Low-voltage Switchgear Operating Conditions

Apr 11, 2026 Leave a message

1. Ambient air temperature must not exceed +40℃ or fall below -5℃, and the average temperature over 24 hours must not exceed +35℃.

 

2. Air cleanliness: At a maximum temperature of +40℃, relative humidity must not exceed 50%. Higher relative humidity is permissible at lower temperatures.

 

3. Pollution degree: Level 3.

 

4. Altitude of the installation site must not exceed 2000m.

 

5. Special operating conditions will be negotiated separately when ordering.

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