ABB ret650 User Manual

19.10 Environmental conditions and tests
Table 552: Environmental conditions
Description
Value
Operating temperature range -25...+55ºC (continuous)
Short-time service temperature range -40...+70ºC (<16h)
Note: Degradation in MTBF and HMI performance
outside the temperature range of -25...+55ºC
Relative humidity
<93%, non-condensing
Atmospheric pressure 86...106 kPa
Altitude up to 2000 m
Transport and storage temperature range -40...+85ºC
Table 553: Environmental tests
Description Type test value Reference
Cold tests operation
storage
96 h at -25ºC
16 h at -40ºC
96 h at -40ºC
IEC 60068-2-1/ANSI
C37.90-2005 (chapter 4)
Dry heat tests
operation
storage
16 h at +70ºC
96 h at +85ºC
IEC 60068-2-2/ANSI
C37.90-2005 (chapter 4)
Damp heat tests
steady state
cyclic
240 h at +40ºC
humidity 93%
6 cycles at +25 to +55ºC
humidity 93...95%
IEC 60068-2-78
IEC 60068-2-30
Section 19 1MRK 504 135-UEN A
Technical data
620
Technical manual

ABB ret650 Specifications

General

Brand	ABB
Model	ret650
Category	Protection Device
Language	English