Electrical Fuse

Product Details:

LV HRC fuse element, NH00, In: 125 A, gG, Un AC: 500 V, Un DC: 250 V, Combined indicator, live grip lugs
LV HRC fuse element, NH00, In: 125 A, gG, Un AC: 500 V, Un DC: 250 V, Combined indicator, live grip lugs
LV HRC fuse element, NH00, In: 125 A, gG, Un AC: 500 V, Un DC: 250 V, Combined indicator, live grip lugs
LV HRC fuse element, NH00, In: 125 A, gG, Un AC: 500 V, Un DC: 250 V, Combined indicator, live grip lugsLV HRC fuse element, NH00, In: 125 A, gG, Un AC: 500 V, Un DC: 250 V, Combined indicator, live grip lugs

Additional Information:

• Delivery Time: READY
• Packaging Details: STD

Product Details:

Siemens offers HRC (High Rupturing Capacity) fuses as part of their circuit protection solutions. These fuses are designed to protect electrical systems from overcurrents and short circuits by safely interrupting the flow of excessive current. The "high rupturing capacity" refers to the fuse's ability to interrupt very high fault currents without causing damage to the system or fuse enclosure

1. 3NA3 Series (Low-voltage HRC fuses)

   • Application: General-purpose protection for industrial control panels, transformers, and motors.
   • Voltage: Up to 690V
   • Current Range: 2A to 1250A
   • Breaking Capacity: Up to 120kA
   • Key Models:
     • 3NA3 800 (HRC fuse, size 00)
     • 3NA3 801 (HRC fuse, size 01)
     • 3NA3 802 (HRC fuse, size 02)

2. 3NE1 Series (HRC fuses for semiconductor protection)

   • Application: Specially designed for the protection of power semiconductor devices like diodes and thyristors.
   • Voltage: Up to 690V
   • Current Range: 10A to 800A
   • Breaking Capacity: Up to 100kA
   • Key Models:
     • 3NE1 810 (HRC fuse for semiconductor protection)
     • 3NE1 820 (Semiconductor fuse with higher current rating)

3. 3ND3 Series (HRC fuses for medium-voltage systems)

   • Application: Protection of transformers and medium-voltage switchgear.
   • Voltage: Up to 36kV
   • Current Range: 6A to 315A
   • Breaking Capacity: Up to 63kA
   • Key Models:
     • 3ND3 103 (Medium-voltage HRC fuse)
     • 3ND3 210 (HRC fuse for transformer protection)

4. 3NW7 Series (HRC fuse links for low-voltage switchgear)

   • Application: Used for protection of switchgear in low-voltage distribution networks.
   • Voltage: Up to 690V
   • Current Range: 2A to 1250A
   • Breaking Capacity: Up to 100kA
   • Key Models:
     • 3NW7 010 (HRC fuse, size 00)
     • 3NW7 011 (HRC fuse, size 01)

Advantages of Siemens HRC Fuses:

• High breaking capacity makes them suitable for circuits where high fault currents may occur.
• Compact design ensures easy installation in various types of electrical panels and distribution boards.
• Reliability and safety with precise response to overcurrent conditions.

These fuses are commonly used in industries such as manufacturing, power generation, and energy distribution, where reliable overcurrent protection is critical.

Let me know if you need more specific details on any of these models!

Product Details:

A fuse base is a device used to mount and hold fuses securely in electrical circuits. It provides the connection points for both ends of the fuse, ensuring safe and reliable contact within the circuit. Fuse bases are designed to accommodate specific types of fuses (e.g., HRC fuses, cartridge fuses, etc.) and ensure quick replacement and maintenance of the fuses in case of failure.

Key Features of a Fuse Base:

1. Mounting Support: Provides a stable platform for fuses in panels or electrical installations.
2. Safe Fuse Replacement: Allows easy and safe replacement of fuses without disturbing the connected circuits.
3. Contact Reliability: Ensures proper electrical contact between the fuse and the electrical circuit.
4. Thermal Resistance: Designed to handle high temperatures caused by current flow through the fuse.
5. Insulation: High-quality insulation materials ensure that the base can withstand high voltages and current surges.
6. Durability: Made of robust materials like ceramic, plastic, or composite materials to provide a long operational life.

Types of Fuse Bases:

1. DIN Rail Mount Fuse Bases

   • Designed to be mounted on DIN rails, commonly used in industrial and commercial control panels.
   • Compatible with HRC and cylindrical fuses.
   • Models: Siemens 3NP1 (for 3NA3 HRC fuses)

2. Panel Mount Fuse Bases

   • Mounted directly onto panels or switchboards.
   • Usually larger and used for higher capacity fuses like HRC fuses.
   • Models: Siemens 3NW7 series fuse bases for HRC fuses

3. Screw-Type Fuse Bases

   • Require screws for installation and are more common in older or smaller setups.
   • Can handle various types of fuses including cylindrical and glass tube fuses.

4. Clip-Type Fuse Bases

   • Use spring-loaded clips to hold the fuse in place, allowing quick and easy fuse replacement.
   • Used for low voltage, fast-replaceable fuse systems.

5. High-Voltage Fuse Bases

   • Designed for medium- and high-voltage systems where fuses may need to protect transformers and switchgear.
   • Models: Siemens 3ND series fuse bases for medium-voltage systems

Siemens Fuse Base Models:

1. Siemens 3NP1 Series (DIN Rail Mount)

   • Application: For use with Siemens 3NA3 HRC fuses.
   • Features: Snap-fit design for easy installation on DIN rails.
   • Voltage Rating: Up to 690V
   • Current Rating: 2A to 1250A

2. Siemens 3NW7 Fuse Bases (Panel Mount)

   • Application: Designed for use with HRC fuses in low-voltage distribution networks.
   • Features: Ceramic construction for high thermal resistance.
   • Voltage Rating: Up to 690V
   • Current Rating: 2A to 1250A

3. Siemens 3ND3 Series (Medium Voltage Fuse Bases)

   • Application: For medium-voltage systems, typically paired with medium-voltage HRC fuses.
   • Features: High insulating materials and robust mechanical construction.
   • Voltage Rating: Up to 36kV
   • Current Rating: 6A to 315A

Selecting a Fuse Base:

When choosing a fuse base, it is important to consider:

• Fuse type and size (e.g., HRC, cylindrical, or cartridge fuses).
• Current and voltage ratings to ensure compatibility with the fuse and the circuit.
• Mounting style (DIN rail, panel mount, etc.) to match the installation requirements.
• Thermal and mechanical durability based on the application environment.

 

Additional Information:

• Item Code: 3NP1
• Production Capacity: STD
• Delivery Time: READY
• Packaging Details: STD

Product Details:

Siemens HRC (High Rupturing Capacity) fuses are safety devices designed to protect electrical equipment and circuits from overcurrents, including short circuits. These fuses are commonly used in industrial and commercial settings due to their high reliability and capability to interrupt high fault currents safely. Here's a breakdown of the key aspects:

Key Features of Siemens HRC Fuses:

1. High Rupturing Capacity: These fuses are designed to break large fault currents without causing damage to surrounding equipment or the fuse enclosure.

2. Fuse Element: The fuse element is made of materials like silver or copper, designed to melt and break the circuit when current exceeds a certain threshold, providing protection.

3. Current Ratings: HRC fuses come with a wide range of current ratings, making them suitable for both low-voltage and high-voltage applications.

4. Speed: They are classified as fast-acting or time-delay (slow-blow), depending on the response time required for the specific application.

5. Arc Quenching: When the fuse element melts, it quickly extinguishes any arc that forms, preventing further damage or fire hazards.

6. Applications: Siemens HRC fuses are used to protect transformers, motors, generators, and other high-power devices in industrial power distribution systems.

7. Types:

   • NH Fuse Links: These are knife-type fuses commonly used in industrial switchgear.
   • DIN-type Fuses: Standardized fuses that fit into specific bases or holders for easy replacement.

Benefits:

• High breaking capacity ensures safety even under extreme fault conditions.
• Compact size with high reliability.
• Reduces downtime by quickly isolating faulty circuits.

Siemens HRC fuses are critical for protecting electrical systems from severe overcurrent conditions, ensuring the safety and longevity of both equipment and operators

Additional Information:

• Item Code: 3N
• Production Capacity: STD
• Delivery Time: READY
• Packaging Details: STD