S&C Electric 676065 - SMD-3 Medium Voltage Fuse 69kV/65A (25kA AIC)

S&C Electric 676065 is a medium-voltage SMD-3 fuse designed for high-capacity circuit protection in industrial power distribution systems. Rated for 69,000V AC operation with a 65A current rating, this Class E fuse features a robust construction capable of interrupting 25kA fault currents at full voltage. The 250 lb unit employs standardized velocity characteristics for predictable clearing times and complies with IEEE C37.41 for medium-voltage fuses. Typical applications include substation feeder protection, transformer protection, and industrial plant main circuit protection where high interrupting capacity is critical.

Key Features & Specifications

• Type: Medium-voltage current-limiting fuse (SMD-3)
• Voltage Rating: 69,000V AC
• Current Rating: 65A
• AIC Rating: 25kA @ 69kV
• Class Rating: E
• Velocity: Standard clearing characteristics
• Weight: 250 lb
• Standards: IEEE C37.41 compliant
• Applications: Substation feeders, transformer protection, industrial main circuits