Allis Chalmers 48FM3R-4 - FM-Class Fuse 4800V/3A (R-Class Current Limiting)

Allis Chalmers 48FM3R-4 is a medium voltage fuse designed for circuit protection in industrial power distribution systems. This FM-class fuse features a 4800V AC rating with a 3A current capacity, housed in a durable ferrule-connected single-barrel construction measuring 3" in diameter. Its R-class rating ensures reliable current limitation, while the 12" clip center spacing facilitates secure panel mounting. The fuse meets industry standards for medium-voltage applications, commonly protecting transformers, motors, and feeder circuits in utility and heavy industrial environments.

Key Features & Specifications

• Type: Medium voltage current-limiting fuse (FM class)
• Voltage Rating: 4800V AC
• Current Rating: 3A
• Dimensions: 3" diameter, 12" clip center
• Standards: R-class current limitation
• Applications: Transformer/motor protection, industrial feeders
• Connection: Ferrule
• Barrels: 1
• Weight: 9 lb