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参数资料
| 型号： | A3CA-501B |
| 厂商： | Omron Electronics Inc-IA Div |
| 文件页数： | 12/14页 |
| 文件大小： | 0K |
| 描述： | NON-LIGHTED PUSHBUTTON |
| 标准包装： | 1 |
| 系列： | A3C |
| 开关类型： | 按钮 |
| 形状： | 方形 |
| 颜色： | 黑 |
| 发光： | 不发光 |
| 适用于相关产品： | A3C 系列 |
| 安装类型： | 卡入式 |
| 尺寸： | 11.80mm L x 11.80mm W x 3.50mm H |
| 配用： | A3CA-90A0-Y-ND - SWITCH PUSHBUTTON SPDT 1A 125V A3CA-90A0-R-ND - SWITCH PUSHBUTTON SPDT 1A 125V A3CA-90A0-G-ND - SWITCH PUSHBUTTON SPDT 1A 125V |
| 其它名称： | A3CA501B A3CA501BNC |
A3C
Safety Precautions
Refer to Safety Precautions for All Pushbutton Switches .
CAUTION
Do not apply a voltage higher than the maximum
rated operating voltage between the lamp terminals,
as there is a risk that the incandescent lamp or LED
lamp will be damaged, and the Pushbutton will be
ejected.
When replacing the incandescent lamp, first turn OFF
the power supply, and then wait 10 minutes before
performing replacement, as the lamp is still hot
immediately after the power is turned OFF, so there
is a risk of burns.
Precautions for Correct Use
Mounting
Using Microloads
? Using a standard load switch for opening and closing a microload
circuit may cause wear on the contacts. Use the switch within the
operating range. (Refer to the diagram below.) Even when using
microload models within the operating range shown below, if inrush
current occurs when the contact is opened or closed, it may cause
the contact surface to become rough, and so decrease life
expectancy. Therefore, insert a contact protection circuit where
necessary. The minimum applicable load is the N-level reference
value. This value indicates the malfunction reference level for the
reliability level of 60% ( λ 60) (conforming to JIS C5003). The
equation, λ 60 = 0.5 x 10 ? 6 /times indicates that the estimated
malfunction rate is less than 1/2,000,000 with a reliability level of
60%.
? To prevent electric shock or a fire, always make sure that the power
is turned OFF before mounting, removing, or wiring the Switch, or
30
0.15mA
26mA
100mA
performing maintenance.
? Do not tighten the mounting ring excessively using pliers or a similar
24
tool. Excessive tightening may damage the mounting ring.
(Tightening torque: 0.20 to 0.39 N·m {20 gf to 40 gf})
Wiring
Microload
area
Standard
load area
? When wiring, use wires of a size appropriate for the applied voltage
and carry current. Perform soldering correctly under the conditions
given below. Using the Switch with the wires soldered incorrectly
12
Invalid
area
may cause the terminals to become abnormally hot and cause a
fire.
5
1mA
100mA 150mA
1. Soldering iron tip temperature: 350 ° C max. within 3 seconds.
2. Dip soldering: At 350 ° C within 3 seconds.
0
0.1
1
10
100 1,000
Current (mA)
Wait for one minute after soldering before exerting any external
force on the solder.
? Use a non-corrosive rosin liquid for the flux.
? Perform wiring so that the wire sheaths do not come into contact
with the Switch. If this is unavoidable, use wires that can withstand
LED
? Resistance to limit the LED current is provided internally and so an
external resistance is not required.
temperatures of 100 ° C min.
? After wiring to the Switch has been completed, ensure an
appropriate insulation distance.
Operating Environment
? Do not use in locations that are subject to dust, oil, or metal filings
Rated voltage
5 VDC
12 VDC
24 VDC
Internal limiting resistance
33 Ω
270 Ω
1,600 Ω
as these may penetrate the interior of the Switch and cause
malfunction.
12
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