Allis Chalmers 48FM18R-5 - Class R Fuse 18A 4800V (Medium Voltage)

The Allis Chalmers 48FM18R-5 is a medium-voltage power fuse designed to provide reliable overcurrent protection in demanding industrial electrical systems. It features a 4800V AC voltage rating and an 18A current rating, engineered to interrupt high fault currents safely. The fuse is constructed with a robust 2-barrel ferrule connection design, measures 3 inches in diameter with a 12-inch clip center spacing, and has a substantial weight of 20 lb, indicating its durable build for heavy-duty applications. It complies with industry standards for Class R fuses, ensuring enhanced safety and rejection of non-current-limiting fuses in compatible holders. This fuse is typically applied in industrial power distribution, motor control centers, and feeder circuits where medium-voltage protection is critical.

Key Features & Specifications

• Type: FM Class R, medium-voltage, current-limiting power fuse with ferrule connection
• Voltage Rating: 4800V AC
• Current Rating: 18A
• Dimensions: 3-inch diameter, 12-inch clip center
• Standards: Class R
• Applications: Industrial power distribution, motor control centers, feeder circuits
• Connection: Ferrule
• Barrels: 2
• Class Rating: R
• Item Subcategory: Medium Voltage
• Weight: 20 lb