Technical information

6/3
M
1SDC210033D0202
Wiring Diagrams
Graphic symbols (IEC 60617 and CEI 3-14 …3-26 Standards)
Opening contact
Changeover contact with
momentary break
Closing position contact
(limit switch)
Opening position contact
(limit switch)
Changeover contact
with momentary break
(limit switch)
Contactor
(closing contact)
Power cut-off of switch-
disconnector power with
automatic opening
Switch-disconnector
Control coil
(general symbol)
Thermal trip unit
Instantaneous overcurrent
release
Ammeter
Conductors with corded
cables (example two
conductors)
Connection of conductors
Terminal or clamp
Socket and plug
(female and male)
Resistor
(general symbol)
Resistor dependent on
the temperature
Motor
(general symbol)
Three-phase asynchro-
nous motor, with short-
circuited rotor (cage)
Current transformer
Current transformer with pri-
mary consisting of 4 passing
conductors and with wound
secondary, with socket
Closing contact
Voltmeter
Overcurrent release with
short adjustable time
delay characteristic
Overcurrent release with
short inverse adjustable
time delay characteristic
Overcurrent release with
long inverse adjustable
time delay characteristic
Overcurrent release for
earth fault with short
inverse time characteristic
Current relay for
unbalance between
phases
Residual current release
Relay for detecting lack
of phase in a three-phase
system
Relay for detecting
blocked rotor by means
of current measurement
Lamp, general symbol
Motor with excitation
in series
Brush
Wattmeter
Thermal effect
Electromagnetic effect
Timing
Mechanical connection
Manual mechanical
operating mechanism
(general case)
Rotary handle operating
mechanism
Pushbutton operating
mechanism
Key operating
mechanism
Cam operating
mechanism
Ground
(general symbol)
Converter separated
galvanically
Conductors in shielded
cable (example two
conductors)
Watt-hour meter