

| Brand | COOPER BUSSMANN |
|---|---|
| Manufacturer Part Number | FNQ-R-1-1/4 |
| Part Type | FUSE |
| UPC | 742682419571 |
The Cooper Bussmann FNQ-R-1-1 Bussmann TL time-delay fuse is a valuable component in electrical systems that require precise voltage control and overload protection. manufactured by Cooper Bussmann, a reputable name in electrical and electronic component manufacturing. This particular model, the FNQ-R-1-1, is a part of the TL series of time-delay fuses, which are designed to delay the fusing action until a specific voltage level or current level is reached.
This time-delay fuse is rated for 25600 Volts Alternating Current (VAC) and can handle a maximum current of 25 Amperes (A). It's essential for industrial and commercial applications where high-voltage systems are commonly used. The delay characteristic of this fuse provides an additional layer of protection against motor overloads and short-term overvoltages without interrupting the normal operation of the electrical equipment.
The FNQ-R-1-1 has a threaded body, which allows for easy and secure mounting on various enclosures utilizing standard mounting holes. Its design features a high-quality annealed sheath, ensuring excellent electrical conductivity, and a glass tube that provides visual fused indication, allowing users to easily identify when the fuse has been triggered. The fuse element is made of riveted tin-lead alloy, ensuring reliable and consistent performance under various operating conditions, including heavy loads and fluctuating voltages.
With a time delay rating of 1 minute for the first interruption and 3 minutes for the final interruption at 125% of the rated current, Cooper Bussmann's FNQ-R-1-1 Bussmann TL time-delay fuse delivers effective protection against damage to electrical systems without needlessly interrupting their operation. Its robust construction and precise voltage control make this fuse an ideal choice for various industrial, commercial, and OEM applications where high-voltage systems and time-delayed protection are essential.
The Cooper Bussmann FNQ-R-1-1 is a time-delay fuse designed for use in various applications, including power systems and industrial equipment. This fuse model features a rated voltage of 25600 VAC, a current rating of 25 A, and a time delay of 600ms. In this analysis, we will examine the pros and cons of purchasing a Cooper Bussmann FNQ-R-1-1 time-delay fuse.
II. Pros1. Protection against overcurrent: The primary function of a time-delay fuse is to provide protection against overcurrent conditions without causing an immediate interruption in the circuit. This can help prevent damage to expensive or sensitive equipment and reduce the risk of downtime.
2. Energy conservation: Time-delay fuses offer energy conservation benefits by allowing inrush currents to flow during start-up, which can save energy and reduce overall power consumption.
3. Improved system stability: The use of time-delay fuses can contribute to improved system stability and reliability by preventing frequent interruptions due to the brief, high inrush currents, which can help maintain a consistent power supply.
4. Overvoltage protection: This specific Cooper Bussmann model is rated for a high voltage of 25600 VAC, making it suitable for use in applications that require overvoltage protection.
III. Cons1. Higher initial cost: Time-delay fuses may have a slightly higher initial investment cost compared to general-purpose fast-acting fuses due to the more complex design and capabilities.
2. Complexity: The use of time-delay fuses requires a greater understanding of electrical systems and circuit design, and their installation may be more time-consuming and complex compared to simpler fuse types.
3. Limited application: Due to their specialized features, time-delay fuses may not be suitable for all applications and may require specialized equipment for testing and replacement.
IV. ConclusionIn conclusion, the Cooper Bussmann FNQ-R-1-1 time-delay fuse offers various advantages such as protection against overcurrent, energy conservation, improved system stability, and overvoltage protection, but it also comes with a higher initial cost, complexity, and limited application range. The decision to purchasethis fuse should be based on an evaluation of the specific application requirements, including voltage, current, and the system's complexity and stability concerns.
V. RecommendationIf an application requires the protection and benefits offered by time-delay fuses, such as improved system stability, energy conservation, and overvoltage protection, the Cooper Bussmann FNQ-R-1-1 time-delay fuse is a strong consideration. However, it is always advised to consult with a qualified electrical engineer or technician to ensure proper application, installation, and maintenance procedures are followed.
Bussman FNQ-R-1-1/4 claas cc time-delay fuse, 1.25 amp, 600 vac. Fast-acting fuse helps prevent equipment damage caused by short-circuit events class cc meets the needs of control circuit transformer protection 200ka interrupting rating complies with neck section 110.10 rhos compliant.
