Siemens NXAIR Operating Instructions Manual page 399

Instruction label on high-voltage door:
In addition to these instructions, an instruction label on the high-voltage door informs about proper operation
of the racking crank for moving the withdrawable circuit-breaker / circuit-breaker truck.
Fig. 718: High-voltage door: Instruction label about
Preconditions
•
Withdrawable circuit-breaker / circuit-breaker truck in service position
•
Circuit-breaker in OPEN position
•
Panel set to local control
•
Control door open
•
Double-bit key for selecting racking mode inserted and access mode indicator shows "H"
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Panels with motor operating mechanism control
NOTICE
Maloperation
All interlocks are only released when the withdrawable circuit-breaker / circuit-
breaker truck is in a stable end position.
Rack the withdrawable circuit-breaker / circuit-breaker truck absolutely
until end position.
NOTICE
Maloperation
The panel automatically blocks electrical racking when the control door is open.
To prevent accidentally blocking access for electrical racking by opening
the control door, padlock the control door immediately after closing it.
operation of racking crank
NXAIR / ≤ 40 kA
399