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参数资料
| 型号： | AZ30259 |
| 元件分类： | 开关 |
| 英文描述： | SNAP ACTING/LIMIT SWITCH, SPDT, MOMENTARY, 4A, 30VDC, 5.5mm, PANEL MOUNT |
| 封装： | ROHS COMPLIANT |
| 文件页数： | 7/20页 |
| 文件大小： | 603K |
| 代理商： | AZ30259 |
CAUTIONS FOR USE
10
1) Do not attempt to physically alter
any part of the switch itself, such as
the actuator, or switch attachment
vent, as this may cause alterations to
both characteristics and performance,
and damage the insulation.
2) Do not pour any lubricants such as
oil or grease onto the moving parts of
the actuator, as there is a possibility
that this will cause a malfunction due
to seepage into the inside, and impair
the motion. Silicon-based grease in
particular affects the contact points
badly.
3) If the switches are not to be used for
an extended period of time, their con-
tact reliability may be reduced due to
oxidation of the contact points.
Because accidents may result from the
impaired conductivity, always imple-
ment a check beforehand.
4) Prolonged continuous use of the
switch hastens deterioration of the
parts (especially the seal rubber) and
may cause a malfunction in the
release. For this reason, always imple-
ment a check beforehand.
5) Usage in the vicinity of either the
switch operating position (O.P.) or the
release position (R.P.) results in unsta-
ble contacts. If using the NC contact
point, set the actuator to return to the
free position (F.P.) Also, is using the
NO contact point, hold the ratings val-
ues down to 70 to 100% for the over-
travel (O.T.)
6) If the actuator is forced beyond its
total travel (T.T.), the internal mecha-
nism may be damaged. Always use
within the T.T.
7) Do not apply unreasonable force to
the actuator, as this may result in dam-
age and impaired movement.
8) The switch, if dropped, may break
due to excessive vibration and impact.
Therefore, please use extra caution
when transporting and installing.
9) Condensation inside the switch may
occur if there are rapid ambient tem-
perature changes when the switch is in
a high temperature and humidity.
Since this occurs easily during marine
transport, be extra cautious of what the
environment will be when shipping.
Condensation is the phenomenon in
which water vapor condenses into
switch-adhering water droplets when
the temperature rapidly drops in a
high-temperature, high-humidity
atmosphere or when the switch is
quickly moved from a low temperature
location to a place of high temperature
and high humidity. It is the cause of
insulation deterioration and of rust.
10) Be careful of freezing in tempera-
tures below 0°C. Freezing is the phe-
nomenon in which moisture adhering
to the switch from condensation or
when in unusually high-humidity envi-
ronments freezes onto the switch
when the temperature drops below the
freezing point. Please extra caution
because freezing can lock moving
parts, cause operational delays, or
interfere with conductivity when there
is ice between the contacts.
11) In low-temperature, low-humidity
conditions, plastic becomes brittle and
the rubber and grease harden, which
may lead to malfunction.
12) Long term storage (including dur-
ing transport) in high temperature or
high humidity environments or where
the atmosphere contains organic or
sulfide gas, will cause sulfide or oxide
membrane to form on the contact sur-
faces. This in turn will cause unstable
or failed contacting that may lead to
functional malfunction. Please verify
the atmosphere when storing and
transporting.
13) Packaging should be designed to
reduce as much as possible the poten-
tial influence of humidity, organic gas,
and sulfide gas, etc.
14) Please avoid sudden changes in
temperature. This is a cause of switch
deformation and encourages the seal
structure to breathe, which may lead to
seal failure and operational malfunc-
tion.
15) If installing a thermoplastic resin
case, the use of a spring washer tight-
ened directly against the case will
cause the case to collapse and
become damaged. Therefore, please
add a flat washer before tightening.
Also, be careful not to install if the
case is being twisted.
16) For the purpose of improving quali-
ty, materials and internal structure may
be changed without notice.
17) When used outdoors (in places
where there is exposure to direct sun-
light or rain such as in multistory car
parks) or in ambient temperature envi-
ronments where ozone is generated,
the influence of these environments
may cause deterioration of the rubber
material. Please consult us if you
intend to use a switch in such environ-
ments.
CAUTIONS FOR USE
PRECAUTIONS RELATING TO THE INSTALLATION ENVIRONMENT
Avoid using in silicon environments
such as organic silicon-based rubber,
solvents, sealants, oil, grease, or
wiring.
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