Siemens 8BT2 Installation And Operating Instructions Manual page 39

Busbar systems of coupling panels
881-4027.9 * INSTALLATION AND OPERATING INSTRUCTIONS 8BT2 * Revision 04
Coupling panel group consists of two panels, sectionalizing and bus riser. Single line diagrams
of two combinations of bus-tie panels are as shown below:
Sectionalizing panel
Diagram1
You will find the installation instructions;
for Diagram1 in fig29 – 32.on pages40 – 43.
for Diagram2 in fig33.on page44
ATTENTION!
Please ensure that the bolt directions are applied correctly as mentioned at fig29 –
fig33. It is important to provide the sufficient clearances between phases and
earthed parts.
Apply the exact bolt sizes listed in below table due to the critical electrical
clearances between live parts under the voltage. Longer the bolt is used, more
risks you take at the insulation.
The threads of the bolts and nuts must be dry and non-greasy.
Check contact surfaces of busbars, brush if necessary and apply a thin film of Shell
Vaseline 8422 DAB 8.
Steel frame to fix the insulated separation plate
Busriser panel
Diagram2
("X" means the circuit breaker.)
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