TGHRT17

Working environment conditions:

1.1 The upper limit of the ambient air temperature does not exceed +40℃ , and the lower limit is not below -5℃ .

1.2 The altitude of the installation site does not exceed 2000m.

1.3 Humidity: The relative air humidity does not exceed 50% at the maximum temperature 40℃ , and a higher relevant humidity is allowed at the lower temperature, for example, up to 90% at 20℃ . Special measures shall be taken for condensations occurred occasionally due to temperature changes.

1.4 The pollution level of the ambient environment is Level 3.

1.5 The switch shall be installed vertically in a place where there is no obvious shaking, impact vibration, and rain and snow erosion, and there is no explosive and dangerous medium at the installation site, and no gas and dust that is sufficient to cause metal corrosion and insulation damage in the medium.