ABB Relion 650 Series Technical Manual page 601

1MRK 506 326-UUS B
19.9 Environmental conditions and tests
Table 566: Environmental conditions
Description
Operating temperature range
Short-time service temperature range
Relative humidity
Atmospheric pressure
Altitude
Transport and storage temperature range
Table 567: Environmental tests
Description
Cold tests
Dry heat tests
Damp heat
tests
Line distance protection REL650
Technical manual
Type test value
operation 96 h at -25ºC
16 h at -40ºC
storage 96 h at -40ºC
operation 16 h at +70ºC
storage 96 h at +85ºC
steady state 240 h at +40ºC
humidity 93%
cyclic 6 cycles at +25 to +55ºC
humidity 93...95%
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Value
-25...+55ºC (continuous)
-40...+70ºC (<16h)
Note: Degradation in MTBF and HMI performance
outside the temperature range of -25...+55ºC
<93%, non-condensing
12.47...15.37 psi (86...106 kPa)
up to 6561.66 feet (2000 m)
-40...+85ºC
Reference
IEC 60068-2-1/ANSI C37.90-2006
(chapter 4)
IEC 60068-2-2/ANSI C37.90-2006
(chapter 4)
IEC 60068-2-78
IEC 60068-2-30
Section 19
Technical data
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