S&C Electric 121200R3 - SM-4 Power Fuse 7200V (Class E, 125A)

The S&C Electric 121200R3 is a medium-voltage SM-4 power fuse designed to provide reliable overcurrent protection for electrical distribution systems. It features a 7200V voltage rating and a 125A current rating, engineered to interrupt fault currents safely and efficiently. The fuse is constructed with a standard velocity fuse element housed within a durable assembly, contributing to its compact design with a weight of 2 lb. This Class E rated fuse complies with industry standards for medium-voltage protection applications, making it suitable for use in utility distribution networks, industrial power systems, and commercial electrical infrastructure.

Key Features & Specifications

• Type: SM-4 Power Fuse, Medium Voltage, Standard Velocity
• Voltage Rating: 7200V AC
• Current Rating: 125A
• Class Rating: E
• Weight: 2 lb
• Item Subcategory: Medium Voltage