distribution systems. This CS-3 series fuse features a 5500V AC voltage rating and 250A current rating with ferrule connections for secure installation. The single-barrel construction measures 3 inches in diameter with 12-inch clip center spacing and weighs 5 lb, built to withstand demanding industrial environments. It complies with industry standards for medium voltage protection and carries an E class rating with 63kA interrupting capacity at 5.5kV. Typical applications include motor control centers, transformers, and switchgear protection in industrial facilities.

Key Features & Specifications

• Type: Medium voltage current-limiting fuse, single barrel construction with ferrule connections
• Voltage Rating: 5500V AC
• Current Rating: 250A
• Dimensions: 3" diameter, 12" clip center spacing
• Standards: E class rating
• Applications: Industrial power distribution, motor control centers, transformers, switchgear
• AIC rating: [email protected]
• Connection: Ferrule
• Barrels: 1
• Weight: 5 lb
• Family: CS-3 Series
• Type: A055
• Item Subcategory: Medium Voltage