Eaton
התמונה עשויה להיות ייצוג.
ראה מפרטים לפרטי מוצר.
FNQ-R-2-1/2
צפה בפרטים DataSheets

FNQ-R-2-1/2

Product Overview

Category

FNQ-R-2-1/2 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-2-1/2 fuse is typically packaged in a protective casing to prevent damage during transportation and handling.

Essence

The essence of FNQ-R-2-1/2 lies in its ability to provide reliable overcurrent protection in various electrical applications.

Packaging/Quantity

The FNQ-R-2-1/2 fuse is commonly available in packs of 5 or 10, depending on the manufacturer.

Specifications

  • Current Rating: 2.5A
  • Voltage Rating: 250V
  • Interrupting Rating: 200kA

Detailed Pin Configuration

The FNQ-R-2-1/2 fuse has a cylindrical body with metal end caps. The pins are located at each end of the fuse, allowing for easy installation into compatible fuse holders.

Functional Features

  • Fast response to overcurrent conditions
  • Reliable protection against short circuits
  • Suitable for a wide range of electrical systems

Advantages

  • Small form factor
  • High interrupting rating
  • Reliable overcurrent protection

Disadvantages

  • Limited voltage rating
  • May require frequent replacement in high-demand applications

Working Principles

When the current flowing through the circuit exceeds the rated value, the FNQ-R-2-1/2 fuse heats up and melts, interrupting the flow of current and protecting the circuit from damage.

Detailed Application Field Plans

The FNQ-R-2-1/2 fuse is commonly used in: - Industrial control panels - Power distribution units - Motor control centers - HVAC systems - Lighting circuits

Detailed and Complete Alternative Models

  • Bussmann FRN-R-2-1/2
  • Littelfuse KLK-R-2-1/2
  • Ferraz Shawmut ATQR2-1/2

In conclusion, the FNQ-R-2-1/2 fuse offers reliable overcurrent protection in a compact package, making it suitable for a wide range of electrical applications.

[Word count: 330]

רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של FNQ-R-2-1/2 בפתרונות טכניים

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

    • FNQ-R-2-1/2 is a type of time-delay fuse with a 2-1/2 amp rating, commonly used for protecting circuits and equipment from overcurrent conditions.

  2. Where is FNQ-R-2-1/2 typically used?

    • FNQ-R-2-1/2 fuses are commonly used in industrial control panels, motor control centers, and other electrical equipment to provide overcurrent protection.

  3. What are the key features of FNQ-R-2-1/2 fuses?

    • FNQ-R-2-1/2 fuses are compact, time-delay fuses designed to provide reliable overcurrent protection while allowing for temporary inrush currents during equipment startup.

  4. How do I select the right fuse size for my application?

    • The selection of FNQ-R-2-1/2 fuses should be based on the specific current and voltage ratings of the equipment or circuit being protected, as well as the expected inrush currents during operation.

  5. What are the advantages of using FNQ-R-2-1/2 fuses over other types of fuses?

    • FNQ-R-2-1/2 fuses offer precise overcurrent protection with a time-delay feature, making them suitable for applications where temporary inrush currents are common.

  6. Can FNQ-R-2-1/2 fuses be used in combination with other protective devices?

    • Yes, FNQ-R-2-1/2 fuses can be used in conjunction with other protective devices such as circuit breakers and surge protectors to provide comprehensive protection for electrical systems.

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

    • Common failure modes include melting due to sustained overcurrent conditions, as well as physical damage from mechanical stress or environmental factors.

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

    • Proper installation techniques, including ensuring correct fuse sizing and proper mounting, are essential to ensure the reliable operation of FNQ-R-2-1/2 fuses.

  9. How often should FNQ-R-2-1/2 fuses be inspected or replaced?

    • Periodic inspection of FNQ-R-2-1/2 fuses is recommended to check for signs of damage or wear, and replacement should be carried out according to the manufacturer's recommendations or in response to any detected issues.

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

    • FNQ-R-2-1/2 fuses can be purchased from authorized distributors, electrical supply stores, or directly from manufacturers specializing in electrical components.