Specifications

All inputs, outputs, circuits, DC supplies and relay contacts are galvanically isolated from the supply voltage (PELV) and
other high-voltage terminals.
Surroundings
Enclosure IP20
Enclosure kit available IP21, TYPE 1
Vibration test 1.0g
Max. relative humidity 5% - 95% (IEC 60721-3-3; Class 3K3 (non-condensing) during operation
Aggressive environment (IEC 60721-3-3), coated (standard) frame H1-H5 Class 3C3
Aggressive environment (IEC 60721-3-3), non-coated frame H6-H10 Class 3C2
Aggressive environment (IEC 60721-3-3), coated (optional) frame H6-H10 Class 3C3
Test method according to IEC 60068-2-43 H2S (10 days)
Ambient temperature See max. output current at 40/50°C in the tables mains supply
Derating for high ambient temperature, see section on special conditions
Minimum ambient temperature during full-scale operation 0°C
Minimum ambient temperature at reduced performance, enclosure frame H1-H5 -20°C
Minimum ambient temperature at reduced performance, enclosure frame H6-H10 -10°C
Temperature during storage/transport -30 - +65/70°C
Maximum altitude above sea level without derating 1000m
Maximum altitude above sea level with derating 3000m
Derating for high altitude, see section on special conditions
Safety standards EN/IEC 61800-5-1, UL 508C
EMC standards, Emission EN 61800-3, EN 61000-6-3/4, EN 55011, IEC 61800-3
EMC standards, Immunity
EN 61800-3, EN 61000-6-1/2, EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN
61000-4-6
8.3 Acoustic Noise
The acoustic noise from the frequency converter comes
from 3 sources:
1. DC intermediate circuit coils
2. Integral fan
3. RFI filter choke
The typical values measured at a distance of 1m from the
unit:
Frame Level [dBA]
H1 57.3
H2 59.5
H3 53.8
H4 64
H5 63.7
H6 63.2
H7 67.5 (75kW 71.5 dB)
H8 71.4
General Specifications and ... VLT HVAC Basic Drive Design Guide
88 MG.18.C2.02 - VLT
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