Mersen A055F2DSR0-400E - Medium Voltage Fuse 5500V 400A (63kA AIC)

Mersen A055F2DSR0-400E is a medium voltage fuse designed for high-current circuit protection in industrial power systems. This Class E-rated fuse operates at 5500V AC with a 400A current rating and delivers 63kA interrupting capacity at 5.5kV for reliable fault protection. The ferrule-connected design features a robust 3-inch diameter construction with dual barrels and 12-inch clip center spacing for secure panel mounting. Compliant with industry standards for medium voltage applications, this CS-3 series fuse is engineered for transformer protection, motor circuits, and heavy industrial equipment requiring high interrupting capacity.

Key Features & Specifications

• Type: Medium voltage current-limiting fuse (Class E)
• Voltage Rating: 5500V AC
• Current Rating: 400A
• Dimensions: 3" diameter, 12" clip center
• Standards: Meets medium voltage protection requirements
• Applications: Industrial power distribution, transformers, motor circuits
• AIC rating: [email protected]
• Connection: Ferrule
• Barrels: 2
• Weight: 7 lb
• Family: CS-3 Series

Product Identification

• UPC: 78200180265
• GTIN: 00782001802653