เพื่อปกป้องบุคคลจากการสัมผัสชิ้นส่ว

To protect people from exposure voltage parts which may cause danger. It makes it possible to define the scope of common security: fig 1.3.4 European standards EN 50122-1-1 from a distance will be shown by referencing a surface that the person is standing and there is no barrier or protective in different areas for public spaces such as train stations, etc., or define a security boundary that is larger than the scope only by specific security areas will be designed to work with those who want practical areas such as OCS wires and train staff in the plant maintenance etc.

To protect people from exposure to parts with voltages that may cause harm. Has defined common security of individuals Figure 1.3.4-1 European standard EN 50122-1 shows the distance from a reference to the person standing on the surface, and there is no barrier or protection in the area. various For areas such as Crossing or station, and set the security realm is larger than the scope. The safety area is specifically designed for use with the required cables OCS areas such as train staff in maintenance and so on.

To protect people from touching the parts with voltage may cause harm. The scope of the general safety person as figure 1.3.4-1 according to European standard EN 50122-1 จากรูป is shown stage by a reference to the person standing surface and no obstacles or things to prevent in different areas. For public areas such as crossing or in the station, etc. the scope the safety that is larger than the extent only. The safe areas in particular are designed for use with those who need to practice the cables OCS such as train staff in the maintenance, etc.