Micom P341 - Electromagnetic Compatibility (EMC)

Update Documentation P341/EN AD/F43
MiCOM P341 (AD) -9
Between all independent circuits.
Between all independent circuits and
protective (earth) conductor terminal.
Between the terminals of independent circuits.
EIA(RS)232 & EIA(RS)485 ports and normally
open contacts of output relays excepted.
Electromagnetic Compatibility
(EMC)
1 MHz Burst High Frequency Disturbance
Test
Per IEC 60255-22-1: 1988, Class III,
Common-mode test voltage: 2.5 kV,
Differential test voltage: 1.0 kV,
Test duration: 2 s, Source impedance: 200 
(EIA(RS)232 ports excepted).
Immunity to Electrostatic Discharge
Per IEC 60255-22-2: 1996, Class 4,
15kV discharge in air to user interface,
display, communication port and exposed
metalwork.
6kV point contact discharge to any part of the
front of the product.
Electrical Fast Transient or Burst
Requirements
Per IEC 60255-22-4: 2002 and
EN61000-4-4:2004. Test severity Class III and
IV:
Amplitude: 2 kV, burst frequency 5kHz
(Class III),
Amplitude: 4 kV, burst frequency 2.5kHz
(Class IV).
Applied directly to auxiliary supply, and applied
to all other inputs. (EIA(RS)232 ports
excepted).
Amplitude: 4 kV, burst frequency 5 kHz
(Class IV) applied directly to auxiliary.
Surge Withstand Capability
Per IEEE/ANSI C37.90.1: 2002:
4kV fast transient and 2.5kV oscillatory applied
directly across each output contact, optically
isolated input, and power supply circuit.
Surge Immunity Test
(EIA(RS)232 ports excepted).
Per IEC 61000-4-5: 1995 Level 4,
Time to half-value: 1.2 / 50 µs,
Amplitude: 4kV between all groups and
protective (earth) conductor terminal.
Amplitude: 2kV between terminals of each
group.
Immunity to Radiated Electromagnetic
Energy
Per IEC 60255-22-3: 2000, Class III:
Test field strength, frequency band 80 to 1000
MHz:
10 V/m,
Test using AM: 1 kHz / 80%,
Spot tests at 80, 160, 450, 900 MHz
Per IEEE/ANSI C37.90.2: 2004:
80MHz to 1000MHz, 1kHz 80% AM and AM
pulsed modulated.
Field strength of 35V/m.
Radiated Immunity from Digital
Communications
Per EN61000-4-3: 2002, Level 4:
Test field strength, frequency band 800 to 960
MHz, and 1.4 to 2.0 GHz:
30 V/m,
Test using AM: 1 kHz/80%.
Radiated Immunity from Digital Radio
Telephones
Per IEC61000-4-3: 2002:
10 V/m, 900MHz and 1.89GHz.
Immunity to Conducted Disturbances
Induced by Radio Frequency Fields
Per IEC 61000-4-6: 1996, Level 3,
Disturbing test voltage: 10 V.
Power Frequency Magnetic Field Immunity
Per IEC 61000-4-8: 1994, Level 5,
100A/m applied continuously,
1000A/m applied for 3s.
Per IEC 61000-4-9: 1993, Level 5,
1000A/m applied in all planes.
Per IEC 61000-4-10: 1993, Level 5,
100A/m applied in all planes at
100kHz/1MHz with a burst duration of 2s.
Conducted Emissions
Per EN 55022: 1998 Class A:
0.15 - 0.5MHz, 79dBV (quasi peak) 66dBV
(average)
0.5 - 30MHz, 73dBV (quasi peak) 60dBV
(average).
Radiated Emissions
Per EN 55022: 1998 Class A:
30 - 230MHz, 40dBV/m at 10m
measurement distance
230 - 1GHz, 47dBV/m at 10m measurement
distance.