2 Installation and Wiring
- 
38
 -
2.1 Installation
2.1.1 Installation Environment Requirements
Environment requirements
Item Requirement
Altitude
Below 1000 m; de-rated by 1% for each 100 m higher if the altitude is above 
1000 m; maximum 3000 m.
Ambient 
temperature
-10ºC to 50ºC; air temperature change of less than 0.5
ºC
/min; rated current 
derated by1.5% for each 1
ºC
 higher if the ambient temperature is above 40ºC; 
maximum temperature 50
ºC
Storage 
temperature
-40ºC to 60ºC
Ambient 
humidity
Less than 95% RH, non-condensing
Storage 
humidity
Less than 95% RH, non-condensing
Vibration 
and shock
Sinusoidal vibration: 5.9 m/s
2
 (0.6 g) at 2-200 Hz
IP level IP20
Heat 
dissipation 
and 
ventilation
space around for heat dissipation.
Mounting 
location
Free from direct sunlight
Free from over 95% humidity and condensation
Free from corrosive, explosive and combustible gas
Free from oil dirt, dust and metal powder
Protective 
enclosure
protection, and satisfy the regional laws & regulations and related IEC 
requirements.