Mersen A550X20E-1 - Medium Voltage Fuse 20A 5500V (63kA AIC)

Mersen A550X20E-1 is a medium voltage current-limiting fuse from the CS-3 series designed for protecting electrical equipment in industrial power systems. This Class E fuse operates at 5500V with a 20A current rating and provides 63kA interrupting capacity at 5.5kV for reliable short-circuit protection. The fuse features a single-barrel ferrule connection design with a 3-inch diameter and 12-inch clip center spacing, constructed for robust performance in demanding environments. It complies with industry standards for medium voltage applications and is typically employed in motor control centers, transformers, and feeder circuits where high-voltage protection is critical.

Key Features & Specifications

• Type: Current-limiting medium voltage fuse, single barrel, ferrule connection
• Voltage Rating: 5500V AC
• Current Rating: 20A
• Dimensions: 3-inch diameter, 12-inch clip center
• Standards: Class E rating
• Applications: Industrial power systems, motor control centers, transformers
• AIC rating: [email protected]
• Connection: Ferrule
• Barrels: 1
• Weight: 4 lb
• Family: CS-3 Series
• Item Subcategory: Medium Voltage