Siemens S5-135U/155U - Manual (Page 79)

4-13
System Manual
C79000-G8576-C199-06
4.1.5 Technical Specifications
Important for the USA and Canada
The following approvals have been granted for the central controllers and
expansion units:
S
UL Listing Mark
Underwriters Laboratories (UL) to
Standard UL 508, Report E85972
S
CSA Certification Mark
Canadian Standards Association (CSA) to Standard
C 22.2 No. 142, Report LR 63533C
Unit safety
The unit complies with: VDE 0160, IEC 1131-2
Protection against overvoltage
Overvoltage Class 2 (not with PS -3NA12)
VDE 0160 A1
Class of protection I
Type of protection
(when empty slots are covered by dummy front plates) IP 20 to IEC 529/DIN 40050
Climatic ambient conditions (tested to DIN IEC 68-2/-1/2/3)
Ambient temperature in operation
(supply air measured at lower air inlet of the unit) 0 to 55
°
C
Transportation and storage temperature - 40 to 70
°
C
Temperature variation:
in operation
during transportation and storage
(when delivered at less than 0
o C, at least 3 h
acclimatization because of possible
condensation)
10 K/h max.
20 K/h max.
Relative humidity:
in operation, during transportation and
storage
95% max. at 25
°
C, no condensation
Altitude:
in operation
during transportation and storage
- 1000 m to + 1500 m above sea level
(1080 hPa to 860 hPa)
- 1000 m bis + 3500 m above sea level
(1080 hPa to 660 hPa)
Pollutants:
SO
2
H
2
S
0,5 cm 3 / m 3 , 4 days
0,1 cm 3 / m 3 , 4 days
Mechanical ambient conditions (tested to DIN IEC 68-2-6)
Vibration during operation 10 to58 Hz (const. amplitude 0.075 mm)
58 to 500 HZ (const. acceleration 1g)
Central Controllers and Expansion Units Power Supply Units