Bussmann NOS-400 - Class H Low Voltage Fuse 400A (10kA@600V Interrupting Rating)

Bussmann NOS-400 is a Class H low-voltage fuse designed for circuit protection in industrial power distribution systems. This 400A rated fuse operates at 600V AC with an interrupting rating of 10kA, providing reliable overcurrent protection. The single-barrel construction features a 2.59-inch diameter and measures 11-5/8 inches in length with a robust 3 lb design. Certified to UL, CSA, and CE standards including UL File E4273 and CSA File 53787, this fuse meets industry requirements for safety and performance. Typical applications include service entrance equipment, motor control centers, and industrial panelboards where high-interrupting capacity protection is essential.

Key Features & Specifications

• Type: Class H low-voltage fuse, single barrel construction
• Voltage Rating: 600V AC
• Current Rating: 400A
• Dimensions: 11-5/8 inches length, 2.59 inches diameter
• Weight: 3 lb
• Standards: UL Listed (File E4273), CSA Certified (Class 1421-01, File 53787), CE, Guide JDDZ, STD 248-6
• Applications: Industrial power distribution, service entrance equipment, motor control centers, panelboards
• AIC rating: 10kA@600V
• Class Rating: H
• Barrels: 1
• Family: NOS Series
• Country of Origin: Mexico

Product Identification

• UPC: 051712314008
• GTIN: 00051712314008