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参数资料
| 型号： | AZ7430 |
| 元件分类： | 开关 |
| 英文描述： | SNAP ACTING/LIMIT SWITCH, DPDT, MOMENTARY, 0.4A, 115VDC, 8.5mm, PANEL MOUNT |
| 封装： | ROHS COMPLIANT |
| 文件页数： | 6/20页 |
| 文件大小： | 692K |
| 代理商： | AZ7430 |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| AZ743-2A-110D | 制造商:ZETTLER 制造商全称:ZETTLER Electronics 功能描述:10 AMP DPDT MINIATURE POWER RELAY |
| AZ743-2A-110DE | 制造商:American ZETTLER Inc 功能描述:AZ743 Series 10 A DPST 110 VDC PCB Mount Sealed Miniature Power Relay 制造商:American ZETTLER Inc 功能描述:RELAY |
| AZ743-2A-12D | 制造商:ZETTLER 制造商全称:ZETTLER Electronics 功能描述:10 AMP DPDT MINIATURE POWER RELAY |
| AZ743-2A-12DE | 制造商:American ZETTLER Inc 功能描述:AZ743 Series 10 A DPST 12 VDC PCB Mount Sealed Miniature Power Relay 制造商:American ZETTLER Inc 功能描述:SERIES AZ743 制造商:AMERICAN ZETTLER 功能描述:AZ743 Series 10 A DPST 12 VDC PCB Mount Sealed Miniature Power Relay |
| AZ743-2A-12DEF | 制造商:American ZETTLER Inc 功能描述: |
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