Environmental conditions

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IP protection class

device	IP protection class
XLC4 Control unit	IP40
Corona II module	IP54
Corona II module with fan cooling	IP30
Corona II module tube light	IP20

For operation the environmental conditions according to IEC 721-3-3 (DIN EN 60721-3-3) are admissible.

element	value
Ambient temperature T_ambient	5 °C – 50 °C
Relative humidity RH_air	20 % – 90 %
Absolute humidity AH_air	3 g/m³ – 25 g/m³
Ambient temperature rise dT_ambient	≤ 0.5 °C/min
Maximum operating temperature at the heat sinks T_max	≤ 75 °C

For transportation the environmental conditions according to IEC 721-3-2 (DIN EN 60721-3-2) are admissible.

For storage the environmental conditions according to IEC 721-3-1 (DIN EN 60721-3-1) are admissible.

element	value
Ambient temperature T_{ambient, continuous}	–25 °C – 55 °C
Ambient temperature 24h T_{ambient, 24hrs}	–25 °C – 70 °C
Relative humidity RH_air	5 % – 95 %
Absolute humidity AH_air	0.1 g/m³ – 35 g/m³
Ambient temperature rise dT_ambient	≤ 5 °C/min

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