Bussmann KTK-R-3/4 Fast Acting Fuse

Overview

The Bussmann KTK-R-3/4 is a high-performance, fast-acting fuse designed for reliable circuit protection in demanding electronic and electrical applications. Engineered for rapid response to overcurrent conditions, this fuse safeguards sensitive equipment by interrupting fault currents before damage occurs. Ideal for industrial controls, power supplies, and instrumentation, it combines precision engineering with Eaton Bussmann’s renowned safety standards.

Key Features

• Fast-Acting Protection: Opens within milliseconds to clear short circuits and overloads, minimizing downtime and component damage.
• High Interrupting Rating: Rated for 50,000A at 250V AC/DC, ensuring reliability in high-fault scenarios.
• Precision Current Rating: 0.75A (3/4 Amp) capacity for low-current circuit protection.
• Robust Construction: Ceramic tube body with flame-retardant filler and radial leads for secure PCB mounting.
• Compact Design: Standard 1/4″ x 1-1/4″ (6.3mm x 31.8mm) dimensions fit common fuse holders and panels.
• Certified Compliance: UL Recognized (E109669) and CSA Certified, meeting international safety standards.

Technical Specifications

Applications

• Industrial control panels
• Power supply units (PSUs)
• Test and measurement equipment
• HVAC systems
• Telecommunications devices
• Medical electronics
• Automation systems

Why Choose This Fuse?

• Fail-Safe Operation: Prevents fire hazards and equipment failure by isolating faults instantly.
• Long Service Life: Stable performance across temperature fluctuations and voltage surges.
• Easy Integration: Compatible with standard KTK-R fuse clips and holders.
• Trusted Brand: Backed by Eaton Bussmann’s century-long expertise in circuit protection.

⚠️ Note: Always replace with identical specifications. Verify system voltage/current requirements before installation.