S&C Electric 454080R1 - SMD-1A Fuse 34.5kV/80A (Slow-Blow Medium Voltage Protection)

S&C Electric 454080R1 is a medium-voltage current-limiting fuse designed for high-voltage circuit protection in industrial power systems. This SMD-1A class fuse operates at 34,500V AC with an 80A current rating, featuring slow blow characteristics for controlled interruption of fault currents. The 10 lb unit employs robust construction with precision-calibrated fusible elements housed in a durable ceramic body, compliant with IEEE C37.40-2003 standards for medium-voltage fuses. Typical applications include transformer protection, capacitor bank safeguarding, and feeder circuit protection in utility substations and industrial switchgear.

Key Features & Specifications

• Type: SMD-1A slow-blow current-limiting fuse
• Voltage Rating: 34,500V AC
• Current Rating: 80A
• Class Rating: SMD-1A
• Velocity: Slow blow characteristic
• Weight: 10 lb
• Standards: IEEE C37.40-2003 compliant
• Applications: Transformer protection, capacitor banks, feeder circuits