How the simple DIN rail solves for modularity, flexibility, & convenience in industrial systems
The DIN rail is widely used as an open standard mounting arrangement. Users of this rail are not committed or tied to any single vendor or group, as hundreds of vendors offer thousands of DIN rail products. There are three standard DIN rail configurations, with the most widely used by far being the 35 millimeter (mm) wide IEC/EN 60715 version, commonly called the “top hat” rail profile (Figure 2). It is also called the TS35 rail in the United States, although the DIN name is used more often. The predecessor of the “top hat” version is the asymmetric G profile, generally used to hold heavier, higher power components; there is also a C profile. Originally designated as DIN EN 50022, and subsequently standardized as IEC IEC/EN 60715, the standard calls out both 7.5 mm and 15 mm deep versions. The modules that the rail supports are mounted side by side in any arrangement or configuration that the user prefers for the application; users are unrestricted and can put the power supply at the left, right, or center to supply the loads, doing whatever works best in the situation. DIN rails are available in standard lengths such as one
Figure 2: The basic profile of the EN 60715 7.5 mm DIN rail is shown on the left. More detailed dimensions of the “top hat” rail as well as standard panel attachment perforations are shown on the right. (Image sources: Wikipedia (left), elektrotools.de (right))
Figure 3: The CA601/S DIN rail from Altech Corporation is available in a wide range of lengths and material options. (Image source: Altech Corporation)
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