1. Working environment

· Environmental temperature: -40°C (min) to 65°C (max).
· Altitude: no more than 4,500 meter.
· Ambient humidity: daily average ≤ 95%, monthly average≤ 90%.
· Atmospheric environment: no fire, explosion hazard, serious.
pollution,chemical corrosion.
· Seismic intensity: ≤ 8.

2. Standards & Specifications

· 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 circuit breakers
· 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.