S&C Electric 488250R4 - SMD-2B High Voltage Fuse 115kV/250A (Slow-Blow Characteristic)

S&C Electric 488250R4 is a high-voltage SMD-2B current-limiting fuse designed for protecting electrical distribution systems up to 115kV. Rated for 250A continuous current with a slow-operating characteristic, this 30 lb industrial fuse provides reliable overcurrent protection through its precision-engineered fusible elements housed in a durable ceramic body. The SMD-2B class fuse meets rigorous industry standards for high-voltage applications, including ANSI/IEEE C37.40-2003 compliance, making it suitable for substations, utility feeders, and industrial power distribution networks where selective coordination is critical.

Key Features & Specifications

• Type: SMD-2B class high-voltage current-limiting fuse with slow-operating characteristic
• Voltage Rating: 115,000V AC
• Current Rating: 250A continuous
• Class Rating: SMD-2B
• Operating Characteristic: Slow blow
• Weight: 30 lb
• Standards: ANSI/IEEE C37.40-2003 compliant
• Applications: Utility substations, industrial power distribution, feeder protection