S&C Electric 704003 - SMU-20 Power Fuse 34.5kV Class K (3A Fast-Acting)

The S&C Electric 704003 is a medium-voltage SMU-20 current-limiting power fuse designed for reliable circuit protection in high-voltage electrical systems. It features a 34.5 kV voltage rating and a 3A current rating, providing robust overcurrent protection for critical infrastructure. Constructed as a single-barrel, fast-acting fuse with a Class K rating, this unit ensures rapid interruption of fault currents and is built to withstand demanding industrial environments. This fuse complies with industry standards for medium-voltage applications, making it suitable for use in utility substations, industrial power distribution, and commercial facility protection systems.

Key Features & Specifications

• Type: SMU-20 current-limiting power fuse, single-barrel construction
• Voltage Rating: 34,500V AC
• Current Rating: 3A
• Class Rating: K
• Interrupting Rating: High interrupting capacity
• Operating Characteristics: Fast-acting velocity
• Weight: 2 lb
• Barrels: 1
• Item Subcategory: Medium Voltage
• Applications: Utility substations, industrial power distribution, commercial facility protection