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MEDI UM VOLTAG E SERV ICE
VD4G
Installation and operating instructions
15 kV - 1250... 3150 A - 25...40 kA
• Make sure that the rated performance of the
apparatus is not exceeded during service.
• Make sure that the personnel are provided with
this manual and all the information required for
operating the apparatus correctly.
• Pay special attention to the information in the
manual highlighted by the following symbol:
—
For your safety!
• Make sure that the installation room (space,
divisions and environment) is suitable for the
electrical apparatus.
• Make sure that all the installation, putting into
service and maintenance operations are carried
out by skilled personnel with in-depth knowledge
of the equipment.
• Check that all the installation, service and
maintenance operations comply with the
regulations and laws in force so as to ensure that
the installations are constructed in accordance
with the rules of good workmanship and safety in
the work place.
• Strictly comply with the instructions in this
manual.
Responsible behavior safeguards your own
and others’ safety!
Please contact the ABB Assistance Service for any
further requirements.
Contents
For your safety!
1
I. Foreword
2
II. Environmental protection program
2
1. Packing and transport
3
2. Checking on receipt
4
3. Storage
5
4. Handling
6
5. Description
7
6. Instructions for circuit-breaker switching
23
7. Installation
26
8. Putting into service
30
9. Maintenance
32
10. Application of the X-ray emission Standards 36
11. Spare parts and accessories
37
12. Circuit diagrams
38
13. Overall dimensions
39
14. Quality of the products and environmental
protection 43
