Ferraz Shawmut A550X150E-1 - Medium Voltage Fuse 5500V 150A (63kA AIC)

Ferraz Shawmut A550X150E-1 is a medium voltage current-limiting fuse designed for high-voltage circuit protection in industrial applications. This Class E fuse features a 5500V AC voltage rating and 150A current rating, housed in a durable ferrule-connected single-barrel design with a 3-inch diameter and 12-inch clip center spacing. Constructed for demanding environments, it offers a 63kA interrupting capacity at 5.5kV and complies with industry standards for medium-voltage protection. Typical applications include motor starters, transformers, and capacitor banks in utility and heavy industrial systems.

Key Features & Specifications

• Type: Current-limiting medium voltage fuse (CS-3 Series, Type A055)
• Voltage Rating: 5500V AC
• Current Rating: 150A
• Dimensions: 3" diameter, 12" clip center
• Standards: Class E rated
• Applications: Industrial motor circuits, transformers, capacitor protection
• Connection: Ferrule
• Barrels: 1
• AIC rating: [email protected]
• Weight: 5 lb