| Description | Value |
|---|---|
| Operating temperature range | -25...+55ºC (continuous) |
| Short-time service temperature range | -40...+85ºC (<16 h) 1, 2 |
| Relative humidity | <93%, non-condensing |
| Atmospheric pressure | 86...106 kPa |
| Altitude | Up to 2000 m |
| Transport and storage temperature range | -40...+85ºC |
1 Degradation in MTBF and HMI performance outside the temperature range of -25...+55 ºC
2 For relays with an LC communication interface the maximum operating temperature is +70 ºC