Allen-Bradley 140G-R Installation Instructions Manual page 33

Circuit diagram symbols (Standards IEC 60617 and CEI 3-14...3-26)
DIR 1000682R0002 Version 03
Shield (may be drawn in any
shape)
Time delay
Mechanical or electrical
connection
Manual mechanical control
(general case)
Rotating control
Pushbutton control
Equipotentiality
Galvanically separated
converter
Shielded cable conductors
(e.g. three conductors)
Conductors or stranded
cables (e.g. 3 conductors)
Conductor connections
Terminal or clamp
Socket and plug
(female and male)
Motor
(general symbol)
Current transformer
Voltage transformer
Winding of three-phase
transformer, star connection
Make contact
Break contact with
automatic breaking
Change-over contact
Make position contact
(limit contact)
Break position contact
(limit contact)
(33)
Change-over position con-
tact with momentary circuit
breaking (limit contact)
Power isolator with auto-
matic opening action
Switch-disconnector
Control coil
(general symbol)
Instantaneous
overcurrent relay
Overcurrent relay
with adjustable short
time-delay trip
Overcurrent relay with
inverse short time-delay
trip
Overcurrent relay
with inverse long time-delay
trip
Overcurrent relay
for earth fault with inverse
short
time-delay
Fuse
(general symbol)
Current sensor