Siemens 8BK80, Manual, Page: 10 / 36

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Table of Contents
Page Nos
1. Technical Description
1.1 General 4
1.1.1 Application 4
1.2 Design Features 4
1.2.1 Circuit Breaker Compartment 4
1.2.1.1 Vacuum Circuit Breaker 4
1.2.1.2 Equipment 6
1.2.1.3 Motor Operating Mechanism (MI) 7
1.2.1.4 Closing Release (Y9) 3AY1510Y 7
1.2.1.5 Shunt Releases (Shunt opening releases) 7
1.2.1.6 Socket for low voltage plug connector 8
1.2.1.8 Mechanical interlock 3AX1520-2C 8
1.2.1.9 Service Position 9
1.2.1.10 Test Position 9
1.2.2 Accessories 10
1.2.3 Interlocks 10
1.3 Technical Data 10
1.3.1 Switching Device Compartment 10
1.3.2 Vacuum Circuit Breaker 10
2. Installation
2.1 Transport Units 12
2.2 Packing 12
2.4.1 Storage 12
2.5 Transferring the Transport Units 12
2.5.1 Removing the truck from the panel 12
2.6.1 Joining of the Panels 12
2.8.3 Protecting the panels against
Environmental effects
14
2.10 Circuit breaker wiring 14
3. Putting the Switchgear into Service
3.1 Test Operations 17
3.1.1 With Door Open 17
Page Nos
4. Operations
4.1.2.1 Normal Operations 20
4.1.3.1 Normal Operations 20
4.1.4 Removing the LV Plug 21
4.1.5 Connecting the LV Plug 21
4.2 Circuit Breaker Operating Mechanism 21
4.3 Circuit Breaker Operation 21
4.4 Earthing 21
4.4.1 Earthing of Busbars / Cables with a
Drawout Truck
21
4.4.1.1 Disconnection of Earthing Drawout Truck 21
4.5 Breaker Compartment Door 22
4.5.1 To Open the Door 22
4.5.2 To Close The Door 22
5. Maintenance
5.1 Switching Device Compartment 23
5.1.2 Cleaning 23
5.1.3 Lubrication 23
5.2 Vacuum Circuit Breaker 24
5.2.2 Servicing 25
6 Defecting door interlock of HV compartment
7. Disposal of Product 27
8 Summary of Important Instructions 28
9. Additional Information
9.1 Reference list of Items 29