Fire Resistant Armored Cable: Top-Notch Mica and XLPE Insulated with LSZH Sheath

When it comes to providing maximum safety and performance in high-risk environments, fire-resistant armored cables are essential. Designed for critical infrastructure such as hospitals, tunnels, data centers, and industrial facilities, these cables are built to endure extreme conditions while ensuring uninterrupted power delivery.

With superior materials like Mica insulation, XLPE (Cross-Linked Polyethylene) insulation, and a Low Smoke Zero Halogen (LSZH) sheath, this cable stands out in applications requiring enhanced fire safety.

Key Features of Fire-Resistant Armored Cables

1. Fire Resistance and Enhanced Protection

The primary purpose of a fire-resistant armored cable is to ensure power continuity during and after exposure to fire. Whether in emergency systems, fire alarms, or critical building safety circuits, this cable maintains electrical integrity for prolonged periods, even in the presence of high temperatures.

This is achieved through its Mica and XLPE insulation layers, which can withstand extreme heat without melting or degrading.

2. XLPE Insulation for Durability and Performance

The use of Cross-Linked Polyethylene (XLPE) insulation significantly enhances the cable’s resistance to heat, mechanical stress, and electrical wear. XLPE-insulated cables offer excellent thermal stability, making them ideal for use in both indoor and outdoor installations, as well as in harsh environments.

XLPE insulation is known for its long service life, high dielectric strength, and superior heat resistance, ensuring that the cable remains effective even in the most demanding conditions.

3. LSZH Sheath for Smoke and Toxic Gas Reduction

A critical feature of this fire-resistant armored cable is the Low Smoke Zero Halogen (LSZH) sheath. When exposed to fire, the LSZH jacket produces minimal smoke and emits no harmful halogen gases.

This makes the cable ideal for installation in enclosed spaces or environments where fire safety is paramount, such as tunnels, subway systems, airports, and hospitals.

The Role of Mica Insulation in Fire Resistance

Mica is one of the most heat-resistant minerals available, capable of enduring temperatures that exceed 1000°C. This makes Mica-insulated cables ideal for applications in high-temperature environments or in areas prone to fire hazards.

The Mica layer in these cables acts as the first line of defense in case of fire, ensuring that the XLPE insulation and the electrical conductors remain intact.

Mica's Heat Resistance Table

High-Performance in Harsh Environments

This fire-resistant armored cable is specifically designed for high-risk applications in environments that require both fire safety and mechanical protection.

Its armored construction, which includes layers of steel or aluminum, shields the cable from external impacts, chemical exposure, and rough handling, making it suitable for industrial facilities, construction sites, and power plants.

Applications for Fire-Resistant Armored Cables

These cables are highly versatile, finding use in a variety of applications where fire safety and mechanical protection are critical.

1. Building Safety Systems

Fire-resistant armored cables are essential in maintaining power to emergency lighting, fire alarms, and building safety systems during a fire. In buildings such as skyscrapers, hotels, and commercial complexes, where quick evacuation is necessary, these cables help ensure that critical systems continue to function.

2. Industrial Power Distribution

In industrial settings, such as chemical plants and factories, where exposure to hazardous conditions is frequent, having a cable that offers fire resistance alongside impact protection is critical. The armored construction ensures the cable can endure mechanical stress while the XLPE insulation protects against electrical failure, even at elevated temperatures.

Why Choose LSZH Sheathed Fire-Resistant Cables?

1. Safety in Public Spaces

For public buildings such as airports, subway stations, and schools, safety is paramount. These cables are engineered to emit minimal smoke and no harmful halogens, making them safer for occupants during a fire.

The LSZH sheath minimizes the risk of toxic gas inhalation, making evacuation procedures safer and more efficient.

2. Environmental Protection

LSZH-sheathed cables are also environmentally friendly. Unlike PVC cables, which can emit harmful toxins into the environment when burned, LSZH cables are free from halogens, making them more sustainable and reducing their impact on the environment.

Benefits of Fire-Resistant Armored Cables

1. Superior Fire Safety

These cables provide a superior level of fire safety, with a combination of Mica and XLPE insulation offering enhanced resistance to heat and flames. This ensures continued power transmission, protecting both lives and property in fire-prone environments.

2. Mechanical Durability

The armored construction of the cable offers excellent mechanical protection, allowing it to withstand external forces such as impact, abrasion, and chemical exposure. This makes it ideal for use in industrial settings where both physical and electrical protection are necessary.

3. Flexibility and Versatility

Despite its robust construction, this cable offers flexibility, making it easy to install even in tight spaces or around complex machinery. Its versatility allows it to be used in both indoor and outdoor applications, from industrial power distribution to building safety systems.

OVERVIEW

This 600/1000V Mica+XLPE Insulated, LSZH Sheathed Fire Resistant Power Cables designed for areas where the integrity of the electrical circuit is critical in maintaining power supply. Applications can be found in emergency lightings, control and power circuits, power stations, fire alarm systems, underground tunnels, communications systems, sewage treatment plants, lifts, escalators, and high-rise buildings.

Standards:

Basic design to IEC 60502-1

Characteristics:

Rated voltage: 600/1000 V
Colour Code
Insulation Colour: Natural (other colors upon request)
Sheath Colour: Orange (other colors upon request)
Electrical Prpperties
Conductor Operating Temperature : 90°C
Ambient Temperature : 30°C

Physical And Thermal Properties:

Insulation Colour: Natural (other colors upon request)
Sheath Colour: Orange (other colors upon request)
Temperature range during operation (fixed state): -30°C – +90°C
Temperature range during installation (mobile state): -20°C – +50°C
Minimum bending radius: 8 x Overall Diameter (unarmoured cable)
10 x Overall Diameter (armoured cable)

SPECIFICATIONS

Low Voltage

Cold Resistant -25℃

LSZH

Working Temperature 90℃

CONSTRUCTION

Conductor:

Plain annealed copper wire, stranded according to IEC 60228 class 2.

Insulation:

Mica glass tape covered by extruded cross-linked XLPE compound

Inner Sheath (optional):

Thermoplastic LSZH compound

Armouring (optional):

Aluminum wire armour

Outer Sheath:

Thermoplastic LSZH compound

Frequently Asked Questions (FAQs)

1. What is a fire-resistant armored cable?

A fire-resistant armored cable is designed to maintain electrical integrity in the event of a fire. It typically includes Mica insulation, XLPE insulation, and a Low Smoke Zero Halogen (LSZH) jacket to ensure safe operation during extreme temperatures.

2. Why use LSZH-sheathed cables?

LSZH-sheathed cables are designed to minimize smoke and toxic gas emissions, making them safer for occupants during a fire. They are ideal for use in enclosed spaces such as tunnels, airports, and hospitals where fire safety is critical.

3. Where are fire-resistant armored cables typically used?

These cables are commonly used in industrial facilities, hospitals, tunnels, subway stations, and data centers where both fire safety and mechanical protection are required.

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.