WARNING
Do not touch the power unit when the DC-BUS High Voltage LED is on.
There is residual voltage in the power unit even if the main switch is in the OFF
position.
Required spare parts
Note
The spare part numbers that are listed in the table can be out of date. See the
latest spare parts of the OmniCore V250XT Type B via myABB Business Portal,
www.abb.com/myABB.
NoteArticle numberSpare part
DSQC3070
HV 3x380-480V
3HAC063632-001Power unit
DSQC3069
LV 3x380-480V
3HAC062699-001Power unit
Required tools and equipment
NoteArticle numberEquipment
Content is defined in section
Standard toolkit for controller on
page 426.
-Standard toolkit
-ESD protective wrist band
Required documents
NoteArticle numberDocument
3HAC074000-008Circuit diagram - OmniCore
V250XT, rev 04 or later
Removing the power unit
Preparations
Note/IllustrationAction
DANGER
Before doing any work inside the cabinet,
disconnect the mains power. For more
information, see Electrical safety on
page 29.
1
Opening the door on page 184.Open the door.2
Continues on next page
Product manual - OmniCore V250XT Type B 245
3HAC087112-001 Revision: A
© Copyright 2023-2023 ABB. All rights reserved.
5 Repair
5.2.10 Replacing the power unit
Continued