Mechanical Interlocking With Padlock; Locking Device For Pushbutton; Local-Remote Switch (Option) - Siemens 8DJH Installation And Operating Instructions Manual

9.2.8 Mechanical interlocking with padlock

Padlock position
Actuating opening Earthing switch
Possible switching opera- ▪ EARTHING
tions
▪ DE-EARTHING

9.2.9 Locking device for pushbutton

9.2.10 Local-remote switch (option)

500-8384.9 • Version 11 • Installation and Operating Instructions • 8DJH
Bottom
none
No switching operations
possible
Precondition: Spring en-
ergy store not charged
Tab. 48: Shackle diameter of padlock
Minimum [mm] Maximum [mm]
6 12
The pushbuttons can be equipped with a device for padlocking or for sealing (option).
Tab. 49: Shackle diameter of padlock
Minimum [mm] Maximum [mm]
3 6
Fig. 178: Locking the pushbutton
Locking the pushbutton
1. Close the flap at the pushbutton.
2. Hook the padlock in and lock it, or fit the sealing.
The local-remote switch determines the location from which the three-position disconnectors or
three-position switch-disconnectors can be motor-operated. The local-remote switch latches
tight in the selected setting.
Local setting
Local operation by motor
Local
Center
Disconnector
Switch-disconnector
▪ CLOSED
▪ OPEN
Precondition: Only possible
if the circuit-breaker is open
Flap at the pushbutton
1
Hole for shackle padlock
2
Hole for sealing
3
Remote setting
Remote operation by motor from the control room or
monitoring station
Remote
Operation | 9
Top
Circuit-breaker
Transformer switch
Charging the spring
Local Remote
137/174