Bussmann FNQ-R-3/4 Limitron Time-Delay Midget Fuse, 600V

Bussmann FNQ-R-3/4 Limitron Time-Delay Midget Fuse, 600V

The Bussmann FNQ-R-3/4 Limitron fuse is a 600V midget-style, time-delay (TD) fuse engineered for dependable overcurrent protection in electrical circuits and equipment. Part of the Bussmann Limitron series, this FNQ-R-3/4 fuse pairs a compact midget form factor with time-delay performance, allowing it to ride through momentary inrush current and temporary overload conditions while still opening quickly under sustained fault or short-circuit conditions. The 600V voltage rating supports use across a range of industrial, commercial, and OEM power distribution applications where a small physical footprint is required alongside dependable circuit protection. As a time-delay fuse, the FNQ-R-3/4 is well suited to circuits that experience brief current spikes during normal operation, such as motor starting, without sacrificing fast response to genuine overcurrent events.

Key Features

• Model Designation: FNQ-R-3/4 identifies this fuse within the Bussmann Limitron product line, distinguishing it from other amperage and voltage variants in the family.
• Voltage Rating: Rated 600V, supporting use in a wide range of circuit voltages found in commercial and industrial electrical systems.
• Time-Delay (TD) Operation: Time-delay fuse construction is designed to tolerate brief overload conditions, such as motor inrush current, without nuisance opening, while still responding to sustained overcurrent conditions.
• Midget Fuse Style: The compact midget-style body is sized to fit standard midget fuse blocks and holders, making it a practical choice where panel space is limited.
• Limitron Series: Backed by the Bussmann Limitron fuse family, a line recognized in the electrical industry for dependable overcurrent protection.
• Overcurrent Protection: Designed to help protect conductors, equipment, and connected loads from damage caused by excessive current flow.

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Typical Applications

• Commercial and Industrial Electrical Distribution Systems
• Motor Circuit and Equipment Overcurrent Protection
• Panelboard, Switchboard, and Fuse Block Installations
• OEM Equipment and Control Panel Protection
• Renovation and New Construction Electrical Projects

Why Bussmann?

Bussmann is a recognized name in overcurrent protection, and the FNQ-R-3/4 Limitron time-delay midget fuse reflects that focus on compact, dependable components engineered for demanding electrical environments. Choosing a Bussmann Limitron fuse helps electrical professionals maintain consistent, code-compliant protection across commercial, industrial, and OEM installations. With time-delay performance built into a space-saving midget fuse body, the FNQ-R-3/4 gives installers a reliable option for circuits where both compact size and dependable protection matter.