3
I.
Introduction
4
II.
Programme for environmental protection
4
1. Packing and transport
5
2. Checking on receipt
5
3. Storage
5
4. Handling
6
5. Description
7
5.1. General information
7
5.2. Reference Standards
7
5.3. EL operating mechanism
7
5.4. Fixed circuit-breakers
7
5.5. Withdrawable circuit-breakers
15
5.6. Characteristics of the electrical accessories
35
6. Instructions for circuit-breaker operation
36
6.1. Safety indications
36
6.2. Switching and signalling parts
36
6.3. Circuit-breaker closing and opening operations
37
7. Installation
39
7.1. General
39
7.2. Installation and operating conditions
39
7.3. Preliminary operations
41
7.4. Installation of fixed circuit-breakers
41
7.5. Installation of withdrawable circuit-breakers in UniGear ZS1
and PowerCube modules
41
7.6. Connections of the fixed circuit-breaker power circuit
42
7.7. Earthing
42
7.8. Connection of the auxiliary circuits
42
8. Putting into service
44
8.1. General procedures
44
9. Maintenance
45
9.1. General
45
9.2. Inspections and functionality tests
45
9.3. Overhauling
46
9.4. Repairs
48
10. Application of the standards for X-ray emission
48
11. Spare parts and accessories
49
11.1. List of spare parts
49
12. Electrical diagram
49
13. Overall dimensions
50
Index