Rockwell Automation DC3E Non-Regenerative DC Drive User Guide 1/4 - 2 HP, 115/230 VAC - Manual (Page 41)

33 Installation
Slide switches
See Figure 9 on page 35 for all slide switch locations.
LINE VOLTAGE (SW501 and SW502)
Select the appropriate line voltage: 115 for 115 VAC line
voltage, or 230 for 230 VAC line voltage.
MOTOR (SW503)
Select the maximum armature voltage: 90V for 90 VDC
motors, or 180V for 180 VDC motors. If the AC line
voltage is 115 VAC, the typical maximum output voltage is
90 VDC. If the AC line voltage is 230 VAC, the typical
maximum output voltage is 180 VDC.
ATTENTION: Change slide switch settings only when
the drive is disconnected from the AC line voltage.
Make sure both line voltage and motor switches are set
to their correct position. If the switches are improperly
set to a lower voltage position, the motor will not run at
full voltage and may cause transformer damage. If the
switches are improperly set to a higher voltage position,
the motor will overspeed, which may cause motor
damage or result in bodily injury or loss of life.
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