At altitudes up to 2,000 m above sea level …
4,000 m above sea level
150 V AC
Overvoltage category
III
Contamination rating
2
Rated impulse withstand voltage U
imp
6 kV
1)
Time the enabling current paths of the safety relay remain open before closing again.
Table 14: Response time (opening of enabling current paths)
Sensor type
Response time (opening of enabling current paths)
EMSS
Dual-channel switch-off with positive
opening normally closed contacts
≤ 12 ms
Dual-channel switch off (without posi‐
tive opening, e.g. reed switch)
≤ 16 ms
CMSS
≤ 16 ms
OSSD
≤ 12 ms
Fast SCSD
≤ 55 ms
Slow SCSD
≤ 440 ms
SMAT
≤ 55 ms
Table 15: Ambient data
Enclosure rating
IP20 (IEC 60529)
Ambient operating temperature
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 above sea level
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
TECHNICAL DATA
11
8024307/2021-07-30 | SICK
O P E R A T I N G I N S T R U C T I O N S | ReLy MULT1
31
Subject to change without notice