High-Temperature Performance for Demanding Applications: A Comprehensive Guide to Feichun H07G-K 450/750V Cables

Reliable Wiring in High-Temperature Environments: The Feichun H07G-K 450/750V Cable Solution

In industries where safety, reliability, and performance are crucial, selecting the right cable is essential, especially when dealing with high temperatures. Feichun has been a leader in providing high-quality cabling solutions designed for challenging applications.

One such solution is the Feichun H07G-K 450/750V cable, a specially engineered product built to withstand elevated temperatures and meet the rigorous demands of modern industrial environments.

This cable is engineered for use in applications requiring internal wiring of luminaires, heating systems, electrical machines, switchgear, and distribution boards.

Designed for protected, fixed installations in dry indoor areas, the Feichun H07G-K can handle ambient temperatures above 55°C, offering optimal performance in high-temperature environments.

It is also suitable for use in devices with a rated voltage of Uo/U 600/1000V AC or up to Uo/U 750/1500V DC. This article aims to provide a comprehensive understanding of the H07G-K's construction, specifications, installation best practices, and how it addresses key challenges in high-temperature wiring.

The Challenges of High-Temperature Wiring and the H07G-K Solution

Addressing the Challenges of Elevated Temperatures in Electrical Wiring

Working in high-temperature environments comes with its own set of challenges that can significantly affect the performance and safety of electrical systems. Here are some common issues encountered:

Degradation of Standard Insulation

Standard PVC insulation is often not suitable for high-temperature environments because it can degrade quickly when exposed to heat beyond its rated limits.

Over time, the insulation may crack, lose flexibility, and increase the risk of electrical faults, posing serious safety hazards.

Reduced Current Carrying Capacity

As temperature increases, the current carrying capacity of cables generally decreases. This means that conductors can carry less electrical load under higher thermal stress, which can result in overheating and even system failure if not properly managed.

Safety Concerns

The risks associated with improper wiring in high-temperature environments cannot be overstated. Without the proper insulation and protection, cables are prone to fires, electrical shocks, and other hazards that can compromise the safety of workers and equipment.

The Feichun H07G-K 450/750V cable was specifically designed to address these challenges.

With its high-temperature insulation and robust construction, it ensures safe, reliable, and efficient performance in demanding environments, making it the perfect choice for various industrial applications.

Technical Specifications and Standards Compliance

Engineered for High-Temperature Performance: Technical Details and Standards

When selecting cables for high-temperature environments, it's important to consider compliance with relevant standards. The Feichun H07G-K cable meets a range of industry standards, ensuring its reliability and safety. Here’s an overview of the key technical specifications:

Standards Compliance:

• DIN EN 50565-2: Specifies test methods for cables under fire conditions.

• EN 50525-2-42: Defines requirements for flexible cables with special heat resistance.

• UL 758, AWM-Style 3443: Describes appliance wiring material standards.

• DIN EN 60228 / IEC 60228: Specifies requirements for conductors of insulated cables.

• EN 50363-1: Defines requirements for insulating, sheathing, and bedding compounds.

• DIN VDE 0298-4: Specifies the current-carrying capacities for cables.

• DIN VDE 0298-3: Guidelines for the selection and installation of cables in power systems.

Conductor:

Material: Tinned, round, finely stranded copper (Class 5).

Advantages: The tinned copper ensures corrosion resistance, especially important in high-temperature environments.

The Class 5 stranding provides high flexibility, making the cable suitable for dynamic installations where bending and movement are required.

Insulation:

Material: EVA Rubber.

Advantages: EVA (Ethylene Vinyl Acetate) rubber is known for its excellent thermal stability, resistance to heat aging, and flexibility under high temperatures.

It also offers resistance to oils, chemicals, and mechanical wear, making it ideal for industrial applications.

Electrical Characteristics:

• Rated Voltage (Uo/U): 450/750V.

• Test Voltage: 2.5 kV.

Thermal Characteristics:

• Max. Conductor Temperature: 90°C (This is a key selling point, emphasizing the cable’s ability to operate reliably at higher temperatures).

• Ambient Temperature (Fixed Installation): -30°C to +90°C.

Environmental and Mechanical Properties:

• Laying Temperature (Minimum): -40°C.

• Outdoor Installation: Yes.

• Oil Resistant: Yes (according to IEC/EN 60811-404).

• UV Resistant: Yes.

• Bending Radius: Refer to DIN VDE 0298-4 for specific values based on cable diameter.

Installation Guidelines and Best Practices for High-Temperature Cables

Ensuring Safe and Reliable High-Temperature Installations

When installing the Feichun H07G-K cable, proper techniques must be followed to ensure its longevity and reliable performance in high-temperature environments. Below are some best practices:

Minimum Installation Temperature

The minimum laying temperature for this cable is -40°C, so it should not be installed below this temperature. Installing cables in inappropriate conditions can cause damage to the insulation and compromise the cable’s performance.

Cable Handling

During installation, it's important to handle the cables carefully to avoid damage to the insulation. Rough handling can cause cuts, scratches, or abrasion, which may lead to insulation breakdown.

Cable Routing

Proper cable routing is essential to avoid placing cables near excess heat sources or mechanical stress. In high-temperature environments, it’s especially important to ensure the cables are routed in areas with adequate ventilation to prevent overheating.

Bending Radius

Always adhere to the minimum bending radius as specified by DIN VDE 0298-4. Bending the cable beyond the recommended radius can damage the insulation and conductor, potentially resulting in electrical faults.

Termination and Connection

Use high-temperature rated connectors and accessories to ensure that all connections remain intact and reliable. Improper terminations can lead to poor contact, overheating, and increased risk of failure in high-temperature conditions.

Troubleshooting and Maintenance

Maintaining Performance and Safety in High-Temperature Applications

Proper installation and routine maintenance are essential to ensure the cable continues to perform safely and efficiently.

Common Installation Mistakes:

• Exceeding the minimum bending radius.

• Incorrect cable sizing for the operating temperature and current.

• Insufficient ventilation for cables in high-temperature environments.

Troubleshooting Common Problems:

• Premature insulation failure: Look for signs of cracking or discoloration, which may indicate excessive heat exposure.

• Overheating: Ensure that the cables are correctly sized for the load and that adequate ventilation is in place to dissipate heat effectively.

Applications and Benefits

Where H07G-K Cables Excel: Key Applications and Advantages

The Feichun H07G-K cable is ideal for a wide range of high-temperature applications. Here are a few of the environments and systems where it excels:

• Internal wiring of luminaires (especially in high-power lighting applications).

• Heating systems and appliances that operate at high temperatures.

• Electrical machines and equipment that generate or are exposed to high heat.

• Switchgear and distribution boards, where reliable high-temperature wiring is critical.

The H07G-K cable offers numerous advantages, including its high-temperature resistance, flexibility, and compliance with international standards.

These features make it an excellent choice for industries requiring durable and safe wiring solutions in elevated thermal conditions.

Technical Information (Tables and Data)

Detailed Technical Specifications

The following table provides an overview of the technical specifications for the Feichun H07G-K 450/750V cable:

This table offers quick access to essential specifications, helping engineers and installers make informed decisions about the Feichun H07G-K 450/750V cable.

Conclusion

Why Feichun’s H07G-K Cable is the Optimal Choice for High-Temperature Wiring

In conclusion, the Feichun H07G-K 450/750V cable is a robust, flexible, and highly reliable choice for high-temperature wiring applications.

With its advanced insulation, thermal stability, and compliance with international standards, it is well-suited for demanding environments.

By following proper installation guidelines and performing regular maintenance, businesses can ensure that their high-temperature wiring systems remain safe and operational for years to come.

RFQ: Common Questions and Answers

If you’re considering Feichun H07G-K 450/750V cables for your high-temperature applications, here are some common questions:

What is the maximum temperature the H07G-K can handle?

The H07G-K cable is rated for a maximum conductor temperature of 90°C, making it suitable for high-temperature applications.

Is the H07G-K suitable for outdoor use?

Yes, the Feichun H07G-K is designed for use in outdoor environments, with UV resistance and robust protection against environmental factors.

Can the H07G-K cable be used in high-voltage systems?

No, the H07G-K is suitable for low-voltage installations (450/750V AC and 750/1500V DC). For higher voltages, other Feichun cables designed for high-voltage applications should be considered.

Note: This is just part of the standard parameters of our products. Please contact our Engineer if you need more. And the information contained within this webpage is for guidance only and is subject to change without notice or liability. All dimensions and specifications are nominal and are subject to normal manufacturing tolerances. All pictures shown are for illustration purposes only. The actual product may vary. All the information is provided in good faith and is believed to be correct at the time of publication.