9 | Operation
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8DJH • Installation and Operating Instructions • Version 11 • 500-8384.9
9.2.11 Momentary-contact rotary control switch for motor operating mechanism
(option)
On site, the disconnector or the earthing switch can be closed or opened via the motor operating
mechanism (option). This function is only active if the local-remote switch (option) is in
Local
position.
After operation, the momentary-contact rotary control switch returns to the central position
automatically.
Opening
Central position
Closing
M
O
M
O
M
O
9.2.12 Key-operated interlock (option)
Interlocking possibilities of the key-operated interlock:
Interlocking stipulation
Cylinder lock
Behavior
Switch-disconnector or disconnector
Interlocking the switching operation from
OPEN to CLOSED position (KF 1)
▪ Key free in OPEN position
▪ Key trapped in CLOSED position
Earthing switch
Interlocking the switching operation from
OPEN to EARTHED position (KF 2):
▪ Key free in OPEN position
▪ Key trapped in EARTHED position
Earthing switch
Interlocking the switching operation from
EARTHED to OPEN position (KF 3)
▪ Key free in EARTHED position
▪ Key trapped in OPEN position
Fig. 179:
Control gate of the key-operated interlock
Interlocking the switch position
1. Switch the panel to the switch position to be interlocked.
2. Push the control gate upwards.
3. Turn the key in the corresponding cylinder lock according to the interlocking stipulation, and
remove it.
4. Push the control gate downwards.
9.3 Operating the panel types (overview)
In the following overview, the corresponding operation chapters are assigned to the panel types.
Panel type
Operation
R
Ring-main panel
[
Page 139, "Operating the panel with
S
Bus sectionalizer panel with three-position
switch-disconnector
M(500)
Busbar voltage metering panel with
disconnector
T
Transformer panel
[
Page 142, "Operating the panel with
H
Bus sectionalizer panel with switch-fuse
combination
M(430)
Busbar voltage metering panel with primary
fuse protection
Summary of Contents for 8DJH
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