Bussmann LIMITRON KTS-R Series Class RK1 Fast-Acting Fuse

Bussmann LIMITRON KTS-R Series Class RK1 Fast-Acting Fuse

The Bussmann KTS-R Series is the Eaton Bussmann LIMITRON fast-acting fuse family, engineered for reliable overcurrent protection in panelboards and electrical distribution equipment. This Class RK1 fuse family is available in ratings from 15A through 250A (KTS-R-15, KTS-R-20, KTS-R-25, KTS-R-30, KTS-R-60, KTS-R-100, and KTS-R-250), with every option carrying a 600 Vac rating and a 200 kAIC interrupt rating at 600 Vac for dependable short-circuit protection in demanding commercial and industrial applications. Each KTS-R fuse features a non-indicating design with blade end x blade end terminals for secure panelboard mounting, along with durable 70/30 brass end caps for long-lasting electrical contact. As a LIMITRON fast-acting fuse line, the KTS-R Series is engineered to respond quickly to overcurrent conditions, helping protect panelboards, feeders, and connected equipment from damaging fault currents. Electrical contractors and facility engineers rely on the KTS-R Series for code-compliant fuse protection across a wide range of 600 Vac panelboard systems.

Key Features

• Amperage Range: Available from 15A up to 250A to cover a broad range of panelboard circuit protection needs.
• Voltage Rating: 600 Vac rating across the series, suitable for commercial and industrial power distribution systems.
• Interrupt Rating: 200 kAIC at 600 Vac provides high fault-current withstand capability for demanding installations.
• Fuse Class: Class RK1 fuse classification for standardized, code-recognized panelboard protection.
• LIMITRON Fast-Acting Design: Fast-acting LIMITRON construction responds quickly to overcurrent and short-circuit conditions.
• Terminal Configuration: Blade end x blade end terminals for secure, reliable panelboard fuse holder mounting.
• End Cap Construction: 70/30 brass end caps deliver durable, corrosion-resistant electrical contact points.
• Non-Indicating Design: Standard non-indicating construction simplifies installation in panelboard fuse blocks across the series.

Technical Specifications

• Amperage Range: 15A - 250A (KTS-R-15, KTS-R-20, KTS-R-25, KTS-R-30, KTS-R-60, KTS-R-100, KTS-R-250)
• Voltage Rating: 600 Vac
• Interrupt Rating: 200 kAIC at 600 Vac
• Fuse Class: RK1
• End Cap Material: 70/30 Brass
• Terminal Style: Blade End x Blade End

Typical Applications

• Panelboard Overcurrent Protection
• Commercial and Industrial Electrical Distribution Systems
• Branch Circuit Fuse Protection
• Short-Circuit and Fault Current Protection
• Feeder Circuit Protection in 600 Vac Systems
• Electrical Equipment and Panelboard Retrofits

Why Bussmann?

Bussmann fuses are engineered by Eaton to deliver dependable, code-compliant overcurrent protection backed by rigorous construction standards. The KTS-R Series combines a 200 kAIC interrupt rating at 600 Vac with durable 70/30 brass end caps, giving electrical professionals confidence across the full 15A-250A range in demanding panelboard applications. As part of the trusted LIMITRON Class RK1 fast-acting fuse family, the KTS-R Series is built to help protect equipment, wiring, and personnel from damaging overcurrent conditions. Choose Bussmann for consistent, reliable fuse performance in commercial and industrial electrical systems.