ABB Relion 620 Series - Environmental Conditions

14.19 Environmental conditions
Table 1103: Environmental conditions
Description Value
Operating temperature range -25...+55°C (continuous)
Short-time service temperature range -40...+85°C (<16 h)
3
,
4
Relative humidity <93%, non-condensing
Atmospheric pressure 86...106 kPa
Altitude Up to 2000 m
Transport and storage temperature range -40...+85°C
3
Degradation in MTBF and HMI performance outside the temperature range of -25...+55 °C
4
For relays with an LC communication interface the maximum operating temperature is +70 °C
Technical data 1MRS757644 H
1210 620 series
Technical Manual