Bussmann FRS-R-400 - Time-Delay Fuse 400A (RK5 Class, 200kA AIC)

Bussmann FRS-R-400 is a Fusetron time-delay fuse designed for comprehensive circuit protection in industrial power distribution systems. This 400A rated fuse provides reliable overload and short-circuit protection with a 600V AC voltage rating and 200kA interrupting capacity. The fuse features a 2.34-inch diameter and 11-5/8-inch length construction with RK5 class rating for superior current limitation. It complies with UL 248-12, CSA Certification Class 1422-01, and CE standards for industrial safety requirements. Typical applications include motor branch circuits, feeder circuits, and industrial control panels where time-delay characteristics prevent nuisance openings during motor starting.

Key Features & Specifications

• Type: Fusetron time-delay fuse, RK5 class, single barrel construction
• Voltage Rating: 600V AC
• Current Rating: 400A
• Dimensions: 11-5/8 inch length, 2.34 inch diameter
• Standards: UL 248-12 Guide JDDZ, CSA Certification Class 1422-01, CE
• Applications: Motor branch circuits, feeder circuits, industrial control panels
• AIC rating: 200kA@600V
• Class Rating: RK5
• Barrels: 1
• Weight: 2 lb
• Country of Origin: Mexico

Product Identification

• UPC: 051712508537
• GTIN: 00051712508537