2
Index
I. Introduction 3
II. Programme for environmental protection 3
1. Packing and transport 4
2. Checking on receipt 4
3. Storage 4
4. Handling 5
5. Description 6
5.1. General information 6
5.2. Reference Standards 6
5.3. Fixed circuit-breaker 6
5.4. Withdrawable circuit-breaker 10
5.5. Characteristics of the electrical accessories 18
6. Instructions for circuit-breaker operation 19
6.1. Safety indications 19
6.2. Operating and signalling parts 19
6.3. Circuit-breaker closing and opening operations 20
7. Installation 21
7.1. General 21
7.2. Installation and operating conditions 21
7.3. Preliminary operations 24
7.4. Installation of fixed circuit-breaker 24
7.5. Installation of withdrawable circuit-breaker 24
7.6. Power circuit connection of fixed circuit-breaker 25
7.7. Earthing 26
7.8. Connection of the auxiliary circuits 26
7.9. Overall dimensions 29
Fixed circuit-breakers 29
Withdrawable circuit-breakers for UniGear type ZS1 and UniSafe switchgear 33
8. Putting into service 37
8.1. General procedures 37
9. Maintenance 39
9.1. General 39
9.2. Inspection and functional testing 39
9.3. Servicing 40
9.4. Repairs 41
10. Application of the standards for X-ray emission 42
11. Spare parts and accessories 42
11.1. List of spare parts 42
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