Siemens 8BT2 Installation And Operating Instructions Manual page 8

Switchgear room Please observe the following points when preparing the switchgear room:
• Transport ways to the switchgear room
• Distribution and intermediate storage spaces
• Size of the room and the doors
• Construction and load-bearing capacity of the floor
• Illumination, heating, power and water supply
Wall standing type
1) without the closed
pressure relief duct
Room inner height [mm]
8
SWITCHGEAR
2) with the closed
pressure relief duct
NOTE!
To install the switchgear, the room must have the certain minimum dimensions. Please
observe the following illustrations.
Rated short time
withstand current [kA]
25 – 31.5
ATTENTION!
Depending on the room height, the pressure relief system of switchgear with the
evacuation ducts must be led to the outside of the switchgear building to be able to
exhaust the hot gas due to an arc fault.
Revision 04 * INSTALLATION AND OPERATING INSTRUCTIONS 8BT2 * 881-4027.9
• Dimensions of installation scaffoldings and
foundation rails
• Installation of high-voltage cables
• Earthing system
• Cleanliness: Switchgear room free of dirt and dust
Free standing type
1) without the closed 2) with the closed
pressure relief duct pressure relief duct
Without the closed
pressure relief duct
3400
With the closed
pressure relief duct
3000