S&C Electric 489020R5 - SMD-2B High Voltage Fuse (138kV 20A 8.75kA AIC)

S&C Electric 489020R5 is a high-voltage SMD-2B fuse link designed for circuit protection in electrical distribution systems. Rated for 138,000V AC with a 20A current capacity, this slow-blow fuse features an 8.75kA interrupting capacity at rated voltage for reliable fault isolation. The 15 lb unit meets SMD-2B class specifications with robust construction for industrial environments, complying with IEEE C37.40 standards for high-voltage fuses. Typical applications include substation protection, transformer circuits, and utility distribution networks where precise overcurrent protection is critical.

Key Features & Specifications

• Type: High-voltage SMD-2B slow-blow fuse link
• Voltage Rating: 138,000V AC
• Current Rating: 20A
• AIC Rating: 8.75kA @ 138kV
• Class Rating: SMD-2B
• Operating Characteristics: Slow blow velocity
• Weight: 15 lb
• Section: Fuse Link