Cooper Bussmann KTQ-5 - RK1 Fuse 5A (10kA@600V Interrupt Rating)

Cooper Bussmann KTQ-5 is a low-voltage RK1 class fuse designed for circuit protection in industrial electrical systems. It features a 600V AC/DC voltage rating and 5A current rating with a 10kA@600V interrupting capacity for reliable overcurrent protection. The fuse has a compact cylindrical design with a 0.81" diameter and single-barrel construction, meeting industry standards for time-delay protection. Compliant with UL/CSA requirements, this fuse is commonly used in motor control centers, transformers, and power distribution panels where selective coordination is critical.

Key Features & Specifications

• Type: RK1 time-delay fuse with sand-filled ceramic body
• Voltage Rating: 600V AC/DC
• Current Rating: 5A
• Diameter: 0.81 inches (20.57mm)
• Class Rating: RK1
• AIC Rating: 10kA@600V
• Barrels: 1
• Standards: UL 248-5, CSA C22.2 No. 248.5
• Applications: Motor branch circuits, transformer protection, industrial control panels