Switchgear 12 kV
Rated voltage Rated frequency Rated short-duration power-frequency withstand voltage Rated lightning impulse withstand voltage Rated short-time withstand current, 3 s Rated peak withstand current at 50 Hz Rated short-circuit breaking current Rated short-circuit making current at 50 Hz Rated normal current of busbar Rated normal current of feeders
Accessibility – Front – Rear – Lateral
Test current Test duration
IAC
Type A Type A Type A kA 25 s 0.1/1.0
Construction and design
Partition class for circuit-breaker Loss of service continuity category
/medium-voltage-switchgear
Switchgear Type 8BT1, up to 24 kV, air-insulated
Medium Voltage Switchgear · Catalog HA 26.31 · 2012
Answers for infrastructure and cities.
Contents
Application Benefits Typical uses
Technical Data Ratings Classification, dimensions, room planning
Product Range Panels
Design Panel design Compartments, interlocks, operation Benefits and features
– with circuit-breaker – with switch-disconnector – with switch-disconnector with fuses
12 kV 50 Hz 28 kV 75 kV 25 kA 63 kA 25 kA 63 kA 2000 A
2000 A 630 A 200 A 1)
– with circuit-breaker – with switch-disconnector – with switch-disconnector with fuses
Rated values (max.)
24 kV 50 Hz 50 kV 125 kV 25 kA 63 kA 25 kA 63 kA 2000 A
Standards Standards, specifications, guidelines, notes
Page 2 2 and 3
4 5
6 and 7
8 9 10
11 and 12
Invalid: Catalog HA 26.31 · 2007
Application
Benefits, typical uses
Technical Data
Classification, dimensions, room planning
Classification of the 8BT1 switchgear acc. to IEC 62 271-200
Internal arc classification
Classification
Typical uses
Application Industry
R-HA25-326 eps
R-HA25-308 eps
Application Public power supply system
R-HA25-327 eps
R-HA26-014.tif
8BT1 switchgear
Application Industry Switchgear Type 8BT1, up to 24 kV, Air-Insulated · Siemens HA 26.31 · 2012 3
Benefits (see also page 10 for details) • Saves lives • Peace of mind • Increases productivity • Saves money • Preserves the environment
Switchgear type 8BT1 is a factory-assembled, type-tested switchgear for indoor installation according to IEC 62 271-200 and VDE 0671-200.
installations
■ Lignite open-cast mines ■ Traction power supplies
2 Switchgear Type 8BT1, up to 24 kV, Air-Insulated · Siemens HA 26.31 · 2012
Application
R-HA26-013. eps
The products and systems described in this catalog are manufactured and sold according to a certified quality and environmental management system (acc. to ISO 9001 and ISO 14001).
industries
■ Chemical industry ■ Petroleum industry ■ Pipeline installations ■ Electrochemical plants ■ Petrochemical plants ■ Diesel power plants ■ Emergency power supply
■ Power supply companies
Application: Industry
■ Power stations ■ Cement industry ■ Automobile industry ■ Iron and steel works ■ Rolling mills ■ Mining industry ■ Textile, paper and food
24 kV Width B For max. 1250 A vacuum circuit-breaker
For 2000 A vacuum circuit-breaker For switch-disconnector Height H1 With standard low-voltage compartment H2 With pressure relief system 3) H2 With lead-off duct Depth T1 Without low-voltage compartment T2 With low-voltage compartment
For 2000 A vacuum circuit-breaker For switch-disconnector Height H1 With standard low-voltage compartment H2 With pressure relief system 3) H2 With lead-off duct Depth T1 Without low-voltage compartment T2 With low-voltage compartment
8BT1 panel Maximum ratings 24 kV / 25 kA / 2000 A
Typical uses
The 8BT1 switchgear can be used in transformer and switching substations, e.g.:
Application: Power supply system
PM LSC2A
Compartment accessibility (standard)
– Busbar compartment
Tool-based
– Switching-device compartment
Interlock-based
– Connection compartment, front connection Interlock-based
Ratings
Switchgear 24 kV Rated voltage Rated frequency Rated short-duration power-frequency withstand voltage Rated lightning impulse withstand voltage Rated short-time withstand current, 3 s Rated peak withstand current at 50 Hz Rated short-circuit breaking current Rated short-circuit making current at 50 Hz Rated normal current of busbar Rated normal current of feeders
– with circuit-breaker – with switch-disconnector – with switch-disconnector with fuses