en/ACS800-04/U4 Hardware Manuals - VAE ProSys sro
en/ACS800-04/U4 Hardware Manuals - VAE ProSys sro
en/ACS800-04/U4 Hardware Manuals - VAE ProSys sro
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94DeratingThe load capacity (curr<strong>en</strong>t and power) decreases if the installation site altitude exceeds 1000 metres(3300 ft), or if the ambi<strong>en</strong>t temperature exceeds 40 °C (1<strong>04</strong> °F).Temperature deratingIn the temperature range +40 °C (+1<strong>04</strong> °F) to +50 °C (+122 °F) the rated output curr<strong>en</strong>t is decreased by1% for every additional 1 °C (1.8 °F). The output curr<strong>en</strong>t is calculated by multiplying the curr<strong>en</strong>t giv<strong>en</strong> inthe rating table by the derating factor.Example If the ambi<strong>en</strong>t temperature is 50°C (+122 °F), the derating factor is 100% - 1%· 10 °C =90% or 0.90. The output curr<strong>en</strong>t is th<strong>en</strong> 0.90 · I 2N or 0.90 · I 2hd .°CAltitude deratingIn altitudes from 1000 to 4000 m (3300 to 13123 ft) above sea level, the derating is 1% for every 100 m(328 ft). For a more accurate derating, use the DriveSize PC tool. See Installation sites above 2000metres (6562 feet) on page 57.Cooling characteristics<strong>ACS800</strong>-<strong>04</strong>frame sizeMinimum effective area of air inlet Minimum effective area of air outletcm 2 cm 2IP22 cabinet IP54 cabinet IP22 cabinet IP54 cabinetR2 125 250 200 400R3 250 500 400 800R4 375 750 600 1200R5 500 1000 800 1600R6 1000 2000 1600 3200Cooling requirem<strong>en</strong>ts for flange mounting<strong>ACS800</strong>-<strong>04</strong>frame sizeAir flow: drive front sideAir flow: heat sink sidem 3 /h m 3 /hR2 18 35R3 30 69R4 30 103R5 30 168R6 30 405Technical data
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