Rockwell Automation 7000 PowerFlex Medium Voltage AC Drive (B Frame) - ForGe Control - Manual (Page 93)

Rockwell Automation Publication 7000-UM202B-EN-P - June 2014 93
Component Definition and Maintenance Chapter 3
Replacing Heat Sinks/
Heat Pipes There are three different styles of heat sinks and one type of heat pipe used in
PowerFlex air-cooled drives, depending on thermal requirements:
• Aluminum Type W heat sinks have a plurality of short internal fins along
the internal surfaces
• Aluminum Type M heat sinks have internal fins with flat surfaces.
• Copper heat sinks have internal fins made from folded copper foil
• Heat pipes have a stack of aluminum fins
Figure 85 - Styles of Heat Sinks / Heat Pipes
Aluminum Type W Aluminum Type M Copper
Heat Pipe