Product Data Sheet 4606 ZWU-879
07/15/2014 page 8 of 10
4 Environment
4.1 General
Min. permitted ambient temperature TU min.
-40 °C / 50 Hz
-40 °C / 60 Hz
Max. permitted ambient temperature TU max.
70 °C / 50 Hz
80 °C / 60 Hz
Min. permitted storage temperature TL min. -40 °C
Max. permitted storage temperature TL max. 100 °C
4.2 Climatic requirements*)
IP-protection type (certified) IP 55 **)
Humidity requirements humid temperature, cyclic; according to DIN EN
60068-2-38, 10 cycle and condensation water
check; according to DIN EN ISO 6270-2, 14 days
Salt fog requirements None
*) Permittet application area:
The product is for the use in partial sheltered rooms or open, roofed areas. Direct exposure to water is allowed
provided that this does not prevent the normal operation. Saline ambient conditions must be avoided.
Pollution degree 3 (according DIN EN 60664-1)
It occurs conductive pollution or dry non-conductive pollution which becomes conductive due to condensation.
**) The specification of the IP protection refers to the conditions mentioned in certification of the fan. The above
mentioned short description of the protection scope is not final. For detailed information of the respective protection
scope and definitions, see certification as well as DIN EN 60529 (protection by housings) and ISO 20653 (for vehicles)
with the letter K.
Short description of the IP-protection type:
Solid particle Protection: Protected against dust.
Protection against deliberate contact: Protected against contact to hazardous parts with a wire.
Protection against water: Protected against water jets.
