Siemens SIPROTEC easy 7SJ45 - Climatic Tests and Device Design Details

Manual 7SJ45 Technical Data
C53000-K1174-C001-7 69
Climatic stress tests
Temperatures
Humidity
Design
Degree of protection for housing according to IEC 60529
Recommended operating
temperature
–20 °C to +70 °C = –4 °F to +158 °F,
with continuous current of 2 I
N
:
–20 °C to +55 °C
Limiting temperatures for
storage
–25 °C to +55 °C = –13 °F to +131 °F
Limiting temperatures for
transport
–25 °C to +85 °C = –13 °F to +185 °F
Permissible humidity (Standard) Mean value per year ≤75 % relative
humidity; on 30 days of the year up to
95 % relative humidity; condensation
must be avoided!
Permissible humidity
(Condensation proof)
Condensation is permissible according to
IEC 60654-1, Class III
Housing Housing for panel flush mounting
DIN43700/IEC61554
Can be adapted for standard rail
mounting (only for local mounting
recommended).
Dimensions (WxHxD) 78.5x147x205.8 (incl. transparent cover
and terminal blocks)
Weight approx. 1.5 kg
Device front IP 51
Device back IP 20
Protection of personnel IP 1X