Siemens S5-135U/155U Technical Specifications, Important for the USA and Canada, Unit safety

Central Controllers and Expansion Units Power Supply Units

4.1.5Technical Specifications

Important for the USA and Canada

The following approvals have been granted for the central controllers and expansion units:

SUL Listing Mark

Underwriters Laboratories (UL) to Standard UL 508, Report E85972

SCSA 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	IP 20 to IEC 529/DIN 40050
(when empty slots are covered by dummy front plates)
Climatic ambient conditions (tested to DIN IEC 68-2/-1/2/3)
Ambient temperature in operation	0 to 55 °C
(supply air measured at lower air inlet of the unit)

Transportation and storage temperature

Temperaturevariation:

in operation

during transportation and storage

(when delivered at less than 0 oC, at least 3 h

acclimatization because of possible

condensation)

- 40 to 70 °C

10 K/h max.

20 K/h max.

Relative humidity:

in operation, during transportation and

storage

Altitude:

in operation

during transportation and storage

95% max. at 25 °C, no condensation

-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:	0,5 cm 3 / m 3, 4 days
SO2
H S	0,1 cm 3 / m 3, 4 days
2
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)

System Manual	4-13
C79000-G8576-C199-06