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November 2008
6.3
ELECTRICAL SYMBOLS
ACTUATORS
Emergency controls
Pushbutton control
Rotary control
Pedal control
Proximity control
Lever control
Timed control
Mechanical/manual control
Key control
RESISTANCES
Resistance
Resistor
Potentiometer
Variable resistance
SIGNALS
Intermittent lamp
Whistle
Lamp
Buzzer
Siren
Bell
Horn
FUSES AND RELAYS
Horizontal fuse
Relay
Document 57.0009.0427
ACCUMULATORS
Battery
Thermocouple
Element
TERMINALS AND GROUNDS
Ring
Ground
Terminal
Ground to frame
Knot
Protection ground
Frame ground 2
COILS
Coil
Mechanical coupling coil
Winding
A/C coil
Coil with diode
Winding with diode
CONNECTORS
Connector
STATIC APPLICATIONS
Auto-transformer
Transformer
GTH-4017EX GTH-4514EX GTH-4013EX
Section 6 - Schemes
DYNAMIC
APPLICATIONS
Motor
M
Generator
G
M
As_3p_motor
3
ELECTRONIC PARTS
-
+
Rectifier
Light-emitting diode
Diode
Condenser
PUSHBUTTONS
Manual NC contact
Manual NO contact
NC mushroom-head
pushbutton
NO mushroom-head
pushbutton
NC level
NO level
Pushbutton with NC
return
Pushbutton with NO
return
NC tie-rod
NO tie-rod
SCHEMES
5
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