Electromechanical operating device, general symbol, relay coil, general symbol
or or
× device code letter
Operating device with special features, general symbol
Electromechanical operating device with On-delay
Electromechanical device with Off-delay
Electromechanical device with On- and Off-delay
Electromechanical device of a thermal relay
Contacts
Make contact
or
or
Break contact
or
Changeover contact with interruption
or
Early-make contact of a contact assembly
Late-break contact of a contact assembly
Make contact, delayed when closing
or
Break contact, delayed when reclosing
or
Control devices
Push-button (not stay-put)
Spring-return switch with break contact, manually operated by pushing, e.g. push-button
Spring-return switch with make and break contacts, manually operated by pushing
Spring-return switch with latching position and one make contact, manually operated by pushing
Spring-return switch with latching position and one break contact, manually operated by striking (e.g. mushroom button)
Position switch (make contact)
Limit switch (make contact)
Position switch (break contact)
Limit switch (break contact)
Spring-return switch with make contact, mechanically operated, make contact closed
Spring-return switch with break contact, mechanically operated, break contact open
Proximity switch (break contact), actuated by the proximity of iron
Proximity switch, inductive, make contact
Proximity switch, block diagram
Under-pressure relay, make contact
or
Pressure switch, break contact
or
Float switch, make contact
Float switch, break contact
Switchgear
Contactor (make contact)
× code letter
3 pole contactor with bimetal relay (3 thermal elements)
× code letter
3 pole switch-disconnector
3 pole circuit-breaker
3 pole breaker with switch mechanism with three thermoelectric overcurrent releases, three electromagnetic overcurrent releases, motor-protective circuit-breaker
Fuse, general symbol
or or
Transformers, current transformers
Transformers with two windings
or
or
Autotransformer
or
or
Current transformer
or
Machines
Generator
or
Motor, general symbol
or
DC motor, general symbol
AC motor, general symbol
Three-phase asynchronous motor with squirrel-cage rotor
Three-phase asynchronous motor with slip-ring rotor
Semiconductor components
Static input
Static output
Static input with negation
Static output with negation
Dynamic input, change of status from 0 to 1 (L/H)
Dynamic input with negation, change of status from 1 to 0 (H/L)
AND gate, general symbol
OR gate, general symbol
NOT gate, inverter
AND with negated output, NAND
OR with negated output, NOR
Exclusive OR gate, general symbol
RS flip-flop
Monostable gate, cannot be triggered during the output pulse, general symbol
Delay, variable with indication of delay values
Semiconductor diode, general symbol
Limiting diode Zener diode
Light-emitting diode (LED), general symbol
Bi-directional diode, diac
Thyristor, general symbol
PNP transistor
or
NPN transistor, in which the collector is connected to the enclosure
moeller.net
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
or 
Top