ABB VSC User Manual

10 Vacuum contactor
2 Specific VSC instruction
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Maintenance
Maintenance must only be carried out by
ABB personnel or in any case by suitably
qualified personnel who have in-depth
knowledge of the apparatus (IEC62271-106).
Should the maintenance be carried out by
non-ABB personnel, they are responsible
for the interventions.
Replacement of any parts not included in
the “List of spare parts/accessories” must
only be carried out by ABB personnel.
In particular:
• Vacuum interrupter assembly
• MAC-R2 electronic card
• Actuator assembly
• Auxiliary contacts
• Capacitor
Spare parts
All assembly operations of spare parts and
accessories must be carried out by ABB
personnel or by suitably qualified customer
personnel with in-depth knowledge of the
apparatus, following the instructions
enclosed with the spare parts, (IEC62271-106)
and all the Standards aimed at carrying
out these interventions in safe conditions.
Should maintenance be carried out by
the customer’s personnel, responsibility
for the interventions lies with the customer.
Before carrying out any operation, always
make sure that the contactor is open and
that it is not energized (medium voltage
circuit and auxiliary circuits).
To order contactor spare parts/accessories, refer
to the ordering sales codes listed in the technical
catalogue.
For availability and to order spare parts, please
contact our service office.
List of spare parts
• Vacuum interrupter assembly (replacement to
be carried out by ABB)
• MAC-R2 electronic card
• Auxiliary contacts (5 normally open and/or 5
normally closed)
• Capacitor
• Actuator assembly (replacement to be carried
out by ABB)
• Operation counter
• Fuses
• Adapters for fuses
• Fuse-holders (replacement to be carried out
by ABB)
• Tulip and jaw-type isolating contacts
• Insulator (Fig2.b 9)
• Insulating cover (Fig2.b 12)
• Locking magnet in the truck
• Interlock in the truck (Fig2.c 15)
• Microswitches
Electrical diagram
The standard VSC for 800 mm width panel electrical
circuit diagram is as follows:
• 1YHA000099: VSC electrical diagram
Each contactor is always provided with the
standard electrical diagram or with a specific
diagram in the case of a vacuum contactor with
non-standard cabling.

ABB VSC Specifications

General

Brand	ABB
Model	VSC
Category	Industrial Electrical
Language	English