1. Normal operating conditions

The rated characteristics of the switchgear are guaranteed under the following ambient conditions: 
• Site altitude: ≤1000m above sea level. For higher altitude, please contact us.
• Ambient temperature: -5℃ to 40℃, daily average ≤35℃
• Ambient humidity: Daily average ≤95%, monthly average ≤90%

2. Standards & Specifications

The switchgear is designed and manufactured in accordance with the following standards:
· IEC 62271-1: 2021 High-voltage switchgear and controlgear - Part 1: Common specifications for alternating current switchgear and controlgear
· IEC 62271-100: 2021 High-voltage switchgear and controlgear - Part 100: Alternating-current circuitbreakers
· IEC 62271-200: 2021 High-voltage switchgear and controlgear - Part 200: AC metal-enclosed switchgear and controlgear for rated voltages above 1kV and up to and including 52kV
· IEC 60529: 1989+AMD1:1999+AMD2: 2013 CSV Consolidated version Degrees of protection provided by enclosures (IP Code)

3. For more details please contact us for catalog and operation manual.