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

Bussmann 5MCLS-18R-B is a medium voltage current-limiting fuse designed for protecting electrical distribution systems against short-circuit faults. It features a 4800V voltage rating with a 390A current rating, providing reliable overcurrent protection in demanding industrial environments. The fuse employs a two-barrel MCLS construction with bolt-in connection terminals and measures 3 inches in diameter with a 19.2-inch clip center spacing. Certified to IEEE Std. C37.41 standards, this R-class fuse delivers 50kA interrupting capacity at 4.8kV for high-fault current applications. Typical applications include industrial power distribution, motor control centers, and medium voltage switchgear where robust short-circuit protection is required.

Key Features & Specifications

• Type: Medium voltage current-limiting fuse, MCLS type, 2-barrel construction
• Voltage Rating: 4800V AC
• Current Rating: 390A
• Dimensions: 3" diameter, 19.2" clip center
• Standards: IEEE Std. C37.41
• Applications: Industrial power distribution, motor control centers, medium voltage switchgear
• AIC rating: [email protected]
• Connection: Bolt In
• Class Rating: R
• Barrels: 2
• Weight: 4.25 lb
• Certification: IEEE Std. C37.41

Product Identification

• UPC: 051712532648
• GTIN: 00786685409368