Allis Chalmers 48FM4R-4 - Medium Voltage Fuse 4800V AC (Class R, 4A)

The Allis Chalmers 48FM4R-4 is a medium-voltage power fuse designed to provide reliable overcurrent protection in industrial electrical systems. It features a 4800V AC voltage rating and a 4A current rating, engineered for high-interrupting capacity applications. The fuse is constructed with a single-barrel ferrule connection design, measures 3 inches in diameter with a 12-inch clip center spacing, and has a robust build weighing 9 lb. This Class R fuse complies with industry standards for medium-voltage protection, ensuring safe operation in demanding environments. Typical applications include motor control centers, transformer protection, and industrial power distribution systems where selective coordination and high fault current interruption are required.

Key Features & Specifications

• Type: Medium-voltage power fuse, single-barrel, ferrule connection, Class R
• Voltage Rating: 4800V AC
• Current Rating: 4A
• Dimensions: 3" diameter, 12" clip center
• Weight: 9 lb
• Class Rating: R
• Connection: Ferrule
• Barrels: 1
• Item Subcategory: Medium Voltage
• Standards: Industrial medium-voltage protection standards
• Applications: Motor control centers, transformer protection, industrial power distribution