Home > Technical Articles

What is IEC 60090-1:2014?

IEC 60090-1:2014, also known as the International Electrotechnical Commission (IEC) standard, is a set of guidelines and regulations that define the technical specifications for power supply systems used in railways. The standard establishes the requirements for the performance, safety, and reliability of such systems.

Why is it important?

The implementation of IEC 60090-1:2014 is crucial for ensuring the efficient and safe operation of railway power supply systems worldwide. These systems are responsible for supplying electrical energy to various components of railway networks, including trains, signaling systems, and station infrastructure. Compliance with the standard ensures that these systems function optimally, reducing the risk of accidents, interruptions, and malfunctions.

Key features of IEC 60090-1:2014

The standard covers a wide range of technical aspects related to railway power supply systems. Some of the key features include:

1. Voltage levels and frequency: IEC 60090-1:2014 specifies the acceptable voltage levels and frequency ranges for railway power supply systems. This ensures compatibility and interoperability between different systems and equipment.

2. Power quality: The standard defines the acceptable levels of harmonics, voltage fluctuations, and other power quality parameters. Proper power quality ensures reliable operation of sensitive electronic equipment onboard trains and at stations.

3. Safety requirements: IEC 60090-1:2014 outlines safety measures and protection schemes to prevent electric shocks, fires, and other hazards. These measures cover aspects such as insulation, earthing, and grounding systems.

4. Fault detection and protection: The standard includes provisions for detecting faults, such as short circuits and earth faults, and implementing appropriate protection mechanisms. This helps to minimize the impact of faults on the overall system and reduce downtime.

5. System design and installation: IEC 60090-1:2014 provides guidelines for designing and installing railway power supply systems. It includes recommendations for selecting equipment, laying cables, and conducting proper testing and commissioning procedures.


In summary, IEC 60090-1:2014 plays a crucial role in ensuring the safety, reliability, and performance of railway power supply systems. By adhering to the standard's guidelines and regulations, railway operators can minimize operational risks, improve efficiency, and provide passengers with a safe and comfortable journey experience. The continuous development and updates of such standards are essential to keep pace with evolving technologies and promote global interoperability in the rail industry.


Contact: Nina She

Phone: +86-13751010017

Tel: +86-755-33168386

Email: sales@china-gauges.com

Add: 1F Junfeng Building, Gongle, Xixiang, Baoan District, Shenzhen, Guangdong, China

Scan the qr codeClose
the qr code