Mersen A1550X125E-1D - Medium Voltage Fuse 15.5kV 125A (50kA AIC, Class E)

Mersen A1550X125E-1D 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 125A current capacity, it features a dual-barrel ferrule connection and delivers 50kA interrupting capacity at full voltage. The Class E-rated fuse measures 3" in diameter with 18" clip centers, constructed for durability in demanding environments while meeting industry standards for medium-voltage applications. Typical uses include transformer protection, motor starters, and switchgear in utility and heavy industrial settings.

Key Features & Specifications

• Type: Current-limiting medium voltage fuse, dual-barrel design
• Voltage Rating: 15,500V AC
• Current Rating: 125A
• Dimensions: 3" diameter, 18" clip center spacing
• Standards: Class E rated
• Applications: Industrial power systems, transformer protection
• AIC rating: 50kA @ 15.5kV
• Connection: Ferrule termination
• Barrels: 2
• Weight: 26 lb