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

Mersen A550X20E-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 20A current rating with a high interrupting capacity of 63kA at 5.5kV. Constructed with a single-barrel ferrule connection design, the fuse measures 3 inches in diameter and requires 12-inch clip center spacing for proper installation. The Class E rated fuse complies with industry standards for medium voltage protection applications, making it suitable for motor circuits, transformers, and capacitor banks in industrial facilities.

Key Features & Specifications

• Type: Medium voltage current-limiting fuse, single barrel construction with ferrule connection
• Voltage Rating: 5500V AC
• Current Rating: 20A
• Dimensions: 3" diameter, 12" clip center spacing
• Standards: Class E rated
• Applications: Industrial power distribution, motor protection, transformer circuits, capacitor banks
• AIC rating: [email protected]
• Connection: Ferrule
• Barrels: 1
• Class Rating: E
• Diameter: 3 inches
• Clip Center: 12 inches
• Weight: 4 lb
• Family: CS-3 Series
• Item Subcategory: Medium Voltage