Bussmann LPN-RK-125SPI - Low-Peak Time-Delay Fuse 125A (300kA AIC @ 250V)

The Bussmann LPN-RK-125SPI is a Low-Peak time-delay fuse designed for branch circuit and feeder protection in industrial electrical systems. It features a 125A current rating and 250V voltage rating with a high 300kA interrupting capacity at rated voltage. The fuse measures 7-1/8 inches in length with a 1.61-inch diameter and weighs 1.69 lb, constructed as a single-barrel RK1 class device. It complies with multiple safety standards including UL, CSA C22.2 No. 248.12, and CE certifications. This fuse is typically applied in motor circuits, transformers, and power distribution equipment where current-limiting protection and time-delay characteristics are required.

Key Features & Specifications

• Type: Low-Peak time-delay fuse, RK1 class, single barrel construction
• Voltage Rating: 250V AC
• Current Rating: 125A
• Dimensions: 7-1/8 inches length, 1.61 inches diameter
• Weight: 1.69 lb
• 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 circuits, transformers, industrial power distribution
• AIC rating: 300kA@250V
• Class Rating: RK1
• Barrels: 1
• Family: Low-Peak
• Country of Origin: Mexico

Product Identification

• UPC: 05171262675
• GTIN: 00051712626750