Bussmann ALS-400B - ALS Class Fuse 400A@48VDC (5kA Interrupt Rating)

Bussmann ALS-400B is a low-voltage fuse designed for high-current circuit protection in industrial DC applications. Rated for 400A at 48VDC with a 5kA interrupting capacity, this stud-mount fuse provides reliable overcurrent protection for demanding environments. Its compact 3-3/4" single-barrel construction features UL Recognized (JFHR2, E56412) compliance for safety-critical systems. The ALS series meets rigorous industry standards for DC power distribution in renewable energy, telecom, and heavy equipment applications where stable 48V systems require robust protection.

Key Features & Specifications

• Type: ALS class stud-mount low-voltage fuse
• Voltage Rating: 48VDC
• Current Rating: 400A
• Dimensions: 3-3/4" length
• Weight: 1 lb
• Connection: Stud mount
• Barrels: 1
• Certification: UL Recognized (JFHR2, E56412)
• AIC rating: 5kA@48VDC
• Standards: Industrial DC circuit protection
• Applications: Renewable energy systems, telecom power, industrial DC distribution

Product Identification

• UPC: 051712395601
• GTIN: 00051712395601