Zhejiang Chatnow New Material Technology Co., Ltd. is one of the leading manufacturers and suppliers of ph120 fire resistant shielded cable 4×1.0,1.5,2.5mm² in China. With abundant experience, we warmly welcome you to wholesale bulk high quality products at competitive price from our factory. We also accept customized orders.

The cable is manufactured according to BS EN 50200 PH120 circuit integrity requirements, ensuring continuous operation for up to 120 minutes under fire exposure. It is suitable for emergency power supply, fire alarm systems, safety control circuits, and other life safety applications.

PH120 Fire Resistant Shielded Cable is widely used in:

• Fire alarm and detection systems
• Emergency lighting systems
• Fire pump control circuits
• Smoke extraction and ventilation systems
• Building security and safety systems
• Public transportation infrastructure
• Hospitals, airports, tunnels, and high-rise buildings
• Industrial safety control systems

The cable is designed for applications where signal transmission and power supply must remain operational during fire conditions.

100M, 300M, 500M, 1000M, 500FT, 1000FT, Coil/Drum

Structural Design & Signal Benefits

1. Solid Bare Copper Conductor

Construction:

• Conductor size: 1.0mm² / 4 Core ,1.5mm² / 4 Core ,2.5mm² / 4 Core
• Structure:1/1.12 ±0.02mm,1/1.36 ±0.02mm ,1/1.76 ±0.02mm
• Material: Bare copper wire

Benefits:

• Excellent electrical conductivity
• Low conductor resistance
• Stable signal transmission
• High mechanical strength

2. Silicone Rubber Fire Resistant Insulation

Insulation Material: Silicone Rubber

Insulation Diameter: 2.0 ±0.10mm,2.50 ±0.10mm,2.90 ±0.10mm

Core Identification:

• Blue
• Brown
• Black
• Grey

Benefits:

• Maintains insulation performance under high temperature
• Provides excellent fire resistance
• Prevents short circuits during fire exposure

3. Shielding Structure

Shielding construction:

• PET tape wrapping
• Al/Mylar foil shielding
• Tinned copper drain wire

Shielding Advantages:

• Reduces electromagnetic interference (EMI)
• Improves signal stability
• Protects against external electrical noise
• Suitable for sensitive control and alarm systems

4. Flame Retardant LSZH Outer Jacket

Material: Flame Retardant LSZH
Nominal Thickness: 6.5mm,7.6mm,8.8mm
Color: Red

Advantages:

• Low smoke emission
• Halogen-free safety performance
• Reduced toxic gas release during fire
• Suitable for public buildings and enclosed spaces

Installation & Performance Considerations

Installation Recommendations

• Avoid excessive bending during installation.
• Maintain recommended bending radius.
• Ensure shield grounding is correctly connected.
• Use suitable cable glands and termination accessories.

Performance Advantages

• Maintains circuit operation during fire conditions.
• Provides stable transmission in high-interference environments.
• LSZH jacket improves safety in occupied buildings.
• Shielded construction enhances system reliability.

FAQ

Q1: What does PH120 mean?

PH120 means the cable can maintain circuit integrity for 120 minutes under fire conditions according to BS EN 50200 testing requirements.

Q2: Are other sizes available?

Yes. The PH120 series is also available in:

PH120 4×1.0mm² Solid Shielded Cable

PH120 4×1.5mm² Solid Shielded Cable

PH120 4×2.5mm² Solid Shielded Cable