Cooper Bussmann LPN-RK-400 - Low-Peak Fuse 400A@250V (300kA AIC)

Cooper Bussmann LPN-RK-400 is a Low-Peak time-delay fuse designed for circuit protection in low-voltage applications. This RK1-class fuse features a 400A current rating and 250V voltage rating with a 300kA interrupting capacity, housed in a durable 2.36" diameter single-barrel construction with knife blade terminals. The fuse meets industry standards for time-delay protection and high fault current interruption in industrial power distribution systems. Typical applications include motor branch circuits, transformers, and feeder protection where selective coordination is required.

Key Features & Specifications

• Type: LPN-RK time-delay fuse, single barrel construction
• Voltage Rating: 250V AC
• Current Rating: 400A
• Dimensions: 2.36" diameter
• Standards: UL/CSA listed
• Applications: Industrial power distribution, motor protection
• Class Rating: RK1
• Connection: Knife blade
• AIC rating: 300kA@250V
• Weight: 2 lb

Product Identification

• GTIN: 051712538558