Momentary-Contact Rotary Control Switch For Motor Operating Mechanism (Option); Key-Operated Interlock (Option); Operating The Panel Types (Overview) - Siemens 8DJH Installation And Operating Instructions Manual

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Table of Contents
9 | Operation
9.2.11 Momentary-contact rotary control switch for motor operating mechanism

9.2.12 Key-operated interlock (option)

9.3 Operating the panel types (overview)

138/174
(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
O
M
Interlocking possibilities of the key-operated interlock:
Interlocking stipulation
Switch-disconnector or disconnector
Interlocking the switching operation from
OPEN to CLOSED position (KF 1)
Earthing switch
Interlocking the switching operation from
OPEN to EARTHED position (KF 2):
Earthing switch
Interlocking the switching operation from
EARTHED to OPEN position (KF 3)
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.
In the following overview, the corresponding operation chapters are assigned to the panel types.
Panel type
R
Ring-main panel
S
Bus sectionalizer panel with three-position
switch-disconnector
M(500)
Busbar voltage metering panel with
disconnector
T
Transformer panel
H
Bus sectionalizer panel with switch-fuse
combination
M(430)
Busbar voltage metering panel with primary
fuse protection
8DJH • Installation and Operating Instructions • Version 11 • 500-8384.9
Central position
O
M
Cylinder lock
Behavior
▪ Key free in OPEN position
▪ Key trapped in CLOSED position
▪ Key free in OPEN position
▪ Key trapped in EARTHED position
▪ Key free in EARTHED position
▪ Key trapped in OPEN position
Operation
[▶ Page 139, "Operating the panel with
switch-disconnector"]
[▶ Page 142, "Operating the panel with
switch-fuse combination"]
Closing
O
M

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