![background image](http://html1.mh-extra.com/html/sick/rely-emss3/rely-emss3_operating-instructions-manual_1264571028.webp)
At altitudes up to 2,000 m above sea level
(UL/CSA: surrounding air temperature)
–25 °C … +55 °C
At altitudes 2,000 m above sea level …
3,000 m above sea level
–25 °C to 50 °C
At altitudes 3,000 m above sea level …
4,000 m above sea level
–25 °C … +45 °C
Storage temperature
–25 °C … +70 °C
Permissible operating height
≤ 4,000 m
Air humidity
10% … 95%, non-condensing for climatic con‐
ditions according to IEC 61131-2
Emitted interference
In accordance with IEC 61000-6-4
Immunity to interference
In accordance with IEC 61326-3-1
In accordance with IEC 61000-6-2
In accordance with IEC 60947-5-1
0,1
0,5
1,0
5,0
10
0
50
100
150
200
250
U (
VDC) →
I (A) →
1
2
Figure 10: Switch-off delay without continuous arcing
1
Inductive load L/R 40 ms
2
Resistive load
10
TECHNICAL DATA
28
O P E R A T I N G I N S T R U C T I O N S | ReLy EMSS3
8023937/2019-10-11 | SICK
Subject to change without notice