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EN50306-4

It is low in toxicity and smoke when burning, ensuring escape and equipment safety in case of fire in passenger cars; the small size design saves carriage space and is suitable for compact wiring; multi-core integration reduces line clutter and is easy to install; it has strong flame retardancy to delay the spread of fire, the insulation layer is resistant to vibration and aging, adapts to the complex environment of passenger cars, has stable transmission, and meets the high safety standards of railways.

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Product Details

Multi-core Wires for Railway Rolling Stock with Thin-Wall Insulation and Special Flame-Retardant Properties (EN50306-4)

1. Product Description

1. A type of wire product specially designed for railway rolling stock. This wire uses thin-wall insulating material and has special flame-retardant properties, which can effectively prevent the spread of fire under specific conditions and improve the safety of railway rolling stock.

1. The multi-core design enables the wire to transmit multiple signals or electric power simultaneously, meeting the requirements of the complex electrical systems of railway rolling stock. The product complies with the EN50306-4 standard, ensuring the reliability of its quality and performance.

Multi-core Cables

2. Executive Standard

EN50306.4-2002 Railway Applications - Thin-Wall Cables for Railway Rolling Stock with Special Flame-Retardant Properties - Multi-core Cables. This product is suitable for open wiring (Class E) or protected wiring (Class P) in the internal power distribution and instrument control systems of various types of high-speed trains and metro vehicles with a rated voltage of 300/500 V.

3. Technical Parameters

Table 1: Cable Model and Name

Name	Cable Model
Class E Cable for Rail Transit Vehicles with Rated Voltage 300/500 V, Tinned Copper Conductor, Temperature Resistance 90/105°C, Thin-Wall Cross-Linked Polyolefin Insulation, Standard-Thickness Sheath, and Low Smoke Zero Halogen Flame Retardancy	EN50306-4 1E 300/500 V
Class P Cable for Rail Transit Vehicles with Rated Voltage 300/500 V, Tinned Copper Conductor, Temperature Resistance 90/105°C, Thin-Wall Cross-Linked Polyolefin Insulation, Standard-Thickness Sheath, and Low Smoke Zero Halogen Flame Retardancy	EN50306-4 1P 300/500 V
Shielded Multi-core Class E Cable for Rail Transit Vehicles with Rated Voltage 300/500 V, Tinned Copper Conductor, Temperature Resistance 90/105°C, Thin-Wall Cross-Linked Polyolefin Insulation, Standard-Thickness Sheath, and Low Smoke Zero Halogen Flame Retardancy	EN50306-4 3E 300/500 V
Shielded Multi-core Class P Cable for Rail Transit Vehicles with Rated Voltage 300/500 V, Tinned Copper Conductor, Temperature Resistance 90/105°C, Thin-Wall Cross-Linked Polyolefin Insulation, Standard-Thickness Sheath, and Low Smoke Zero Halogen Flame Retardancy	EN50306-4 3P 300/500 V
Shielded Multi-pair Class E Cable for Rail Transit Vehicles with Rated Voltage 300/500 V, Tinned Copper Conductor, Temperature Resistance 90/105°C, Thin-Wall Cross-Linked Polyolefin Insulation, Standard-Thickness Sheath, and Low Smoke Zero Halogen Flame Retardancy	EN50306-4 5E 300/500 V
Shielded Multi-pair Class P Cable for Rail Transit Vehicles with Rated Voltage 300/500 V, Tinned Copper Conductor, Temperature Resistance 90/105°C, Thin-Wall Cross-Linked Polyolefin Insulation, Standard-Thickness Sheath, and Low Smoke Zero Halogen Flame Retardancy	EN50306-4 5P 300/500 V

Table 2: Number of Cores and Cross-Section Area

Cable Model	Number of Cores	Cross-Section Area (mm²)
EN50306-4 1E 300V	2-48	0.5, 0.75, 1.0, 1.5, 2.5
EN50306-4 1P 300V	2-48	0.5, 0.75, 1.0, 1.5, 2.5
EN50306-4 3E 300V	2-8	0.5, 0.75, 1.0, 1.5, 2.5
EN50306-4 3P 300V	2-8	0.5, 0.75, 1.0, 1.5, 2.5
EN50306-4 5E 300V	2-7 pairs	0.5, 0.75, 1.0, 1.5
EN50306-4 5P 300V	2-7 pairs	0.5, 0.75, 1.0, 1.5

4. Product Characteristics

1. Rated voltage class U0/U: 0.3/0.5 kV. In a DC system, the maximum voltage to ground of each cable shall not exceed 15 times the rated voltage U0 of the cable.

1. Temperature resistance: Long-term operating temperature is 90°C or 105°C.

1. Minimum ambient temperature for cable use: -25°C or -40°C.

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