Installation of electrical components in low-voltage switchgear
6.2.4 The heat-generating components should be kept at a certain distance from the general components. If they are light in weight, they can be installed upward.
6.2.5 Installation location of electrical components
If there is a clear provision on the drawing, it should be in accordance with the requirements of the drawing. If there are no special requirements or the requirements are not clear, the requirements of Table 5 should be met (based on the base plane).
Table5 Unit is meter
Component type | Electrical component name | Installation height |
Electrical components and terminal blocks mounted on the same bracket | Terminal block or lowest electrical component | ＞0.25 |
Indicator | Ammeter, voltmeter, etc. | 1～2 |
Circuit breaker with operating handle, switch handle, | Switch handles, buttons, etc. | ＜2 |
Centerline of buttons etc. | Emergency handle | 0.8～1.6 |
