HEIDENHAIN TNC 410 M Technical Manual page 450

QAN 320 series
7 – 28
The power connection of the HEIDENHAIN asynchronous motors QAN 320 is
made via a terminal box. The connections for the fan are also to be found in
the terminal box. See "Connecting the Fan" on page 7–35.
Terminal box for QAN 320M, QAN 320W, QAN 320L as of August 2006:
Terminal box for QAN 320M, QAN 320 W until August 2006:
HEIDENHAIN Technical Manual for Inverter Systems and Motors