Bussmann KTK-R-7 Class CC Fast-Acting Fuse

Product Overview

Buy Bussmann KTK-R-7 Fuse online. The KTK-R-7 is a 7 A, 600 Vac LIMITRON KTK-R series Class CC current-limiting, fast-acting fuse designed for branch-circuit protection where rapid operation and high interrupting capacity are required. Its rejection-style construction is intended for Class CC circuit protection and helps protect Electrical Equipment from damaging short-circuit events.

With a 200 kA RMS symmetrical interrupting rating, this compact fuse is suitable for critical industrial and commercial circuits that require effective current limitation. Typical uses include Industrial Control panels, industrial machinery, lighting protection, capacitor circuits, and power distribution, supporting Industrial Automation and Machine Control systems when the specified circuit requirements match the fuse ratings.

For OEM equipment maintenance and Replacement Parts sourcing, the Bussmann KTK-R-7 provides a standardized Class CC format for compatible fuse holders. It can support selected Automation Components and Industrial Applications where equipment documentation specifies a 7 A, 600 Vac fast-acting Class CC fuse.

Technical Specifications & Features

• Brand: Bussmann
• Manufacturer Part Number: KTK-R-7
• Category: Fuse
• Product Series: LIMITRON KTK-R
• Rated Current: 7 A
• Rated Voltage: 600 Vac
• Connection Type: Ferrule end x ferrule end
• Material: Melamine tube
• Dimensions: 1.5 x 0.41 x 0.41 in
• Weight: 0.02 lb
• Certification: UL Listed, CSA Certified, CE Marked, RoHS Compliant

The KTK-R-7 combines fast-acting response with current-limiting performance to reduce the effects of short-circuit current on protected equipment. Its 200 kA interrupting rating supports use in circuits with substantial available fault current, while the rejection feature helps maintain the intended Class CC protection level when used with a compatible holder.

The compact ferrule-end construction supports straightforward installation in suitable fuse blocks and holders. The standardized dimensions and recognized agency certifications make the fuse practical for industrial maintenance, control-panel assembly, and qualified OEM replacement programs.

Applications

The Bussmann KTK-R-7 is used in industrial control panels and machinery, street lighting, general lighting, capacitor circuits, and distribution equipment. These applications make it relevant to Industrial Automation, Industrial Control, Machine Control, manufacturing equipment, and other Electrical Equipment requiring fast-acting Class CC protection.

For maintenance and replacement work, verify the current rating, voltage rating, fuse class, interrupting rating, and holder compatibility against the original equipment documentation. This supports correct selection for OEM equipment, Automation Components, Replacement Parts inventories, and other Industrial Applications.

Bulk purchase and RFQ are available. Contact us for quantity pricing, lead time, and shipping options.