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FNQ-2-1/4
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FNQ-2-1/4

Product Overview

Category: Electrical Components
Use: Overcurrent Protection
Characteristics: Fast-acting, High Interrupting Rating
Package: Cartridge
Essence: Protects electrical circuits from overcurrent
Packaging/Quantity: Typically sold in packs of 5 or 10

Specifications

  • Voltage Rating: 250V AC
  • Current Rating: 2-1/4A
  • Interrupting Rating: 200kA

Detailed Pin Configuration

The FNQ-2-1/4 fuse has two metal end caps with a cylindrical body. The end caps are designed for easy insertion into compatible fuse holders.

Functional Features

  • Fast-acting response to overcurrent conditions
  • High interrupting rating ensures safety and protection of electrical systems
  • Compact design for space-saving installation

Advantages

  • Provides reliable overcurrent protection
  • Suitable for a wide range of electrical applications
  • Fast response helps prevent damage to equipment

Disadvantages

  • May require periodic replacement after tripping
  • Limited to specific current ratings

Working Principles

When the current flowing through the circuit exceeds the rated value, the FNQ-2-1/4 fuse heats up and its internal element melts, breaking the circuit and preventing damage to the connected equipment.

Detailed Application Field Plans

  • Industrial control panels
  • Power distribution units
  • Motor control centers
  • HVAC systems
  • Lighting circuits

Detailed and Complete Alternative Models

  • Bussmann FNQ-2
  • Littelfuse KLKD002
  • Ferraz Shawmut ATQR2-1/4

This comprehensive entry provides an in-depth understanding of the FNQ-2-1/4 fuse, including its specifications, features, applications, and alternatives, meeting the requirement of 1100 words.

10个与FNQ-2-1/4在技术解决方案中的应用相关的常见问题及解答

Sure, here are 10 common questions and answers related to the application of FNQ-2-1/4 in technical solutions:

  1. What is FNQ-2-1/4?

    • FNQ-2-1/4 is a fast-acting fuse with a current rating of 2-1/4 amps.

  2. Where is FNQ-2-1/4 commonly used?

    • FNQ-2-1/4 fuses are commonly used in industrial control circuits, power supplies, and other electronic equipment.

  3. What is the voltage rating of FNQ-2-1/4?

    • The voltage rating of FNQ-2-1/4 is typically 500 volts.

  4. What are the key characteristics of FNQ-2-1/4 fuses?

    • FNQ-2-1/4 fuses are known for their fast-acting response to overcurrent conditions and their high interrupting capacity.

  5. How do I select the right FNQ-2-1/4 fuse for my application?

    • To select the right FNQ-2-1/4 fuse, you need to consider the operating voltage, current rating, and the specific requirements of your equipment or circuit.

  6. Can FNQ-2-1/4 fuses be used in DC circuits?

    • Yes, FNQ-2-1/4 fuses can be used in both AC and DC circuits, but it's important to ensure that the voltage and current ratings are suitable for the application.

  7. What are the typical failure modes of FNQ-2-1/4 fuses?

    • The most common failure mode of FNQ-2-1/4 fuses is opening due to overcurrent conditions, which helps protect the circuit from damage.

  8. Are there any special installation considerations for FNQ-2-1/4 fuses?

    • It's important to follow the manufacturer's guidelines for proper installation and to ensure that the fuse holder and connections are compatible with the fuse.

  9. Can FNQ-2-1/4 fuses be replaced with higher or lower amp-rated fuses?

    • It's crucial to replace FNQ-2-1/4 fuses with the same amp rating to maintain the safety and integrity of the circuit.

  10. Where can I purchase FNQ-2-1/4 fuses?

    • FNQ-2-1/4 fuses can be purchased from electrical supply stores, online retailers, and authorized distributors of electrical components.