Chapter 3 InstallationMS300 (IP66 / NEMA 4X)
3-2
3-1 Minimum Mounting Clearance and Installation
Prevent fiber particles, scraps of paper, shredded wood sawdust, metal particles, etc. from adhering
to the heat sink.
Install the AC motor drive in a metal cabinet. When installing one drive below another one, use a
metal separator between the AC motor drives to prevent mutual heating and to prevent the risk of
accidental fire.
Install the AC motor drive in Pollution Degree 2 environments only: normally only non-conductive
pollution occurs and temporary conductivity caused by condensation is expected.
Mount the drive in an IP66 or NEMA 4X cabinet in order to maintain the Pollution Degree 2 or in a
pollution-controlled environment.
The following figure is for reference only.
Single drive installation
Airflow direction:
inflow
outflow
distance
Minimum mounting clearance
Installation method A (mm) B (mm)
mbient temperature (
o
C)
Max. (Without derating) Max. (derating)
Single drive installation 50 30 40 50
NOTE
The minimum mounting clearances A and B stated in the table above apply to AC motor drives installation. Failing to
follow the minimum mounting clearances may cause the fan to malfunction and cause heat dissipation problems.
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