PowerFlex Digital DC Drive User Manual - Publication 20P-UM001C-EN-P - July 2008
1-2 Installation and Wiring
Mounting Considerations
Operating Conditions and Temperatures
PowerFlex DC drives are designed to operate at 0° to 50° C surrounding air
temperature without derating. The drive must be mounted in a clean, dry
location. Contaminants such as oils, corrosive vapors and abrasive debris
must be kept out of the enclosure. NEMA/UL Type Open, IP20 enclosures
are intended for indoor use primarily to provide a degree of protection
against contact with enclosed equipment. These enclosures offer no
protection against airborne contaminants.
Minimum Mounting Clearances
Minimum clearance requirements (indicated in Figure 1.1) are intended to
be from drive to drive. Other objects can occupy this space; however,
reduced airflow may cause protection circuits to fault the drive. The drive
must be mounted in a vertical orientation as shown below and must not be
mounted at an angle greater than 30° from vertical. In addition, inlet air
temperature must not exceed the product specification.
Figure 1.1 Drive Enclosure Minimum Mounting Clearances
10 mm
10 mm
50 mm
(0.4 in.)
(0.4 in.) (2.0 in.)
10 mm
(0.4 in.)
150 mm (6.0 in.)
150 mm (6.0 in.)
150 mm (6.0 in.)
STS
PORT
MOD
NET A
NET B
STS
PORT
MOD
NET A
NET B
Airflow through
the drive must
not be impeded.
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