S&C Electric 820400 - SMU-40 Medium Voltage Fuse 4800V/400A (IEEE C37.40 Compliant)

S&C Electric 820400 Fuse is a medium-voltage current-limiting fuse designed for protecting electrical distribution systems up to 4.8kV. Rated for 400A continuous operation with standard interrupting characteristics, this SMU-40 class fuse features robust construction with precision-engineered fusible elements for reliable fault isolation. Its industrial-grade design meets IEEE C37.40-2003 standards for medium-voltage fuses, making it suitable for transformer protection, capacitor banks, and feeder circuits in utility and industrial power systems.

Key Features & Specifications

• Type: SMU-40 current-limiting medium-voltage fuse
• Voltage Rating: 4800V AC
• Current Rating: 400A continuous
• Class Rating: SMU-40
• Standards: IEEE C37.40-2003 compliant
• Applications: Transformer protection, capacitor banks, feeder circuits
• Velocity: Standard interrupting characteristics