Electric Circuit Diagram - ABB VM1 Installation And Service Instructions Manual

13. Electric circuit diagram

Circuit-diagram of VM1/P-W-Z-ZH circuit-breaker in
withdrawable version with magnetic actuator.
For other circuit-breakers, please consult us.
graphical symbols for electrical diagrams (617 ieC Standards)
Thermal effect
Electromagnetic
effect
Delay
Pushbutton control
Key control
Earth (general symbol)
Frame
42
The diagram indicates the following conditions:
– circuit-breaker off and connected
– circuits de-energized
Conductors in screened
cable (two conductors
shown)
Connection of
conductors
Terminal or clamp
Socket and plug
(female and male)
Resistor
(general symbol)
Capacitor
(general symbol)
Motor (general
symbol)
Rectifier in full wave
connection (bridge)
Make contact
Break contact
Change-over break
before make contact
Passing make contact
closing momentarily
when its operating
device is released
Position switch
(limit switch)
make contact
Position switch
(limit switch)
brake contact
Circuit-breaker with
automatic release
Operating device
(general symbol)
Lamp
(general symbol)
Twisted conductors,
two conductors
shown
Delayed action
(in the direction
of movement from the
arc towards its centre)
Insulated binary digital
input
Semiconductor diode
(general sysmbol)