Advertisement
Table of Contents
- 1 Safety Instructions
- 2 Type Classification
- 3 Circuit Breaker Panel
- 4 Switch Panel
- 5 Circuit Breaker
- 6 Vacuum Interrupters
- 7 Mechanical Interlock
- 8 Three-Position Switch
- 9 Switch Positions
- 10 Panel Connections
- 11 Technical Data
- 12 Operation
- 13 Maintenance
- 14 Cable Testing
- 15 Service Life
- 16 Accessories and Spare Parts
- Download this manual
Advertisement
Table of Contents
Related Manuals for Siemens 8DA12
Summarization of Contents
Safety Instructions
Safety Rules and Personnel
Covers essential safety rules, qualifications, and definitions for safe operation of the switchgear.
Description
Product Overview and Features
Covers typical uses and key features of the 8DA series switchgear, including its voltage and current ratings.
Type Classification and Panel Components
Details type classification of the switchgear and components of the circuit-breaker panel.
Switchpanel Details
Illustrates the switchpanel with numbered components and the control board for the three-position switch.
Circuit-Breaker Design
Explains the design of the circuit-breaker, including its operating mechanism and vacuum interrupters.
Operating Mechanism Box
Describes the function and design of the circuit-breaker's operating mechanism box.
Three-Position Switch Function
Explains the combined function of the three-position switch as a disconnector and earthing switch.
Instrument Transformers
Covers voltage transformers, voltage indication systems, and current transformers used in the switchgear.
Gas Compartments and Panel Connections
Explains gas compartments, panel connections, and provides examples.
Technical Data and Standards
Summarizes rated data, protection ratings, SF6 gas properties, standards, and rating plates.
Operation
Circuit-Breaker Operations
Covers the control board, manual operations, testing, and spring charging for the circuit-breaker.
Three-Position Switch Operations
Details control elements, manual operations, emergency use, and position indication for the three-position switch.
Feeder Earthing and Busbar Earthing
Describes procedures for feeder earthing, de-earthing, and busbar make-proof earthing switch operations.
Interlocks and Safe Isolation
Covers interlocks, safe isolation procedures, and terminal connection verification.
Switching Operations Overview
Provides diagrams for various switching operations in panels, sectionalizers, and transformers.
Servicing
Maintenance and Inspection
Covers switchgear maintenance, safety instructions, inspection schedule, and procedures.
Cable Testing and Accessories
Details cable testing procedures, safety instructions, accessories, and spare parts.
Need help?
Do you have a question about the 8DA12 and is the answer not in the manual?
Questions and answers