Bussmannn FRS-R-300 - Class RK5 Fuse 300A (200kA@600V Interrupt Rating)

Bussmannn FRS-R-300 is a Class RK5 low-voltage fuse designed for circuit protection in industrial electrical systems. It features a 600V AC rating with a 300A current capacity and 200kA interrupting rating at 600V for reliable short-circuit protection. The fuse measures 11-5/8 inches in length with a 2.34-inch diameter, constructed as a single-barrel design weighing 1 lb. Certified to UL 248-12 (Guide JDDZ), CSA Class 1422-01, and CE standards, it meets rigorous safety requirements for commercial power distribution, motor control centers, and industrial panelboards.

Key Features & Specifications

• Type: Fusetron time-delay fuse with Class RK5 current-limiting design
• Voltage Rating: 600V AC
• Current Rating: 300A
• Dimensions: 11-5/8" length x 2.34" diameter
• Standards: UL 248-12 (JDDZ), CSA 1422-01, CE
• Applications: Industrial power distribution, MCCs, panelboards
• Class Rating: RK5
• AIC rating: 200kA@600V
• Barrels: 1
• Weight: 1 lb
• Country of Origin: Mexico

Product Identification

• UPC: 051712508513
• GTIN: 00051712508513