Mersen A1550X20E-1 - Medium Voltage Fuse 15.5kV/20A (50kA AIC, Class E)

Mersen A1550X20E-1 is a medium voltage current-limiting fuse from the CS-3 Series, designed for high-voltage circuit protection in industrial power systems. Rated for 15.5kV AC with a 20A current capacity, this Class E fuse features a ferrule connection and single-barrel construction capable of interrupting 50kA fault currents. The compact 3-inch diameter unit weighs 13 lb with standardized 15-inch clip center spacing, meeting stringent medium-voltage protection requirements. Compliant with industry standards for high-voltage applications, it is commonly deployed in transformer protection, motor starters, and switchgear installations.

Key Features & Specifications

• Type: Current-limiting medium voltage fuse, single-barrel ferrule design
• Voltage Rating: 15,500V AC
• Current Rating: 20A
• Dimensions: 3" diameter, 15" clip center spacing
• Standards: Class E rating
• Applications: Transformer protection, motor starters, switchgear
• AIC rating: [email protected]
• Connection: Ferrule
• Barrels: 1
• Weight: 13 lb