Environmental conditions

Environmental conditions

Climatic conditions

  • Extended storage (weatherproof):
  • IEC 60721-3-1 class 1K21,
    ambient temperature -25 °C to +70 °C (deviating from the standard),
    non-condensing, no moisture condensation
  • Transport (weatherproof):
  • IEC 60721-3-2 class 2K11,
    ambient temperature -25 °C to +70 °C (deviating from the standard),
    non-condensing, no moisture condensation
  • Operation (fixed installation, weatherproof):
  • IEC 60721-3-3 class 3K22,
    ambient temperature -30 °C to +45 °C (deviating from the standard),
    ambient temperature +40 °C to +60 °C with derating, see Derating depending on the ambient temperature,
  • Non-condensing, no condensation

Special climatic conditions

  • Extended storage (weatherproof):
  • IEC 60721-3-1 class 1Z1
  • Operation (fixed installation, weatherproof):
  • IEC 60721-3-3 class 3Z1

Biological conditions

  • Extended storage (weatherproof):
  • IEC 60721-3-1 class 1B1
  • Transport (weatherproof):
  • IEC 60721-3-2 class 2B1
  • Operation (fixed installation, weatherproof):
  • IEC 60721-3-3 class 3B1

Chemically active substances

  • Extended storage (weatherproof):
  • IEC 60721-3-1 class 1C2,
    no corrosive gases, no salt mist (in contrast to the standard)
  • Transport (weatherproof):
  • IEC 60721-3-2 class 2C2,
    no corrosive gases, no salt mist,
    no sea water (in contrast to the standard)

Mechanically active substances

  • Extended storage (weatherproof):
  • IEC 60721-3-1 class 1S10, no conductive dust
  • Transport (weatherproof):
  • IEC 60721-3-2 class 2S1
  • Operation (fixed installation, weatherproof):
  • IEC 60721-3-3 class 3S5, no conductive dust