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FNQ-R-2
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FNQ-R-2 Encyclopedia Entry

Product Overview

Category

FNQ-R-2 belongs to the category of electrical fuses.

Use

It is used for protecting electrical circuits from overcurrent and short circuit conditions.

Characteristics

  • Fast-acting
  • High interrupting rating
  • Compact size

Package

The FNQ-R-2 fuse is typically available in a cylindrical, ceramic or glass tube package.

Essence

The essence of FNQ-R-2 lies in its ability to provide reliable overcurrent protection in various electrical applications.

Packaging/Quantity

The FNQ-R-2 fuse is commonly packaged in quantities of 5, 10, or 20 units per pack.

Specifications

  • Current Rating: 2A
  • Voltage Rating: 250V
  • Interrupting Rating: 10kA

Detailed Pin Configuration

The FNQ-R-2 fuse has two metal end caps that serve as the pin connections. These end caps are designed for easy insertion into compatible fuse holders.

Functional Features

  • Fast response to overcurrent conditions
  • High interrupting capability
  • Reliable protection for sensitive electronic components

Advantages

  • Small form factor
  • Suitable for protecting sensitive equipment
  • Wide operating temperature range

Disadvantages

  • Limited fault-clearing capacity compared to some larger fuses
  • May require special tools for replacement

Working Principles

When the current flowing through the FNQ-R-2 fuse exceeds its rated value, the fuse element heats up and melts, opening the circuit and preventing damage to downstream components.

Detailed Application Field Plans

The FNQ-R-2 fuse is commonly used in: - Industrial control systems - Power supplies - Electronic equipment

Detailed and Complete Alternative Models

Some alternative models to FNQ-R-2 include: - FNM-2 - FNQ-1 - FNQ-R-3

In conclusion, the FNQ-R-2 fuse offers fast-acting, reliable overcurrent protection with a compact design, making it suitable for a wide range of electrical applications.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням FNQ-R-2 у технічних рішеннях

  1. What is FNQ-R-2?

    • FNQ-R-2 is a fuse rating designation that indicates the time-delay characteristic and current rating of a fuse.

  2. When should I use FNQ-R-2 fuses in technical solutions?

    • FNQ-R-2 fuses are commonly used in applications where there is a need for time-delay protection against overcurrent conditions, such as motor control circuits and industrial equipment.

  3. What is the current rating of FNQ-R-2 fuses?

    • The current rating of FNQ-R-2 fuses typically ranges from 1 to 30 amps, making them suitable for a variety of low to moderate current applications.

  4. How do FNQ-R-2 fuses differ from other fuse types?

    • FNQ-R-2 fuses have a time-delay characteristic, which means they can withstand temporary overloads without immediately blowing, making them ideal for protecting sensitive equipment.

  5. Can FNQ-R-2 fuses be used in DC circuits?

    • Yes, FNQ-R-2 fuses are suitable for use in both AC and DC circuits, providing versatile overcurrent protection in various technical solutions.

  6. Are FNQ-R-2 fuses interchangeable with other fuse ratings?

    • It's important to use the correct fuse rating for the specific application, so while some interchangeability may exist, it's best to consult the technical specifications and standards for proper fuse selection.

  7. What are the temperature and voltage ratings of FNQ-R-2 fuses?

    • FNQ-R-2 fuses typically have temperature ratings of 75°C or 90°C and voltage ratings ranging from 250V to 600V, depending on the specific model.

  8. Do FNQ-R-2 fuses require any special installation considerations?

    • FNQ-R-2 fuses should be installed according to the manufacturer's guidelines and in compliance with relevant electrical codes to ensure safe and effective operation.

  9. Can FNQ-R-2 fuses be used in outdoor or harsh environments?

    • Some FNQ-R-2 fuses are designed for outdoor or harsh environment applications, but it's essential to select the appropriate model with the necessary environmental ratings.

  10. Where can I find detailed technical information about FNQ-R-2 fuses?

    • Detailed technical information about FNQ-R-2 fuses can be found in the product datasheets provided by fuse manufacturers, as well as in industry standards and specifications related to fuse selection and application.