S&C Electric 122075R3 - SM-4 Medium Voltage Fuse 14.4 kV, 40 A (Class E)

The S&C Electric 122075R3 is a medium-voltage SM-4 power fuse designed to provide reliable overcurrent protection in electrical distribution systems. It features a 14.4 kV voltage rating and a 40 A current rating, engineered to interrupt fault currents safely and efficiently. The fuse is constructed as a Class E expulsion-type unit with a robust design, weighing 2 lb for manageable installation and maintenance. This component meets industry standards for medium-voltage applications, ensuring consistent performance and protection coordination. It is typically deployed in utility substations, industrial power distribution, and commercial electrical systems where dependable medium-voltage protection is required.

Key Features & Specifications

• Type: SM-4, Class E expulsion fuse
• Voltage Rating: 14400 V AC
• Current Rating: 40 A
• Dimensions: Standard SM-4 configuration
• Standards: Industry standards for medium-voltage protection
• Applications: Utility substations, industrial power distribution, commercial electrical systems
• Weight: 2 lb
• Item Subcategory: Medium Voltage
• Class Rating: E
• Mounting: Standard fuse mounting