Bussmann FRN-R-85 - Class RK5 Time-Delay Fuse 85A (200kA AIC @ 250V AC)

The Bussmann FRN-R-85 is a Class RK5 time-delay fuse from the Fusetron family designed to provide reliable circuit protection for motor circuits and other inductive loads requiring high interrupting capacity. It features a 250V AC voltage rating with a 85A current rating and offers a 200,000A interrupting rating at 250V AC to safely clear high-level faults. The fuse construction utilizes a single-barrel design with dimensions of 5 inches in length and 0.81 inches in both height and width, weighing 1 lb with a 1.06-inch diameter. This fuse meets industry standards for RK5 classification and is commonly applied in industrial control panels, motor branch circuits, and feeder circuits where time-delay characteristics and high fault current protection are required.

Key Features & Specifications

• Type: Class RK5 time-delay fuse, single barrel construction
• Voltage Rating: 250V AC
• Current Rating: 85A
• Dimensions: 5" L × 0.81" H × 0.81" W (1.06" diameter)
• Standards: RK5 classification
• Applications: Motor circuits, industrial control panels, feeder circuits
• AIC rating: 200kA @ 250V AC
• Barrels: 1
• Class Rating: RK5
• Diameter: 1.06 inches
• Weight: 1 lb

Product Identification

• UPC: 051712152785
• GTIN: 00051712152785