Bussmann KTN-R-50 LIMITRON Class RK1 Fast-Acting Fuse

Bussmann KTN-R-50 LIMITRON Class RK1 Fast-Acting Fuse, 50A/250V

The Bussmann KTN-R-50 is a LIMITRON series Class RK1 fast-acting fuse engineered for reliable overcurrent protection in panelboards and other electrical distribution equipment. This fuse is rated 50A at 250V and features a melamine glass tube body fitted with 70/30 brass end caps for durable, conductive construction. It is supplied with ferrule end x ferrule end terminals for straightforward mounting into standard fuse clips and holders, and it is built as a non-indicating fuse body. As part of the Bussmann LIMITRON KTN-R family, the KTN-R-50 is designed to deliver fast-acting response for Class RK1 rated applications, providing dependable circuit protection where LIMITRON KTN-R type fuses are specified.

Key Features

• Amperage Rating: 50A rating suited for panelboard branch circuit protection.
• Voltage Rating: 250V rated for use on compatible electrical distribution systems.
• Class RK1 Fast-Acting Design: Part of the Bussmann LIMITRON series, providing fast-acting overcurrent response.
• LIMITRON Series: Manufactured as part of the Bussmann LIMITRON KTN-R fuse family.
• Ferrule End x Ferrule End Terminals: Ferrule-style terminals on both ends for compatibility with standard fuse clips and holders.
• Melamine Glass Tube Construction: Durable melamine glass tube body supports consistent fuse performance.
• 70/30 Brass End Caps: Brass end caps provide a secure, conductive connection at each terminal.
• Non-Indicating: Standard non-indicating fuse body without a blown-fuse indicator.
• Panelboard-Rated: Sized and rated for use in panelboards requiring Class RK1 protection.

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Typical Applications

• Panelboard Circuit Protection
• Branch Circuit Overcurrent Protection
• Commercial and Industrial Electrical Distribution Equipment
• Replacement Fuse for LIMITRON KTN-R Series Applications
• General Purpose Overcurrent Protection for Electrical Equipment
• Equipment and Electrical Panel Protection

Why Bussmann?

Bussmann fuses are built with durable materials, including melamine glass tube bodies and 70/30 brass end caps, to deliver consistent, dependable overcurrent protection. The KTN-R-50 Class RK1 fast-acting fuse reflects the LIMITRON series' reputation for reliable performance in panelboard and electrical distribution applications. Ferrule end x ferrule end terminals make this fuse straightforward to install into compatible fuse clips and holders for professional electrical work.