Bussmann LPS-RK-400SP - Low-Peak RK1 Fuse 400A 600V (300kA AIC Rating)

Bussmann LPS-RK-400SP is a Class RK1 low-voltage current-limiting fuse designed for robust circuit protection in industrial power distribution systems. It features a 400A current rating and 600V AC voltage rating with a high 300kA interrupting capacity at rated voltage for reliable fault protection. The fuse construction utilizes a single-barrel design with 2.36-inch diameter and 11-5/8-inch length, weighing 2 lb, incorporating time-delay characteristics to prevent nuisance tripping from motor starting currents. It complies with multiple industry standards including UL, CSA, and CE certifications for safety and performance verification. Typical applications include protection of motor circuits, transformers, and feeder circuits in industrial plants, commercial buildings, and electrical distribution equipment.

Key Features & Specifications

• Type: Low-Peak RK1 current-limiting fuse with time-delay characteristics
• Voltage Rating: 600V AC
• Current Rating: 400A
• Dimensions: 11-5/8 inch length, 2.36 inch diameter
• Standards: UL Special Purpose Guide JFHR, Guide JDDZ, File E4273, CSA Class 1422-02, File 53787, CSA C22.2 No. 248.12, CE
• Applications: Motor circuit protection, transformer protection, feeder circuit protection
• Class Rating: RK1
• AIC rating: 300kA@600V
• Barrels: 1
• Weight: 2 lb

Product Identification

• UPC: 051712548557
• GTIN: 00051712548557