18
U N I G E A R Z S 2 I N S TA L L AT I O N , O P E R AT I O N A N D M A I N TA I N A N C E I N S T R U C T I O N M A N U A L
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Figure 25.3
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Figure 25.5 - CB/Cable compartment door enabling device
Electromechanical door interlock for CB and cable
compartment
4.3.4 Locking devices
•
The main circuit's metallic shutters can be
padlocked independently when the
withdrawable circuit breaker has been
removed from switchgear. (Fig 25.4)
•
Access to the circuit breaker racking slot can
be restricted with a pad lock.
•
Access to the circuit breaker compartment
can be restricted with a padlock.
•
Access to the operating-shaft of the earthing
switch can be restricted with a key lock.
(optional feature on request)
Note: For any padlock provision, padlock of
Ø6mm can be used.
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Figure 25.4
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Figure 26 - Push button for mechanical ON/OFF breaker operation
with the door closed.
If the withdrawable part is in the service position, operation is carried
out using the knob which swings a push rod extension out.
26.1 Mechanical pushbutton
26.2 Turning knob
26.3 Handle
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Figure - E&S Lock Arrangement
26.2
26.1
Turning knob
Mechanical
push
button
26.3
Handle