S&C Electric 474040 - SMD-50 Fuse 40A (34.5 kV, 6.7 kA AIC)

S&C Electric 474040 is a medium-voltage current-limiting fuse designed for protecting electrical distribution systems from fault currents. It features a 34.5 kV voltage rating and 40 A current rating with an interrupting capacity of 6.7 kA at 34.5 kV. The fuse utilizes a standard velocity interruption mechanism housed in a durable construction weighing 150 lb. This SMD-50 class fuse complies with industry standards for medium-voltage protection applications. It is typically employed in utility and industrial power distribution systems for transformer and feeder circuit protection.

Key Features & Specifications

• Type: SMD-50 current-limiting fuse, medium voltage protection
• Voltage Rating: 34,500 V AC
• Current Rating: 40 A
• Dimensions: Standard SMD-50 configuration
• Standards: Industry standard medium voltage protection
• Applications: Electrical distribution systems, transformer protection, feeder circuits
• AIC Rating: 6.7 kA @ 34.5 kV
• Class Rating: SMD-50
• Velocity: Standard interruption
• Weight: 150 lb