Langir 25mm按钮开关

Langir电气提供高品质按钮开关，适配标准25mm面板开孔包括 Anti-Vandal Switch, 压电开关、 以及 电容式开关. 。这款面板安装开关兼具防破坏和防溅功能，结构坚固耐用。Langir按钮开关是您拓展本地市场的最佳合作伙伴.

Langir按钮开关采用抗氧化、耐腐蚀的不锈钢制造。具备IP67、IP68防水等级，可承受暴雨、溅水等环境而不受损。您一定会喜欢它.

开关与LED采用分离式设计。配置为1常开1常闭或2常开2常闭，LED可常亮或仅在开关开启时点亮，取决于接线方式。我们可根据您的意图提供接线图.

L25系列自锁型按钮开关适用于汽车、摩托车、船舶、计算机、LED及电子项目等多种场景。可用作卡车货箱、船舶装饰、帆船桅杆、汽车底盘和摩托车的辅助LED氛围灯电源开关.

Langir按钮开关已通过ROHS、REACH、定制温度测试等多种检测.

欢迎访问我们的网站并立即联系我们。您将获得舒适快捷的回复.

25mm按钮开关——完整常见问题指南

本文详细解读25mm按钮开关的完整信息。每个可能的问题都得到深入探讨，部分问题通过图表、图片和视频进行说明，助您从基础到高级全面理解产品.

1. 什么是25mm按钮开关？

25mm面板开孔按钮开关在全球范围内非常普遍。专门用于重型应用和电气电路.

25mm按钮开关存在多种变体、形状、设计和颜色.

您可根据使用目的和安装应用类型，对每个25mm按钮开关进行差异化接线.

这些按钮开关设计优雅，触感出色.

2. 25mm按钮开关有哪些类型？

市场上存在多种类型的25mm按钮开关.

以下展示部分知名类型的25mm按钮开关：

Backlit LED 25mm LED switch

The backlit LED 25mm push button switch is also available with other panel cut-out sizes, such as 16mm, 19mm, and 22mm push button switches. The LED is available in various colors.

Backlit LED 25mm push button switch

Ultra-short 25mm push button switch

The ultra-short 25mm push button switch is of momentary type. Waterproof push button It is protected by an IP rating. It features a short body and low profile, making it suitable for use on any circuit board.

Ultra-short 25mm push button switch

Vandal-resistant 25mm push button switch

This vandal-resistant push button switch has a flat head and is constructed from stainless steel. It is available in both latching and momentary versions and can also be used as either a normally open (NO) or normally closed (NC) push button. It is primarily used for cabinets.

Vandal-resistant 25mm push button switch

Capacitive 25mm push button switch

This capacitive 25mm push button switch is also waterproof and protected by IP ratings IP68 and IP69K, meaning it can withstand high-pressure water jets. It can be installed in many outdoor heavy-duty applications.

25mm latching push button switch

Piezo 25mm push button switch

The piezo 25mm push button switch is a piezoelectric switch. It is available with dot illumination and ring illumination, but not full illumination. Its wiring can extend up to 30cm.

Piezo 25mm push button switch

3. What materials are used in a 25mm push button switch?

Different types of 25mm switches use different materials. These push button switches are made from high-grade materials to ensure optimal performance in heavy-duty applications.

The most commonly used materials in the manufacturing of 25mm push buttons are stainless steel 304 & 316L and anodized aluminum.

Metal materials help create a smooth surface, and minor scratches are not easily visible. However, other materials are also available.

4. What are the types of anti-vandal 25mm push button switches?

The 25mm vandal-resistant switch is available with multiple options. Some typical types of 25mm anti-vandal push button switches are:

• Momentary anti-vandal push button switch (1NO1NC)
• Momentary anti-vandal push button switch (2NO2NC)
• Latching anti-vandal push button switch (1NO1NC)
• Latching anti-vandal push button switch (2NO2NC)
• Illuminated/non-illuminated anti-vandal push button switch

An illuminated anti-vandal push button switch is available with dot and ring illumination. The LED is available in red, green, white, orange, blue, and yellow colors.

The LED base voltage ranges from 3.3V to 220V, with an approximate useful life of 40,000 hours. These anti-vandal 25mm push button switches are protected to IP65 and IK10 ratings.

5. Explain the dimensions of the anti-vandal 25mm push button switch.

The dimensions of anti-vandal 25mm push button switches vary according to their type and options. Examples of anti-vandal push button switch dimensions for 25mm are provided below:

 Momentary anti-vandal push button switch:

Dimensions of a momentary anti-vandal push button switch

Latching anti-vandal push button switch:

Dimensions of a 25mm latching anti-vandal push button switch

Ultra-short anti-vandal push button switch:

Dimensions of an ultra-short anti-vandal push button switch

6. How to wire the circuit of an anti-vandal 25mm push button switch?

Wiring the electrical circuit of a vandal-resistant 25mm push button switch is not very complicated. The basic steps for wiring all types of anti-vandal push button switches are the same.

You just need to follow some simple steps, which are explained below:

The backside of an anti-vandal 25mm push button switch

This shows the screw terminals on the back of the vandal-resistant push button switch. This is an illuminated push button switch with a blue LED.

Screw terminals of an anti-vandal push button switch

You need to strip the wire leads and insert them into these screw terminals according to their designated points.

Connecting wires to screw terminals

There are (+) and (-) signs on two opposite screw terminals. These terminals are for powering the LED. Simply connect the wires correctly to these opposite terminals.

The other two terminals have no signs or labels. Those screw terminals are for the switch. You can connect the other two wires to those terminals and tighten all four screws.

Now your anti-vandal push button switch is wired. You can mount it on a board or any application and turn on the main switch to start the electrical flow.

7. What are the types of piezo 25mm push button switches?

Piezo switches are typically suitable for harsh environments. They can be used underwater at depths up to 40m.

The types of piezo 25mm push button switches are as follows:

• Momentary NO piezo push button switch
• Momentary NC piezo push button switch
• Latching piezo push button switch
• Non-illuminated piezo push button switch
• Dot-illuminated piezo push button switch
• Ring-illuminated piezo push button switch

Piezo push button switches are also available in plastic, but these are not available in 25mm cut-out sizes due to lower voltage supply requirements.

8. Explain the dimensions of the piezo 25mm push button switch.

There are three main types of dimensions for the 25mm piezo push button switch. Further variations are categorized within these three types based on circuit, connection, or usage requirements.

The dimensions of the three main types of 25mm piezo push button switches are:

Non-illuminated piezo push button switch:

Dimensions of a non-illuminated piezo push button switch

Dot-illuminated piezo push button switch:

Dimensions of a dot-illuminated piezo 25mm push button switch

Ring-illuminated piezo push button switch:

Dimensions of a ring-illuminated piezo 25mm push button switch

9. How to wire the circuit of a 25mm piezo push button switch?

Wiring the piezo 25mm push button switch is also easier like an anti-vandal push button switch.

Piezo push button switch is manufactured as one component, that is why there are no separate screw terminals to insert the wires for connection like an anti-vandal push button switch.

Figure 15 Backside of a piezo push button switch

As you can see in figure 15, there are no even signs or indicators to identify the correct wires. But you could find the wiring instructions in the catalogue.

You can get a better understanding from the following photo that how to connect the different wires of the 25mm piezo push button switch into the circuit:

10. What are the types of capacitive 25mm push button switch?

The capacitive 25mm push button switch has two different output options; NPN (Negative, Positive, Negative) and PNP (Positive, Negative, Positive).

Although both NPN and PNP transistors work almost the same but yet there is some difference between them.

NPN is normally used in input at industrial places because it produces a positive signal in the electrical circuit

While PNP, during the “on” state, generates the negative signals and mostly installed at non-industrial applications.

11. Explain the dimensions of the capacitive 25mm push button switch

You can see the dimensions of the capacitive 25mm push button switch in detail in the below diagram:

Dimensions of a capacitive 25mm push button switch

12. How to wire the circuit of a capacitive 25mm push button switch?

As you know that the capacitive push button switch works with sensors in it. It works with the finger touch or the touch of any part of human body.

This video will guide you on how it works and how to connect it with the electrical circuit. This tutorial video is made by using the sensor board as a push button switch and connecting it to the electrical circuit through wires.

The same sensor board is used in the 25mm capacitive push button switch and works in the same way. You can watch the below tutorial video regarding that:

13. Where the 25mm push button switch mostly used?

The 25mm push button switch is very common in use at different domestic and commercial places.

Anti-vandal 25mm push button switch is mainly used for heavy-duty applications or at industrial places.

Other common places for the anti-vandal push button switch are elevators, kiosks/vending, railway stations, yacht controls, defense, bus stations, parking, etc.

The most common use of the 25mm piezo push button switch is in the bathroom, kitchen, bike system, parking, access control, ATM, electromedicine, etc.

25mm capacitive push button switch is sensitive and not suitable under water.

A capacitive push button switch is used on applications where repetitive action is required by the operator.

Because capacitive push button switch does not require any pressure to push the button, so it is suitable on these kinds of applications to privilege the operator.

14. Can a 25mm push button switch be used outdoor?

Yes, a 25mm push button switch can be used outdoor.

Vandal-resistant and piezo 25mm push button switches are protected with an IP rating.

This means these push button switches can be used frequently in harsh weather.

A high IP rating will protect the push button switch from moisture, dust, or any other external objects.

25mm push button switches are also heat resistant as these switches are made to handle high voltage. That is why these push button switches can also survive in the direct sunshine.

15. Is the 25mm push button switch waterproof?

All types of 25mm push button switches are protected with an IP rating.

Anti-vandal 25mm push button switches are commonly used at outdoor places, especially at yards or ships.

So, these push button switches are highly protected with an IP rating to make them waterproof and to resist high-pressure water jets.

25mm piezo push button switches are also waterproof because they are used in the bathroom and other similar places.

Piezo push button switch is made as one single component, that helps to protect it from any kind of external object or moisture.

Capacitive push button switches use sensors and require high protection against moisture. So, IP rating protects them from any kind of moisture.

16. Can you make a customized 25mm push button switch?

Yes, you can place the order for your required 25mm push button switch.

The company will manufacture the push button switch according to your requirements.

There is wide flexibility in manufacturing the 25mm push button switch of your own choice.

You can simply send the drawing or describe the usage to the company representative.

The engineers will observe the technicalities in that design and approve if it is practical.

Then the company will manufacture it even at large quantity if you want.

You can choose your required material, color, or circuit as per your usage requirements.

The company will deliver you your desired product in a reasonable time frame and affordable price.

17. What kind of certifications and tests are followed in the manufacturing of a 25mm push button switch?

25mm push button switch is used for heavy-duty. So, it requires high protection for the user as well as for the manufacturers.

While manufacturing the 25mm push button switch, it goes through several tests and quality checks.

RoHS and REACH are the main certifications that are followed while manufacturing the 25mm push button switch.

There are some other temperatures and quality tests that are used to make sure the best quality and high protection for the end-users.

18. What is RoHS certification of a 25mm push button switch?

RoHS (Restriction of Hazardous Substances) is the European Union’s Directive 2002/95/EC based product level compliance.

The legislation of this is compliance protects the manufacturing of electronics-related products and makes it safe for every user.

25mm push button switch is manufactured with RoHS compliance.

RoHS compliance makes sure that consumer’s safety is a priority at every stage of the manufacturing procedure.

RoHS compliance certification not only makes the 25mm push button switch safer for end-users at all stages but also builds the trust of the users on the RoHS certified companies.

19. What is REACH certification of a 25mm push button?

REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals) is the European Union’s regulation with aim of protecting the people from the harms of chemicals.

他们的目标是为制造商和用户创造一个安全可靠的环境。.

为确保25毫米按钮开关的制造和使用安全无虞，产品已根据REACH标准进行测试并获得认证。.

REACH认证确保25毫米按钮开关已通过REACH测试。.

因此，您可以放心使用这款通过REACH认证的25毫米按钮开关。.

20. 关于25毫米按钮开关，REACH涉及多少种物质？

REACH物质能防止电子产品等产品接触有毒化学物质，使其更加安全。.

然而，化学物质可通过几种方式进入人体和环境。.

物质在消费者使用过程中可能释放颗粒，例如进入空气中被吸入或摄入。.

REACH物质清单内容广泛，其中包含针对25毫米按钮开关及其他产品的多种受限物质。.

REACH物质清单会不时更新。.

您可以从ECHA官方网站获取最新的REACH物质清单，以了解与25毫米按钮开关相关的受限物质。.

21. 25毫米按钮开关的保修期是多久？

通常，每家公司会根据产品的使用耐久性为不同产品提供不同的保修期。.

平均而言，25毫米按钮开关的保修期为365天。.

在此时间范围内，公司承诺若25毫米按钮开关因制造缺陷损坏，将予以更换。.

公司对保修附带一些条款和条件。.

如果您不遵守公司的条款和条件，公司可能不接受您的索赔，或您的保修甚至在有效期内也可能失效。.

且保修期无法延长或续期。.

22. 贵公司是否有质量检查程序？

是的，在制造25毫米按钮开关过程中会进行多项质量检查。.

电子相关产品的质量检查标准非常高。.

众所周知，电气产品可能造成高额损失或人身伤害。.

因此，每家公司都希望确保用户的高度安全。.

他们在制造过程中遵循国际和本地监管机构的安全措施。.

25毫米按钮开关需通过多项安全测试，以确保100%安全性和满意度。.

23. 25毫米按钮开关的最大容量是多少？

25毫米按钮开关的最大电气容量因其类型而异。.

25毫米防破坏按钮开关的最大开关额定值为Ith：5A Ui：250VAC，接触电阻： <50mΩ，绝缘电阻： >1000mΩ，介电强度：2000VAC。.

超短型25毫米按钮开关的最大电气额定值为50mA & 24VDC，接触电阻：最大50mΩ，绝缘电阻：最小1000mΩ，介电强度：2000VAC。.

25毫米压电按钮开关的标准额定值在常开功能下为200mA 24 VAC/DC，在常闭功能下最大为600mA 24 VAC/DC。开关在ON位置的最大电阻为10Ω，在OFF位置的最大电阻为5Ω。点状照明的LED电压为10mA，环形照明的LED电压为20mA。.

25毫米电容式按钮开关的最大电流/电压额定值为200 mA 24 VDC，最大电源电压为24 VDC。非照明型的功耗为7mA，照明型的功耗为25 mA。.

24. 25毫米按钮开关是否耐候？

是的，25毫米按钮开关具有耐候性。大多数25毫米按钮开关用于户外，尤其是各类防破坏按钮开关。.

它们几乎能在各种天气条件下使用。作为高电压容量开关，25毫米防破坏按钮开关还能耐高达55°C的高温。.

而25毫米压电按钮开关可耐高达167°F的高温。因此，25毫米按钮开关对恶劣天气具有很强的抵抗能力。.

25. 25毫米按钮开关的IK防护是什么？

IK防护代表不同电气产品的冲击防护等级（IK）。.

IK等级是一项国际标准，用于确定各种电气产品的抵抗水平。.

IK等级为外壳提供不同的防护级别，以保护不同的电气产品或设备免受机械冲击。.

26. IK等级防护对所有电子产品都重要吗？

是的，IK等级对所有电子产品都很重要。.

因为要提高电子产品的坚固性并确保其防尘防水，制造商必须制造具有更高IP和IK合规性的外壳。.

任何固体/湿气侵入分子进入系统都可能损坏电气设备。.

为避免对应用造成此类损害，或在特定情况下保持其效率，电气产品获得IP和IK等级保护至关重要。.

IK等级防护对于计划安装在户外的电气产品尤为重要。.

27. 谁制定了IK防护标准？

IK防护标准最初于1995年根据欧洲标准BS EN 50102制定。.

随后于1998年进行了修订。.

当前的IK等级标准和规范于2002年更新，编号为EN 62262。.

这等同于国际标准IEC 62262（2002）。.

这是全球范围内用于划分电气设备外壳对外部机械冲击防护等级的数字分类系统。.

它提供了一种确定外壳保护其内部内容物免受外部影响能力的方法。.

28. 贵公司在制造25毫米按钮开关时是否遵循IK等级？

对任何电气设备制造公司而言，客户安全是首要任务。.

公司在制造如25毫米按钮开关等高电压电气产品时，会采用额外的防护标准。.

公司不仅遵循国家和国际监管机构的质量标准，还会制定并遵循自身的防护标准。.

在制造25毫米按钮开关时遵循IK等级标准非常重要，公司会严格遵守。.

遵循IK防护标准不仅对保护消费者是必要的，还能建立客户对公司的信任。.

29. 有哪些不同的IK等级？

IK等级图表展示了不同防护级别对应的不同IK等级。.

IK等级编号从0到10，其中0表示最低/无防护，10表示最高防护等级。.

安装按钮开关前，您需自行评估风险因素。.

若风险较低，可选择IK01至IK07之间的IK等级。.

对于高风险区域，可选择IK08及以上的IK等级。.

为便于理解，您可参考下方IK等级对照表：

25mm按钮开关IK等级对照表

30. 25mm按钮开关是否具备IK防护等级？

是的，25mm按钮开关具备IK防护等级。您可根据使用目的或安装位置选择不同IK等级的25mm按钮开关。.

若您计划安装25mm按钮开关的区域不存在人为破坏风险，则无需选择具备IK等级的按钮开关。.

但若认为人为破坏风险较高或中等，则可据此为25mm按钮选择相应的IK等级。.

您也可借助IK等级对照表为25mm按钮开关选择合适的IK等级。.

31. 哪些IK等级具备防破坏性能？

IK08以上等级具备防破坏性能。最高防破坏等级为IK10。IK10对重物冲击具有极强防护能力。.

该等级可保护25mm按钮开关承受高达20焦耳的冲击能量。.

IK10等级可防护高达5kg物体的冲击。例如，当5kg重物从距受冲击表面400mm高度坠落时，该等级能有效保护按钮开关。.

若25mm按钮开关安装于学校、监狱、公园、地铁站、重工业区等公共场所，建议采用此类高强度IK防护等级。.

32. 是否有监管机构规范冲击防护标准？

IK等级标准受欧洲标准及IEC标准监管。.

这些机构深入监督IK等级标准并确保其在市场中的实施。.

随着用户行为变化、技术升级以及用户保护政策的进步，IK等级标准的实施要求会随时间推移而调整。.

监管机构会通过定期必要的修订来更新IK等级标准。.

这些监管机构的主要目标是通过升级IK等级标准实现用户保护最大化。.

33. 25mm按钮开关的安装是否存在国际或本地标准？

多个监管机构为电气设备和产品提供指导方针与标准。.

目前尚无针对25mm按钮开关安装的专项指导方针或标准。.

IEC和NEMA等国际机构为25mm按钮开关的封装与密封提供了相关标准。.

但您可遵循通用说明并采用标准作业程序（SOP）来安装25mm按钮开关。.

34. 安装25mm按钮开关时必须遵循哪些安全预防措施？

安装25mm按钮开关时，必须遵守安全预防措施并采用规范作业程序。.

否则可能导致财产损失或人身伤害。.

安装25mm按钮开关的基本安全预防措施包括：

• 开始安装前关闭主电源
• 若部件带电，请勿触碰裸露电线或任何电气部件
• 始终根据按钮开关的额定容量供应电压
• 根据应用电压容量选用合适规格的电线，避免使用高于或低于应用容量的电线
• 安装时使用绝缘手套及专业工具
• 勿使用劣质电线或电气产品，以免损坏电路

35. 25mm瞬时按钮开关如何工作？

25mm瞬时按钮开关（又称非自锁按钮开关）仅在按压按钮时工作。.

按压按钮时，它会使电路产生临时性改变。.

松开按钮后，借助弹簧作用按钮将恢复原始位置。.

电路也随之恢复原始状态。.

25mm瞬时按钮开关有两种状态：常开型与常闭型。.

‘常开型’ 瞬时按钮开关 属于NO（常开）开关。.

这意味着当按下按钮时，电路接通并开始电流传输。.

从而使设备启动工作。.

松开按钮将断开电路。.

其电气符号如下所示：

常开型25mm按钮开关电气符号

‘常闭型’瞬时按钮开关属于NC（常闭）开关。.

在默认状态下，电路保持接通，设备持续运行。.

按下按钮将断开电路。.

设备或应用随即停止工作。.

松开按钮后，电路将重新接通。.

常闭型瞬时按钮开关在市场中应用较少。.

其电气符号如下所示：

常闭型25mm按钮开关电气符号

36. 25mm自锁按钮开关如何工作？

25mm自锁按钮开关的工作方式与瞬时按钮开关相反。.

25mm自锁按钮在按压或松开后均能保持其位置状态。.

它也可设置为‘常开’或‘常闭’状态。.

每次触发按钮都会切换其状态，即从‘常开’转为‘常闭’，或从‘常闭’转为‘常开’。.

37. 拨动开关与按钮开关有何区别？

拨动开关可通过至少两个位置之一计算的开关激活。.

大多数拨动开关可在任意开关位置停止，而其他开关则内置弹簧系统，可将开关恢复至特定典型位置，这被称为«瞬时»功能。

拨动开关的电气符号如下：

拨动开关的电气符号

按钮开关可在两个位置工作。.

它通过弹簧机构在两个位置之间锁定。.

按压和释放按钮将改变电路的状态。.

按钮开关的电气符号如下：

38. 什么是自锁型25mm按钮开关？

自锁型25mm按钮开关在触发时会切换状态，并保持在该位置直至再次触发。.

自锁型25mm按钮开关适用于需要长期维持特定功能运行的场合。.

例如：操作工业设备、照明控制、火灾报警器等。.

39. 带指示灯25mm按钮开关的技术规格有哪些？

25mm带指示灯按钮开关提供两种照明选项：环形照明和点状照明。.

防护等级为IP65和IK10。基础LED的工作电压范围为3.3V至220V。.

LED颜色可选白、绿、蓝、红、黄、橙色。.

带指示灯25mm按钮开关的LED预期使用寿命约为40000小时。.

40. 25mm按钮开关能否配置SPDT类型？

是的，25mm按钮开关可配置SPDT（单刀双掷）开关类型。.

它共有三个引脚：一个输入引脚和两个输出引脚。.

这意味着您可以选择控制两个输出设备的25mm按钮开关。.

或者可在两个输出设备间切换，具体取决于电路接线方式。.

在不同输出应用间切换时，其中一个输出端子的连接会断开并与另一个端子连接。.

SPDT开关电路图如下所示：

SPDT型25mm按钮开关电路

41. 25mm按钮开关能否配置SPST类型？

25mm按钮开关也可配置SPST（单刀单掷）开关类型。.

SPST是一种简单的开关类型，仅有一个输出端子和一个输入端子。.

SPST开关通常用作开/关按钮开关，无其他选项。.

SPST型25mm按钮开关只能操作一个输出设备。.

SPST开关电路图如下：

图23 SPST开关电路

42. 25mm按钮开关能否配置DPDT类型？

双刀双掷（DPDT）开关可用于多功能控制。.

它有六个端子，另有两个独立的LED端子。.

DPDT是两个SPDT开关的组合。.

通过这种方式，一个25mm DPDT按钮开关可控制两个独立电路。.

可提供1常开1常闭或2常开2常闭选项。.

DPDT开关电路如下：

43. 如何用25mm按钮开关连接SPDT、SPST和DPDT电路？

您可根据使用需求以多种方式连接SPDT、SPST和DPDT型25mm按钮开关。.

在以下演示视频中，您可查看SPDT、SPST和DPDT开关的接线方法及其功能。.

您也可根据需求修改接线方式。.

所有开关的接线规则在按钮开关、拨动开关或其他类型开关中均相同。.

44. 25mm按钮开关能否用于安全应用？

众所周知，25mm按钮开关适用于高电压应用和电路。.

因此，在安全应用中使用25mm按钮开关没有问题。.

它具有优异的耐热、防水和防破坏性能。.

您可将25mm按钮开关用作公共场所的紧急按钮开关，如医院、学校、办公楼、公园等。.

也可用作火灾报警按钮。.

它还适用于恶劣天气条件。.

45. 三路开关能否用作单极25mm按钮开关？

是的，您可将三路开关用作单极25mm按钮开关。.

只需将三路开关转换为单极25mm按钮开关即可。.

首先，将导线连接至一个移动端子。.

断开另一移动端子的导线并保持空置。.

移除移动导线后，安装导线连接器，该导线另一端连接负载侧。.

然后将三路开关的公共线连接至另一移动导线，为灯具提供切换线路电压，并安装空白盖板。参见下图：

随后从线路侧盒中拆除三路开关。使用导线连接器将线路导线连接至一个移动导线，为负载侧盒中的三路开关提供线路电压。另一移动导线保持空闲并安装导线连接器。最后在盒体上安装空白盖板。.

从负载侧盒的开关上拆除备用移动导线，并安装导线连接器。参见下图：

负载侧单极开关电路

46. 安装前如何测试25mm按钮开关？

您可通过四个步骤测试25mm按钮开关。.

步骤1：

Turn on the multimeter and select the ohmmeter function.

The resistance range should be set to ‘x1’.

If the ohmmeter has auto-range capability, this step can be skipped.

Test the ohmmeter switch.

Step 2:

Insert the leads into the meter and touch the probe tips together to check whether the meter is functioning properly.

If the display shows 1 or less, it indicates that the meter is working correctly.

If other values are displayed, replace the ohmmeter.

Testing the ohmmeter.

Step 3:

Connect the red lead to one terminal and the black lead to the other terminal of the push button switch, then turn ON the push button switch.

If the ohmmeter displays 1 or less, it means the push button switch is fully ON.

Testing the push button switch in the ON position.

Step 4:

Set the push button switch to the OFF position.

If the display shows ‘OL’ or a high frequency, it indicates that the push button switch is completely OFF.

You can test the 25mm push button switch multiple times using the same method.

If consistent results are obtained, it can be installed with confidence.

Testing the 25mm push button switch in the OFF position.

47. What type of wires are typically used in the circuit of a 25mm push button switch?

The 25mm push button switch is designed for heavy-duty applications and therefore requires connection with high-voltage wires.

Its wire capacity still varies depending on the specific type of 25mm push button switch.

However, wires ranging from AWG22 to AWG26 are commonly selected for connecting to the 25mm push button switch.

Some 25mm push button switches available on the market come with pre-attached wires.

48. What is the estimated useful life of a 25mm push button switch?

The estimated useful life of a 25mm push button switch varies according to its type.

The anti-vandal 25mm push button switch has an estimated mechanical life of 1,000,000 cycles and an electrical life exceeding 50,000 cycles.

The 25mm piezo push button switch has an estimated useful life of 50 million cycles.

The 25mm capacitive push button switch also has an expected useful life of approximately 50 million cycles.

49. What temperature resistance do different 25mm push button switches have?

25mm push button switches are used for heavy-duty applications, which is why they exhibit strong heat resistance.

The 25mm anti-vandal push button switch can withstand temperatures up to 55°C.

The 25mm piezo push button switch offers the highest heat resistance, up to 75°C.

The 25mm capacitive push button switch can resist temperatures up to 65°C.

50. Is the 25mm push button switch vibration resistant?

Yes, but not all types of 25mm push button switches are vibration resistant.

Only the 25mm piezo push button switches are vibration resistant.

The 25mm piezo push button switch provides vibration resistance up to 10-500 Hz / 10 g according to IEC 60068-2-6.

51. Explain the wiring of momentary and latching push button switches through a diagram.

The wiring of the 25mm momentary push button and 25mm latching push button switch is illustrated in the following diagram:

Wiring diagram for momentary and latching 25mm push button switches.