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參數(shù)資料
| 型號： | AZH2021 |
| 元件分類： | 開關 |
| 英文描述： | SNAP ACTING/LIMIT SWITCH, SPDT, MOMENTARY, 5A, 30VDC, 11mm, PANEL MOUNT |
| 封裝： | ROHS COMPLIANT |
| 文件頁數(shù)： | 17/30頁 |
| 文件大小： | 1067K |
| 代理商： | AZH2021 |
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9
1. The ON/OFF circuit for the guidance
load may suffer contact damage due to
surges or inrushes when the power is
turned either ON or OFF.
Consequently, insertion of a protective
circuit as per the following diagram is
recommended, in order to protect the
contacts.
2. Do not connect either irregular poles
or power sources to a switch contact.
Power connection examples (irregular
pole connection)
3. Avoid circuits where power may find
a way between the contact points (as
this may cause welding.)
PROTECTION CIRCUIT
Circuit
Cautions for use
(1) r must be a minimum
of 10
;
(2) When using AC power:
Q Impossible when R
impedance is large.
W Possible when c, r
impedance is suffi-
ciently small com-
pared with R imped-
ance.
Can be used with both
AC and DC as appro-
priate.
r ~ R
C: 0.1
F
Limit switch contact
(1) Dedicated DC use.
(2) AC is impossible
Limit switch contact
Can be used with both
AC and DC as appro-
priate.
Limit switch contact
c
r
R
c
r
R
Diode
R
Varistor
ZNR
R
Example of unsuitable power connec-
tion (abnormal power connection)
NO GOOD
Load
L
Load
Load connected to same pole
GOOD
Load
L
Load
L
AC
DC
Risk of AC and DC being mixed.
NO GOOD
Load
L
4. Using electronic switch circuits (low
power, low current)
1) Bouncing and chattering are gener-
ated due to collision between the con-
tacts when the limit switch is switching
between them, and this sometimes
causes such problems as white noises
and error pulses in both the electronic
circuit and the reverberation equip-
ment.
2) If the generation of bouncing and
chattering becomes a problem, it is
necessary to consider installing a CR
circuit or other absorption circuit given
the circuit design.
3) This is particularly necessary when
high contact reliability is needed, and
is unsuitable for silver contact switch-
es. Switches with gold contacts pos-
sess excellent performance.
L
100V
200V
NO GOOD
~
CAUTIONS FOR USE
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AZH2024 | 制造商:Panasonic Electric Works 功能描述: |
| AZH2031 | 制造商:PANASONIC ELECTRIC WORKS ACSD 功能描述:Limit Switch, Panel Mount, Push Plunger, Die Cast, Screw Terminal, Standard |
| AZH2032 | 制造商:Panasonic Electric Works 功能描述: |
| AZH2032CEJ | 制造商:Panasonic Industrial Company 功能描述: |
| AZH2033 | 功能描述:SWITCH SNAP ACTION SPDT 5A 125V 制造商:panasonic industrial automation sales 系列:AZH 包裝:散裝 零件狀態(tài):有效 電路:SPDT 開關功能:開-瞬時 額定電流:5A（AC/DC） 額定電壓 - AC:125V 額定電壓 - DC:30V 致動器類型:交叉滾輪柱塞 安裝類型:面板安裝 端子類型:螺絲端子 侵入防護:IP67 - 防塵，防水 特性:- 操作力，扭矩:1200gf 釋放力:500gf 預行程:0.060"（1.5mm） 差動行程:0.004"（0.1mm） 超行程:0.118"（3.0mm） 工作位置:0.922"（23.4mm） 機械壽命:10，000，000 次循環(huán) 電氣壽命:100，000 次循環(huán) 工作溫度:-10°C ~ 80°C 標準包裝:1 |
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