2
CONTENTS
1. Safety
4
1.1 For your safety
4
1.2 Skilled personnel
4
1.3
Crucial
information
4
2.
General description
5
2.1 Outer assembly
6
3.
Transport and handling
7
3.1 By receiving inspection
7
3.2 Storage
7
4.
Technical data
8
4.1 Electrical data SafeRing
8
4.2 Electrical data SafePlus
8
5.
Installation
9
5.1 Standard 3-way switchgear
9
5.2 3-way switchgear with base frame (AFL)
10
5.3 3-way switchgear with base frame (AFLR)
11
6. Dimensions
13
7.
Internal arc classification (IAC)
14
8.
Cable compartment
17
8.1 Standard cable compartment
17
8.2 Arc proof cable compartment
17
8.3 Cable connection
18
9.
Extension of switchgear
19
9.1 External busbar
19
9.2 Side connection
19
10.
Current and voltage transformers
19
11.
Motor operation
20
12.
Relay and current transformers
21
13.
Pressure indicator
22
13.1 Gas pressure
22
13.2 Altitude
23
13.2.1 Adjustment of gas pressure
23
14.
Operation of the switchgear
24
14.1 Operating conditions
24
14.2 General warnings and precautions
25
14.3 Putting into service
25
14.3.1 Preparatory work
25
14.4 Start-up
25