Bussmann KTQ-4 - RK1 Class Fuse 4A 600V (10kA AIC)

Bussmann KTQ-4 is a current-limiting fuse designed for protecting electrical circuits and equipment from overcurrent and short-circuit conditions in low voltage applications. It features a 600V AC voltage rating and a 4A current rating, providing reliable interruption of fault currents. The fuse is constructed as a single-barrel design with a 2.5-inch diameter and weighs 5.19 lb, built to RK1 class specifications for time-delay characteristics. It complies with industry standards for current-limiting protection and carries a 10kA interrupting rating at 600V AC. This fuse is typically applied in industrial control circuits, motor branch circuits, and transformer protection where coordinated overload protection is required.

Key Features & Specifications

• Type: Current-limiting time-delay fuse, RK1 class, single barrel construction
• Voltage Rating: 600V AC
• Current Rating: 4A
• Dimensions: 2.5-inch diameter
• Standards: RK1 class rating
• Applications: Industrial control circuits, motor protection, transformer protection
• AIC rating: 10kA@600V
• Barrels: 1
• Class Rating: RK1
• Diameter: 2.5 inches
• Weight: 5.19 lb
• Family: KTQ Series
• Item Subcategory: Low Voltage
• Manufacturer: Eaton