Bussmann 5MCLS-18R-B - MCLS Current-Limiting Fuse 4800V/390A (50kA AIC @4.8kV)

Bussmann 5MCLS-18R-B is a medium-voltage current-limiting fuse designed for high-interrupting-capacity circuit protection in industrial power systems. It features a 4800V AC voltage rating and 390A current rating with a 50kA interrupting capacity at 4.8kV, housed in a durable 3-inch diameter, 4.25 lb bolt-in configuration with dual barrels. The fuse meets IEEE Std. C37.41 standards and carries an R-class rating, making it suitable for transformer protection, motor circuits, and feeder applications in utility and heavy industrial environments.

Key Features & Specifications

• Type: MCLS current-limiting fuse with silver-sand construction
• Voltage Rating: 4800V AC
• Current Rating: 390A
• Dimensions: 3" diameter, 19.2" clip center spacing
• Standards: IEEE Std. C37.41
• Applications: Transformer/motor protection, industrial feeders
• Class Rating: R
• Connection: Bolt-in
• Barrels: 2
• AIC rating: [email protected]
• Weight: 4.25 lb

Product Identification

• UPC: 051712532648
• GTIN: 00786685409368