Version 24DM
Diagrams, exploded views and replacement parts 6-- 5
LETTER
IDENTIFICATION OF THE COMPONENT
EXAMPLESTYPE OF COMPONENT
Rotating generators
Crystal oscillators
G
G
Generators, feeders
Accumulator battery
Rotating or static frequen-
cy converter
Power feeder
GB
GF
GS
H
Signaling Devices
Buzzer
Optical signal, indicator
light device
HA
HL
J
K Relays, Contactors
Instant all or nothing relays
or instant contactors
Bistable relays or interde-
pendent contactors
(All or nothing contactors
with mechanical contact or
permanent magnet etc.)
Contactors
Polarised relays
Reed relays
All or nothing timed relays
(timers)
KA
KL
KM
KP
KR
KT
L Inductors, reactors
Inductor
Stop coil
Reactor
L
M Motors M
N Analogue intgrated circuits
Operational amplifiers
Hybrid analog/digital ap-
pliances
N
P
Measurement equipment, test
devices
Indicator , recorder and in-
tegrator measurement de-
vices
Signal generators
P
Q
Power circuit switching ap-
pliances
Automatic switch
Engine saver switch
Knife switch
QF
QM
QS
R Resistors
Fixed or variable resistor
(rheostat)
R
S Command or control devices
Selector or switch
Button (including electronic
proximity switch)
Numerical all or nothing
sensors (single step) of
mechanical and electronic
type:
-- Liquid level sensor
--Pressure sensor
Position sensor (including
proximity)
--Rotation sensor
--Temperature probe
SA
SB
SL
SP
SQ
SR
ST
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