S&C Electric 703040 - SMU-20 Medium Voltage Fuse 25kV/40A (Class K)

S&C Electric 703040 is a medium-voltage SMU-20 fuse designed for high-capacity circuit protection in industrial power systems. Rated for 25,000V AC with a 40A current capacity, this Class K fuse features a single-barrel construction with "K" velocity characteristics for rapid fault interruption. The 1 lb unit meets stringent industry standards for medium-voltage applications, including utility substations and large industrial facilities requiring reliable overcurrent protection.

Key Features & Specifications

• Type: SMU-20 medium-voltage fuse with single-barrel design
• Voltage Rating: 25,000V AC
• Current Rating: 40A
• Class Rating: K
• Velocity: K (fast-acting interruption)
• Weight: 1 lb
• Applications: Utility substations, industrial power distribution, medium-voltage switchgear