Mersen A550X125E-1 - Medium Voltage Fuse 125A (5500V, 63kA AIC)

Mersen A550X125E-1 is a medium voltage current-limiting fuse designed for protecting electrical equipment in industrial power distribution systems. This Class E fuse features a 5500V voltage rating and 125A current rating, providing reliable overcurrent protection with a high interrupting capacity of 63kA at 5.5kV. The fuse construction includes a single-barrel design with ferrule connections, measuring 3 inches in diameter with 12-inch clip center spacing and weighing 5 lb. It complies with industry standards for medium voltage applications and is part of Mersen's CS-3 series, specifically designated as Type A055. Typical applications include motor protection, transformer circuits, and feeder protection in industrial facilities requiring robust medium voltage protection.

Key Features & Specifications

• Type: Medium voltage current-limiting fuse, Class E, single-barrel construction with ferrule connections
• Voltage Rating: 5500V AC
• Current Rating: 125A
• Dimensions: 3" diameter, 12" clip center spacing
• Standards: Industry standards for medium voltage protection
• Applications: Industrial power distribution, motor protection, transformer circuits, feeder protection
• AIC rating: [email protected]
• Connection: Ferrule
• Barrels: 1
• Class Rating: E
• Diameter: 3 inches
• Clip Center: 12 inches
• Weight: 5 lb
• Family: CS-3 Series
• Type: A055
• Item Subcategory: Medium Voltage