ABB REF615 - Degree of Protection of Flush-Mounted IED; Environmental Conditions; Environmental Tests; Electromagnetic Compatibility Tests

ABB 20
Feeder Protection and Control
REF615
Product version: 2.0
1MRS756379 D
Table 14. Degree of protection of flush-mounted IED
Description Value
Front side
IP 54
Rear side, connection terminals IP 20
Table 15. Environmental conditions
Description Value
Operating temperature range -25...+55ºC (continuous)
Short-time service temperature range -40...+85ºC (<16h)
1) 2)
Relative humidity <93%, non-condensing
Atmospheric pressure 86...106 kPa
Altitude up to 2000 m
Transport and storage temperature range -40...+85ºC
Table 16. Environmental tests
Description Value
Dry heat test (humidity <50%) According to IEC 60068-2-2
Test values:
• 96 h at +55ºC
• 16 h at +85ºC
1)
Cold test According to IEC 60068-2-1
Test values:
• 96 h at -25ºC
• 16 h at -40ºC
Damp heat test, cyclic According to IEC 60068-2-30
Test values:
• 6 cycles at +25…55°C,
humidity 93…95%
Storage test According to IEC 60068-2-48
Test values:
• 96 h at -40ºC
• 96 h at +85ºC
Table 17. Electromagnetic compatibility tests
The EMC immunity test level meets the requirements listed below:
Description Value
1 MHz burst disturbance test, class III:
• Common mode
• Differential mode
According to IEC 61000-4-18
and IEC 60255-22-1, level 3
2.5 kV
1.0 kV
Electrostatic discharge test
• Contact discharge
• Air discharge
According to IEC 61000-4-2,
IEC 60255-22-2, level 3
6 kV
8 kV
1) Degradation in MTBF and HMI performance outside the temperature range of -25...+55ºC
2) For IEDs with an LC communication interface the maximum operating temperature is +70
o
C
1) For IEDs with an LC communication interface the maximum operating temperature is +70
o
C