49
6.7. Environmental conditions
Table 6.7.-1 Environmental conditions
Ambient operation temperature -10 + 55 °C
Ambient transport and storage
temperature
-25 +70 °C
Ambient humidity Up to 95% without condensation
Altitude < 1.000m a.s.l
6.8. Protection degree
Base unit
*
Housing: IP 20
HMI
*
Front: IP 44
*
Rear: IP 20
HMI with cover
*
Front: IP 54
*
Rear: IP 20
6.9. Tests
Type test
Detailed information on type tests are listed in the document: REF 542plus. Type
test certificate, 1MRS756443.
Protection functions
Protection functions are type tested according to IEC 60255 standard series.
Electromagnetic compatibility
All relevant tests are according to the following standard series:
*
IEC 60255 for electromagnetic compatibility and product standard
*
EN 61000 for electromagnetic compatibility
*
EN 50263 for measuring relays and protection equipment
*
EN 60694 + IEC 60694AMD 12000 for common specifications for high-voltage
switchgear and control gears
Insulation resistance
Greater than >100 MΩ at 500 V DC.
Multifunction Protection and Switchbay Control
Unit
Technical Reference Manual
REF 542plusREF 542plus
1MRS755859
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