ABB ACS2000 DFE, User Manual

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2-16 (28) 2UEA001270 Rev. F ACS2000 User manual
Chapter 2 - Power electronics and cabinet features
2.3 Doors and door locks
To ensure safety and to prevent the doors from being opened
unintentionally, both doors are lockable, and the AFE/INU compartment
door where medium voltage is present during operation is mechanically
interlocked. The door locks also have inserts to ensure that these doors
can only be opened by personnel authorized to do so.
Figure 2-14 Door locks
Legend
1 Door of control compartment with
swing frame: lockable
Cover plates behind the control
compartment for power terminal
entry unit access: bolted
2 Cover of input filter compartment:
bolted
The ventilation grill can be removed
during operation to replace the filter
mat.
3 Door of AFE/INU compartment:
Mechanically interlocked and
lockable
Door cannot be opened when the
main power has been applied.
Door cannot be opened when the
drive is ungrounded.
The ventilation grills can be
removed during operation to
replace the filter mat.
1 2 3
Triangular key Round key