S&C Electric 614175 - SMU-20 Medium Voltage Fuse 34.5kV/175A (Class E)

S&C Electric 614175 SMU-20 is a medium-voltage current-limiting fuse designed for high-voltage circuit protection in industrial power systems. Rated for 34,500V AC with a 175A current capacity, this Class E fuse features a single-barrel construction with standard interrupting velocity for reliable fault isolation. The 2 lb unit meets industry standards for medium-voltage protection with robust mechanical construction. Its design complies with ANSI/IEEE standards for high-voltage fuses, making it suitable for substations, transformers, and feeder circuit applications where precise overcurrent protection is critical.

Key Features & Specifications

• Type: SMU-20 current-limiting medium-voltage fuse
• Voltage Rating: 34,500V AC
• Current Rating: 175A
• Class Rating: E
• Barrels: 1
• Velocity: Standard interrupting
• Weight: 2 lb
• Applications: Substation equipment, transformer protection, industrial feeders