Environmental Conditions - ABB RELION 620 Series Technical Manual

Protection and control

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Technical data

Environmental conditions

Table 1103: Environmental conditions

Operating temperature range

Short-time service temperature range

Relative humidity

Atmospheric pressure

Transport and storage temperature range

Degradation in MTBF and HMI performance outside the temperature range of -25...+55 °C

For relays with an LC communication interface the maximum operating temperature is +70 °C

-25...+55°C (continuous)

-40...+85°C (<16 h)

<93%, non-condensing

86...106 kPa

Up to 2000 m

1MRS757644 H

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