Simbolos Electricos Industriales
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Publicado: 24 de abril de 2012
INDUSTRIAL ELECTRICAL SYMBOLS . . .
LIMIT SWITCHES
NORMALLY
OPEN
CIRCUIT BREAKER
CIRCUIT BREAKER CIRCUIT BREAKER W/ THERMAL AND
WITH THERMAL OL WITH MAGNETIC OL
MAGNETIC OL
CIRCUITINTERRUPTER
DISCONNECT
NORMALLY
CLOSED
FOOT
SWITCHES
PRESSURE AND LIQUID TEMPERATUREFLOW SWITCH
VACUUM
LEVEL
ACTUATED
(AIR, WATER, ETC.)
SWITCHES
SWITCH
SWITCH
NO
HELD
CLOSEDSPEED (PLUGGING)
F
NO
NO
NO
NC
HELD
OPEN
NO
NC
NC
NC
NC
SYMBOLS FOR STATIC SWITCHING CONTROL DEVICES
ANTI-PLUG
F
STATIC SWITCHING CONTROL IS A METHOD OFSWITCHING
ELECTRICAL CIRCUITS WITHOUT USE OF CONTACTS,
PRIMARILY BY SOLID-STATE DEVICES. USE SYMBOLS
SHOWN IN TABLE AND ENCLOSE THEM IN A DIAMOND.
F
INPUT COIL
R
OUTPUT NO
LIMIT SWITCHNO
LIMIT SWITCH NC
R
SELECTOR
TWO-POSITION
J
THREE-POSITION
TWO-POSITION SELECTOR PUSHBUTTON
SELECTOR POSITION
K
K
J
K
J
A1
K
L
A1
X
X
A2
A2A
2
3
4
X
B
BUTTON
FREE DEPRESSED FREE DEPRESSED
A2
X
12
34
X-CONTACT CLOSED
A
BUTTON
CONTACTS
B
1
A1
A1
A2
J
L
X
X
X
X
X -CONTACT CLOSED
X-CONTACT CLOSED
PUSHBUTTONS
MOMENTARY CONTACT
SINGLE
CIRCUIT
DOUBLE
CIRCUIT
MUSHROOM
HEAD
NO AND NC
NO
NC
©1999 American Technical Publishers, Inc.MAINTAINED CONTACT
WOBBLE
STICK
TWO
SINGLE
CIRCUIT
ONE
DOUBLE
CIRCUIT
ILLUMINATED
R
. . . INDUSTRIAL ELECTRICAL SYMBOLS . . .
OVERLOAD RELAYS
CONTACTS
TIMED CONTACTS - CONTACT ACTIONRETARDED AFTER COIL IS:
INSTANT OPERATING
WITH BLOWOUT
NO
WITHOUT BLOWOUT
NC
NO
ENERGIZED
NC
NOTC
THERMAL
MAGNETIC
DE-ENERGIZED
NCTO
NOTO
NCTCSUPPLEMENTARY CONTACT SYMBOLS
SPST NO
SINGLE
BREAK
SPST NC
DOUBLE
BREAK
SINGLE
BREAK
SPDT
DOUBLE
BREAK
TERMS
SINGLE
BREAK
DOUBLE
BREAK
SPST
SINGLE-POLE,
SINGLE-THROW
SPDT...
LIMIT SWITCHES
NORMALLY
OPEN
CIRCUIT BREAKER
CIRCUIT BREAKER CIRCUIT BREAKER W/ THERMAL AND
WITH THERMAL OL WITH MAGNETIC OL
MAGNETIC OL
CIRCUITINTERRUPTER
DISCONNECT
NORMALLY
CLOSED
FOOT
SWITCHES
PRESSURE AND LIQUID TEMPERATUREFLOW SWITCH
VACUUM
LEVEL
ACTUATED
(AIR, WATER, ETC.)
SWITCHES
SWITCH
SWITCH
NO
HELD
CLOSEDSPEED (PLUGGING)
F
NO
NO
NO
NC
HELD
OPEN
NO
NC
NC
NC
NC
SYMBOLS FOR STATIC SWITCHING CONTROL DEVICES
ANTI-PLUG
F
STATIC SWITCHING CONTROL IS A METHOD OFSWITCHING
ELECTRICAL CIRCUITS WITHOUT USE OF CONTACTS,
PRIMARILY BY SOLID-STATE DEVICES. USE SYMBOLS
SHOWN IN TABLE AND ENCLOSE THEM IN A DIAMOND.
F
INPUT COIL
R
OUTPUT NO
LIMIT SWITCHNO
LIMIT SWITCH NC
R
SELECTOR
TWO-POSITION
J
THREE-POSITION
TWO-POSITION SELECTOR PUSHBUTTON
SELECTOR POSITION
K
K
J
K
J
A1
K
L
A1
X
X
A2
A2A
2
3
4
X
B
BUTTON
FREE DEPRESSED FREE DEPRESSED
A2
X
12
34
X-CONTACT CLOSED
A
BUTTON
CONTACTS
B
1
A1
A1
A2
J
L
X
X
X
X
X -CONTACT CLOSED
X-CONTACT CLOSED
PUSHBUTTONS
MOMENTARY CONTACT
SINGLE
CIRCUIT
DOUBLE
CIRCUIT
MUSHROOM
HEAD
NO AND NC
NO
NC
©1999 American Technical Publishers, Inc.MAINTAINED CONTACT
WOBBLE
STICK
TWO
SINGLE
CIRCUIT
ONE
DOUBLE
CIRCUIT
ILLUMINATED
R
. . . INDUSTRIAL ELECTRICAL SYMBOLS . . .
OVERLOAD RELAYS
CONTACTS
TIMED CONTACTS - CONTACT ACTIONRETARDED AFTER COIL IS:
INSTANT OPERATING
WITH BLOWOUT
NO
WITHOUT BLOWOUT
NC
NO
ENERGIZED
NC
NOTC
THERMAL
MAGNETIC
DE-ENERGIZED
NCTO
NOTO
NCTCSUPPLEMENTARY CONTACT SYMBOLS
SPST NO
SINGLE
BREAK
SPST NC
DOUBLE
BREAK
SINGLE
BREAK
SPDT
DOUBLE
BREAK
TERMS
SINGLE
BREAK
DOUBLE
BREAK
SPST
SINGLE-POLE,
SINGLE-THROW
SPDT...
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