Ingress Protection - ABB Relion Technical Manual

Section 19
Technical data
19.9
19.10
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Ingress protection

Table 566: Ingress protection
Description
IED front
IED rear
IED sides
IED top
IED bottom
Environmental conditions and tests
Table 567: Environmental conditions
Description
Operating temperature range
Short-time service temperature range
Relative humidity
Atmospheric pressure
Altitude
Transport and storage temperature range
Table 568: Environmental tests
Description
Cold tests operation
storage
Dry heat tests operation
storage
Damp heat tests steady state
cyclic
Value
IP 54
IP 20
IP 40
IP 40
IP 20
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
Type test value
96 h at -25ºC
16 h at -40ºC
96 h at -40ºC
16 h at +70ºC
96 h at +85ºC
240 h at +40ºC
humidity 93%
6 cycles at +25 to +55ºC
humidity 93...95%
1MRK 502 048-UUS A
Reference
IEC 60068-2-1/ANSI
C37.90-2005 (chapter 4)
IEC 60068-2-2/ANSI
C37.90-2005 (chapter 4)
IEC 60068-2-78
IEC 60068-2-30
Technical manual