Delta Compact Drive MS300 IP66/NEMA 4X Series User Manual page 26

Chapter 3 InstallationMS300 (IP66 / NEMA 4X)
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
Minimum mounting clearance
Installation method
Single drive installation
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.
Airflow direction:
A (mm) B (mm)
Max. (Without derating)
50 30
3-2
inflow
outflow
distance
Ambient temperature ( C)
o
Max. (derating)
40 50