1
For your safety!
Make sure that the installation room (spaces, divisions and ambient) is suitable for the electrical apparatus.
Check that all the installation, putting into service and maintenance operations are carried out by qualified personnel
with suitable knowledge of the apparatus.
Make sure that the standard and legal prescriptions are complied with during installation, putting into service and
maintenance, so that installations according to the rules of good working practice and safety in the work place are
constructed.
Strictly follow the information given in this instruction manual.
Check that the rated performance of the apparatus is not exceeded during service.
Check that the personnel operating the apparatus have this instruction manual to hand as well as the necessary
information for correct intervention.
Pay special attention to the danger notes indicated in the manual by the following symbol:
Responsible behaviour safeguards your own and others’ safety!
For any requests, place contact the ABB Assistance Service.
Index
I. Introduction 2
II. Programme for environmental protection 2
1. Packing and transport 2
2. Checking on receipt 2
3. Storage 3
4. Handling 4
5. Description 5
5.1. General information 5
5.2. Reference Standards 5
5.3. Fixed circuit-breakers 5
5.4. Circuit-breakers for ABB switchgear 9
5.5. Characteristics of the electrical accessories 16
6. Instructions for circuit-breaker operation 17
6.1. Safety indications 17
6.2. Switching and signalling parts 17
6.3. Circuit-breaker closing and opening operations 17
7. Installation 18
7.1. General 18
7.2. Installation and operating conditions 18
7.3. Preliminary operations 19
7.4. Installation of fixed circuit-breakers 19
7.5. Installation of circuit-breakers for ABB switchgear 19
7.6. Connections of the power circuit 19
7.7. Earthing 20
7.8. Connection of the auxiliary circuits 20
8. Putting into service 21
8.1. General procedures 21
9. Maintenance 22
9.1. General 22
9.2. Inspections and functionality tests 22
9.3. Overhauling 22
9.4. Repairs 24
10. Application of the standards for X-ray emission 25
11. Spare parts and accessories 25
11.1. List of spare parts 25
12. Overall dimensions 26
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