Normal operating conditions, according to IEC 62271-1 for indoor switchgear.
Ambient air temperature and humidity
Less than or equal to 40°C (104°F)
Less than or equal to 35°C (95°F) on average over 24 hours
Greater than or equal to -5°C (23°F)
Relative humidity (for a period over 24 hours) < 95%
In order to retain all of the functional unit qualities when stored for prolonged periods, we recommend that the equipment is stored in its original packaging, in dry conditions, sheltered from the sun and rain at a temperature of between -25°C (23°F) and +55°C (131°F)