S&C Electric 122001R4 - SM-4 Fuse Refill 14.4kV Medium-Voltage Protection

S&C Electric 122001R4 is a SM-4 fuse refill designed for high-voltage circuit protection in industrial power distribution systems. It features a 14,400V voltage rating and standard velocity operation, engineered for reliable interruption of fault currents. The unit is constructed as a durable, single-barrel refill with a weight of 1 lb, complying with industry standards for medium-voltage protection. Its SM-4 classification ensures compatibility with corresponding fuse holders and switches. Typical applications include utility substations, industrial plants, and commercial power systems requiring robust overcurrent protection.

Key Features & Specifications

• Type: SM-4 fuse refill, single-barrel design
• Voltage Rating: 14,400V AC
• Family: SM-4 fuse system
• Weight: 1 lb
• Velocity: Standard interrupting speed
• Section: Fuse Refills
• Item Subcategory: Fuse Part And Accessory