Siemens SENTRON PAC3100, Manual, Page: 30 / 152

Operation planning
SENTRON PAC3100
30
Manual, 07/2009, A5E02385159B-01
Environmental conditions
Use the SENTRON PAC3100 device only where environmental conditions permit its
operation:
Table 4- 1 Environmental conditions
Temperature range
Operating temperature - 10 °C t 55 °C
Storage and transport temperature - 25 °C t 70 °C
Relative humidity 95% at 25°C without condensation (normal
conditions)
Installation altitude above sea level max. 2000 m
Degree of pollution 2
Degree of protection according to IEC 60529
Device front IP65
Type 5 enclosure acc. to UL50
Device rear IP20
Circuit breaker
A suitable circuit breaker must be connected upstream of SENTRON PAC3100 in order to
permit disconnection of the device from the power supply!
●
The circuit breaker must be mounted close to the device and be easily accessible to the
user.
● The circuit breaker must be marked as the circuit breaker for the device.
Temperature compensation
To avoid condensation, the device must be stored at the operating location for at least 2
hours before power is connected.
See also
Dimensional drawings (Page 115)