Mersen A550X40E-1 - Medium Voltage Fuse 40A 5500V (Class E, 63kA AIC)

Mersen A550X40E-1 is a medium voltage current-limiting fuse from the CS-3 series designed for circuit protection in industrial power distribution systems. It features a 5500V voltage rating and 40A current rating, providing reliable overcurrent protection for electrical equipment. The fuse utilizes a single-barrel ferrule connection design with a 3-inch diameter and 12-inch clip center spacing, constructed for robust performance in demanding environments. This Class E rated fuse meets industry standards for medium voltage applications and offers an interrupting rating of 63kA at 5.5kV. Typical applications include motor protection, transformer protection, and feeder circuit protection in industrial facilities and utility substations.

Key Features & Specifications

• Type: Medium voltage current-limiting fuse, single barrel ferrule connection
• Voltage Rating: 5500V AC
• Current Rating: 40A
• Dimensions: 3" diameter, 12" clip center spacing
• Standards: Class E rated
• Applications: Industrial power distribution, motor protection, transformer protection
• AIC rating: [email protected]
• Connection: Ferrule
• Barrels: 1
• Class Rating: E
• Diameter: 3 inches
• Clip Center: 12 inches
• Weight: 11 lb
• Family: CS-3 Series
• Item Subcategory: Medium Voltage

Product Identification

• Manufacturer: Mersen/Ferraz Shawmut
• Type: A055