FLNR350.X Product Overview

Product Category: Electrical Fuses

Use: FLNR350.X is a class RK5 dual-element time-delay fuse designed for use in electrical circuits to protect against overcurrent and short-circuit conditions.

Characteristics: The FLNR350.X fuse is known for its high interrupting rating, time-delay feature, and dual-element design, making it suitable for protecting motors, transformers, and other critical electrical equipment.

Package: The FLNR350.X fuse is typically packaged in a protective cardboard box or plastic container to ensure safe transportation and storage.

Essence: The essence of the FLNR350.X fuse lies in its ability to provide reliable overcurrent and short-circuit protection in various electrical applications.

Packaging/Quantity: The FLNR350.X fuse is commonly available in packs of 1 or more, depending on the supplier.

Specifications

• Voltage Rating: 250V
• Current Rating: 350A
• Interrupting Rating: 200kA
• Operating Temperature: -40°C to 70°C
• Dimensions: 2.75" x 1" x 1"

Detailed Pin Configuration

The FLNR350.X fuse features a standard blade-type terminal configuration with clearly marked input and output terminals for easy installation and replacement.

Functional Features

• Time-Delay: The fuse offers time-delay characteristics to accommodate inrush currents without sacrificing protection.
• Dual-Element Design: Provides both overload and short-circuit protection, enhancing the safety of the protected circuit.
• High Interrupting Rating: Ensures the fuse can safely interrupt fault currents up to 200kA, minimizing the risk of damage to the electrical system.

Advantages and Disadvantages

Advantages - Reliable Overcurrent Protection - Suitable for Motor and Transformer Applications - High Interrupting Rating

Disadvantages - Limited to Specific Voltage and Current Ratings - Requires Replacement After Activation

Working Principles

The FLNR350.X fuse operates based on the principle of thermal and magnetic protection. When the current exceeds the rated value, the fuse element heats up, causing it to melt and open the circuit, thereby protecting downstream equipment from damage.

Detailed Application Field Plans

Industrial Machinery: Used to protect motors and control circuits in industrial machinery applications.

Power Distribution: Installed in power distribution panels to safeguard transformers and other critical components.

Renewable Energy Systems: Employed in solar and wind power systems to protect inverters and battery banks.

Detailed and Complete Alternative Models

• FLNR400.X: Higher current rating for applications requiring greater protection.
• FLNR300.X: Lower current rating suitable for smaller electrical loads.

In conclusion, the FLNR350.X fuse is a vital component in electrical systems, offering reliable overcurrent and short-circuit protection with its unique time-delay and dual-element design. Its application spans across various industries, ensuring the safety and integrity of critical electrical equipment.

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