Test Type test values Reference standards
Radiated electromagnetic field
disturbance
20 V/m, 80-1000 MHz
1.4-2.7 GHz
IEC 60255-22-3
Radiated electromagnetic field
disturbance
35 V/m
26-1000 MHz
IEEE/ANSI C37.90.2
Conducted electromagnetic field
disturbance
10 V, 0.15-80 MHz IEC 60255-22-6
Radiated emission 30-1000 MHz IEC 60255-25
Conducted emission 0.15-30 MHz IEC 60255-25
Table 724: Insulation
Test Type test values Reference standard
Dielectric test 2.0 kV AC, 1 min. ANSI C37.90
Impulse voltage test 5 kV, 1.2/50 ms, 0.5 J
Insulation resistance >100 MW at 500 VDC
Table 725: Environmental tests
Test
Type test value Reference standard
Cold test Test Ad for 16 h at -25°C IEC 60068-2-1
Storage test Test Ad for 16 h at -40°C IEC 60068-2-1
Dry heat test Test Bd for 16 h at +70°C IEC 60068-2-2
Damp heat test, steady state Test Ca for 4 days at +40 °C and
humidity 93%
IEC 60068-2-78
Damp heat test, cyclic Test Db for 6 cycles at +25 to +55
°C and humidity 93 to 95% (1
cycle = 24 hours)
IEC 60068-2-30
Table 726: CE compliance
Test
According to
Immunity EN 50263
Emissivity EN 50263
Low voltage directive EN 50178
Section 19 1MRK505222-UUS C
IED hardware
1156
Technical reference manual
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