Ventilation - Danfoss VLT DMS 300 Manual

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98.0
60.0
177ha008.10
Dimension drawing - DMS Motor mount version
NOTE
Do not mount in direct sunlight or near
heat radiating elements.

Ventilation

DMS cooling is by means of air circulation.
Consequently, the air needs to be able to move
freely above and below the soft starter.
If installing the DMS in a switchboard or other
enclosure, ensure there is sufficient airflow through
the enclosure to limit heat rise in the enclosure to
maintain the internal enclosure temperature at or
below 104 deg. F. (40 deg. C.) (Heat loss of DMS at
rated current is 0.025 HP (18 watts) approx.).
FLC
100%
90%
80%
70%
40 (140)
Temperature
Derating curve for temperature
44
60.0
98.0
50 (122)
60 (140)
°C (°F)
Decentral Solutions
FLC
100%
98%
96%
94%
92%
1000 (3300)
Altitude from Mean Sea Level
Derating curve for altitude
MG.90.F2.22 - VLT is a registered Danfoss trademark
40 (104)
38 (100)
36 (97)
34 (93)
2000 (6600)
3000 (10000)
m (ft)

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