Langir单刀单掷按钮开关

作为中国领先的优质单刀单掷按钮开关制造商，Langir电气使此类按钮开关更臻完善与精美。若您正在寻找这一实用工具，Langir是您可信赖的供应商。通常单刀单掷按钮开关被定义为“单极单掷”，用于接通或断开两个端子间的连接。.

单刀单掷按钮开关铆接工艺

单刀单掷瞬时开关包含常开型与常闭型。对于常开型：按下时接通，松开时断开。对于常闭型：按下时断开，松开时接通。此功能同样体现在压电开关和电容开关上。.

对于单刀单掷按钮开关，我们拥有众多符合此功能的型号。面板开孔直径从12mm到30mm规格多样。您可为设备选择无照明、点状照明或环形照明款式。.

Langir单刀单掷按钮开关提供多种头部类型，包括圆顶头、平头、高平头和凹头。不同型号适配不同头部设计。我们当然欢迎您提供图纸进行头部定制。.

单刀单掷按钮开关在停车场系统中的应用

Langir按钮开关提供单刀单掷、双刀双掷、单刀双掷按钮开关，以匹配您的设备需求。.

若您不确定如何为设备选择合适型号，请随时联系我们，我们拥有强大的技术支持和积极的销售团队。.

单刀单掷按钮开关——常见问题指南

在本常见问题指南中，您将发现关于单刀单掷按钮开关的诸多有趣信息。.

您还将了解这种基础开关的广泛应用领域。.

您还会获知市场上单刀单掷按钮开关的多种类型，以及可供选择的不同形状、尺寸、颜色和其他选项。.

在这份完整指南中，您还将学习如何对单刀单掷按钮开关进行故障排除、维护和正确保养。.

继续阅读我们的指南，助您找到最适合您用途和应用场景的单刀单掷按钮开关。.

1. 什么是单刀单掷按钮开关？

SPST push button switch

单刀单掷按钮开关也定义为单极单掷开关。.

它也被称为单刀单掷按钮开关、按钮式单刀单掷开关或单刀单掷开关。.

与其他开关类似，其功能是连接或断开两个端子之间的连接。.

它也被称为简单的SPST通断按钮开关、SPST按压式通断开关、SPST按压开关，在英国主电源布线术语中称为单向开关，但在美国布线术语中则称为双向开关。.

SPST按钮开关最常见的应用是电灯开关。.

以下是电气接线图中表示SPST按钮开关的符号：

SPST按钮符号

2. SPST按钮开关包含哪些部分和组件？

按钮开关通常具有相同的部分和组件，但根据制造商、地区或国家的不同，其名称有时会有所差异。.

SPST按钮开关的外观与其他按钮开关有许多相似之处。.

最常见的部件如下：

• 执行器——也称为头部或按钮，通常通过按压来激活开关，有时会以不同样式、标志或符号进行照明。.
• 壳体——这是开关的外壳，也称为罩壳或外壳，用于将所有部件固定在一起。.
• 引脚——这些通常是焊接型或螺丝型的端子，用于连接导线。.

这些部件可以立即识别，因为它们位于外部，但其他部件由于位于SPST按钮开关内部而不可见。.

• LED——该芯片通常包含在带LED的SPST开关中，负责在执行器被按下时或始终保持点亮状态时使开关发光。.
• 弹簧——硬化钢制线圈，使执行器在按压开关时能够移动。.
• 触点——通常内部有两对触点，一对是位于执行器下方的可动触点，另一对是固定触点并连接到开关的端子。.

SPST按钮开关部件

3. SPST按钮开关如何工作？

SPST按钮开关的操作相当简单。.

当您按下执行器时，金属弹簧使可动触点接触固定触点，从而闭合电路并使电流流通。.

当您松开执行器时，金属弹簧缩回，触点断开，电流停止流动。.

但对于SPST自锁按钮开关，头部会保持按下状态，直到再次按压才会弹回。.

SPST按钮开关操作

4. SPST按钮开关的常见尺寸是多少？

SPST按钮开关的尺寸可能因其类型和大小而有所不同。.

有些薄型按钮开关的壳体长度与标准按钮开关不同。.

例如，一个16毫米的SPST按钮开关从头到尾的长度约为0.94毫米。.

而相同直径的薄型SPST按钮开关长度约为0.677毫米。.

如果执行器是凸起头部，则从头部到引脚末端的长度可能增加约1至2毫米。.

SPST按钮开关所采用的引脚或端子类型也会略微影响其长度。.

在直径尺寸方面，您可以找到最小的尺寸之一，如10毫米，以及较大的尺寸，如22毫米至30毫米。.

如果您需要特定尺寸的SPST按钮开关用于业务，可以咨询制造商是否可以根据您的需求定制直径尺寸。.

5. SPST按钮开关有多少种类型？

除了之前提到的不同尺寸外，SPST按钮开关在类型、颜色、照明类型以及制造材料方面也有多种选择。.

SPST按钮开关有以下不同类型：

• 微型SPST按钮开关
• 不锈钢SPST按钮开关
• 防水SPST按钮开关
• 高平头SPST按钮开关
• 黑色铝制SPST按钮开关
• 环形照明SPST按钮开关
• 密封自锁SPST按钮开关
• 点状照明SPST按钮开关
• 瞬时型SPST按钮开关

还有不同的操作类型，例如：

• SPST按钮开关黑色瞬时断开常闭型
• SPST按钮开关瞬时接通常开型
• SPST常开瞬时开关

您还可以从不同的SPST按钮开关形状中选择，例如：

• 薄型SPST按钮开关
• 圆形SPST按钮开关
• 方形SPST按钮开关

SPST按钮开关的执行器也有多种选择：

• 圆顶头
• Flat head.
• 凸起头或高平头
• 凹面头
• 方头
• 带照明
• Non-illuminated
• Ring symbol
• Power symbol
• Ring and power symbol
• 激光蚀刻

您还可以选择喜欢的颜色，如自然色、红色、黄色、蓝色、绿色、橙色等。.

对于SPST按钮开关的引脚，通常有两种类型：

• Solder lug
• Screw type

Some manufacturers accommodate SPST push button switch modifications of shapes, actuator heads, pins, colors, etc.

Different types of push button switch

6. What metals are used to make the SPST push button switch?

The SPST push button switch is made with different materials depending on its manufacturer.

Some of the most common materials that are used to make the SPST push button switch are the following:

• 304 or 316 Stainless steel grade
• 阳极氧化铝
• Brass plated with nickel or gold
• Plastic

You can find that some SPST push button switch is made from one or two kinds of materials for their casing.

You can also find actuators with a clear resin material cover to show the backlit design underneath.

The actuators of the illuminated SPST push button switch are usually made with ceramic, plastic, or resin material as well.

Lastly, the SPST push button pins are usually made with copper or brass.

Stainless steel materials of SPST push button switch

7. What are the best features of the SPST push button switch?

The SPST push button switch has several best features providing you the best value for your money.

Some of its best features are the following:

• Economical
• Many application uses
• Waterproof and vandal proof types
• Dust proof
• A wide array of choices
• Compact device
• Easy installation
• 节省空间
• Secure mounting
• Little to zero maintenance
• Available in stores and online

The SPST push button switch is quick to install switch which means that you can use it right after installation.

8. How is the SPST push button switch utilized?

Since the SPST push button switch is the most basic of push button switch, it can be used in a wide range of applications for homes, businesses, and industrial settings.

Some of the applications of the SPST push button switch are the following:

• Instruction button appliances
• Electromagnetic starter
• Car modification
• Horn button switch
• Host computer keys
• PC power switch
• Security doors
• 自动售货机
• Water dispensers
• Kiosks
• Medical and medicinal equipment
• Food establishments
• Food processing machines
• Car wash systems
• Agriculture and farming equipment
• Automatic pump gas stations
• Aerospace controls
• Marine controls
• Boat, yacht, and ship bridge controls
• DIY electronic projects

Because the SPST push button switch is versatile, there could be more of its applications around the world.

Different applications of SPST push button switch

9. How long is the working lifespan of the SPST push button switch?

If the SPST push button switch is made with high quality materials and manufacturing standards, it would typically have a long working lifespan.

This is determined by the mechanical and electrical life cycles.

A high quality SPST push button switch can have up to 1,000,000 mechanical life cycles and can have up to 200,000 electrical life cycles.

These life cycles can have different values depending on the type of switch as well.

If you want to know the working lifespan of the SPST push button switch you want to purchase, simply check the SPST push button switch datasheet or its specifications to know about it.

10. What is the SPST push button momentary switch?

An SPST momentary push button switch is generally used for any circuit controls which only need a momentary activation.

It is also known as SPST momentary switch or momentary SPST switch.

For example, car horn buttons, power switch, doorbells, and so on.

Electricity control cabinet

11. What is the SPST push button switch momentary-on normally open?

The SPST push button switch has a type called momentary-on or sometimes called SPST NO push button switch and this only activates when the actuator is being pressed.

The term normally open means that the contacts inside the SPST push button switch are not connected on its default state but when the actuator is pressed, the contacts are connected therefore closing the circuit.

12. What is the SPST push button switch momentary-off normally closed?

The SPST push button switch momentary-off normally closed means that its circuit is closed during its default state allowing the current to flow.

But when the actuator is pressed, the circuit opens and breaks the current flow.

And when the actuator is released, the circuit is closed, and then the current flows once again.

13. What are the similarities and differences between the SPST push button switch and the DPST push button switch?

The SPST push button switch and DPST push button switch have similarities but each has its own unique characteristics which differentiate them from one another.

Here’s a table that briefly shows their similarities and differences.

14. How does an SPST push button switch work as wired doorbells?

A momentary SPST push button switch closes the doorbell circuit that activates the signaling devices such as a chime, bell, or buzzer located outside and beside the door specifically around the same height of the doorknob.

One pin of the SPST push button switch is connected to the transformer’s terminal of the doorbell.

The doorbell’s transformer lowers its voltage, for example from 240 volts down to 10 volts.

The other terminal of the transformer is connected to all three terminals of the signaling device.

While another terminal is wired to the other pin of the SPST push button switch.

The signaling device can produce a different sound when it has a third terminal.

Some houses have a doorbell button typically located at the back door and this is wired to the transformer and the third terminal.

Inside the transformer, a primary winding is continuously energized and constantly consumes about 1 to 2 watts for its standby power.

It consumes the same amount of power even if the SPST push button switch is illuminated.

Wired doorbell

15. How to test the SPST push button switch for continuity?

To conduct a continuity test for the SPST push button switch, you will need to have a continuity tester or a multimeter.

Using a continuity tester, clip its wire to one of the terminals of the SPST push button switch.

Then touch the other terminal of the SPST push button switch using the tester probe.

Press the SPST push button switch on and off.

The continuity tester should light up when the switch is in the “on” position but will not light up when the switch is “off”.

When using a multimeter, touch both of the tester probes on one of the terminals of the SPST push button switch.

Then press the switch on and off.

When the SPST push button switch is «on» the multimeter should show close to zero while it should show «1» when it is «off» which means that there’s no continuity.

Multimeter tester

16. Does the SPST push button switch get tested for strength?

Unknown by many people, the SPST push button switch and all other types of switches undergo a series of impact tests to measure its enclosure’s strength.

The tests conducted are included in the certification process that determines whether the SPST push button switch can withstand certain levels of impact.

This is necessary to ensure that the switch is robust and durable and cannot be easily broken that can pose a tamper and safety risk.

This certification is called IK impact rating that typically includes the following tests:

• Charpy Impact test
• Drop Weight test

During the Charpy Impact Test, the SPST push button switch is positioned into the Charpy test machine and submitted to different levels of impact tests at different temperature levels.

This identifies if the SPST push button switch can withstand strong impacts while in extreme temperatures.

While for the Drop Weight test, the SPST push button switch is tested in two ways:

• Dropping it from a higher ground
• Striking it with a hammer

And during the Drop Weight test, the temperature levels are also increased or decreased.

After this series of tests, the SPST push button switch is IK rated from 0 to 10, with IK10 being the highest.

If the SPST push button switch has an IK10 rating, it means that it can be installed in places where it can be frequently used by the general public such as train stations, bus terminals, parks, restaurants, corporate buildings, etc.

The SPST push button switch can also withstand brute force, tough environments, and extreme temperatures.

Lathe machine for SPST push button switch

17. How to troubleshoot an SPST push button switch?

Sometimes the SPST push button switch has not been working smoothly as it should.

You could encounter issues like the actuator is getting too hard to press, or it needs to be pressed several times to work, or the SPST push button switch simply does not work anymore.

Usually, these issues happen when the SPST push button switch is already out of warranty.

Here are some of the common issues and what you can do to troubleshoot them:

If the above troubleshooting steps do not resolve the issue, you may contact the manufacturer for potential repair options.

Otherwise, you can properly dispose of the switch and purchase a replacement.

18. What is the switch rating of the SPST push button switch?

The SPST push button switch has various switch ratings to accommodate different application requirements.

Typically, you may find ratings such as 3 amps (250 VAC, 30 VDC) or 2 amps (48 VDC).

However, other types, such as high-current push button switches, can handle currents up to 20 amps.

19. What are some helpful tips when soldering the SPST push button switch?

Soldering the SPST push button switch can be quick and straightforward when performed correctly.

This can save time and money, as purchasing another switch may be unnecessary.

Here are some tips to consider when soldering the SPST push button switch.

• Use fine-point solder when soldering the pins of the SPST push button switch to avoid contacting adjacent pins.
• Begin with low heat to prevent melting the pins.
• Prior to soldering the wires, apply a small amount of solder to the pins to account for potential shrinkage.
• Insert the exposed wire ends through the holes in the pins and twist them together to ensure a secure solder joint.
• Always solder at a 25-degree angle, targeting the lead rather than the pins directly.
• Limit soldering time to 1–3 seconds per pin to avoid melting.
• Solder the pins individually to prevent unintended connections.

Soldering gun and machine

20. How to practice safety while using an SPST push button switch?

It is highly recommended to follow safety protocols when handling electrical devices to prevent accidents.

The SPST push button switch is an electrical device, so adhering to safety reminders such as the following is essential:

• When installing or replacing the SPST push button switch while in contact with live wires, always turn off the power source or mains first.
• Avoid touching components that are energized.
• Adhere to the manufacturer's switch rating recommendations.
• Inspect for any visible signs of corrosion or damage and assess whether repair or replacement is feasible.
• Follow the manufacturer's wiring instructions.
• When soldering and installing the SPST push button switch, always work in a well-lit area away from flammable gases.

Some manufacturers include a safety installation guide with the SPST push button switch order.

21. How to test the SPST push button switch before installation?

Testing the SPST push button switch before installation is crucial.

This ensures proper functionality before mounting it to a panel, plate, or device.

To conduct the test properly, the following tools are required:

• SPST push button switch
• Ohmmeter

Follow these steps to test the SPST push button switch:

1. Verify the ohmmeter is functioning by turning it on and adjusting the range selector knob.
2. Attach the positive (red) and negative (black) test probes to the ohmmeter.
3. Check the probes by touching their tips together.
4. The ohmmeter needle should move to 1 ohm or less. If no change occurs or the reading is higher, the ohmmeter may be faulty.
5. Connect the red test probe to one pin of the SPST push button switch and the black probe to the other pin.
6. The ohmmeter scale should display 1 ohm when the SPST push button switch is in the “on” position.
7. The scale will display “OL” when the switch is in the "off" position, indicating high resistance.
8. Repeat the test to confirm the results.

If the scale alternates between 1 ohm and "OL" when toggling the switch, it is functioning correctly.

If the scale shows no change while toggling the switch, it may be defective.

In such cases, contact the manufacturer regarding replacement of the faulty switch.

Alternatively, you may order another SPST push button switch, ensuring it is of high quality to avoid receiving a defective unit.

22. Is the SPST push button switch sealed against water damage?

Certain types of SPST push button switches are designed to withstand water exposure.

These are commonly referred to as water-resistant or waterproof SPST push button switches.

However, the level of water ingress protection varies among models.

For instance, a water-resistant SPST push button switch can endure water splashes but not submersion, whereas a waterproof switch can withstand submersion for several minutes.

This protection level can be determined by the IP (Ingress Protection) rating of the SPST push button switch.

The IP rating not only indicates water protection but also the level of protection against solid objects or particles.

The degree of protection against solids and water is represented by two digits following "IP," as illustrated below:

IP rating

A higher number indicates better protection against solids and water.

For a clearer understanding, refer to the chart below describing each level of IP protection.

IP rating chart

23. What should you do if you receive a defective SPST push button switch?

Occasionally, you may receive a defective SPST push button switch for unknown reasons.

In such cases, check the warranty documentation to see if the switch is still covered.

If it is under warranty, contact the manufacturer for replacement procedures.

通常，制造商会要求您将SPST按钮开关寄回给他们进行维修或更换。.

维修可能需要几周或更长时间，具体取决于您所在的位置，因为这包括寄送给制造商以及寄回给您的运输时间。.

一旦制造商收到您的SPST按钮开关，他们将进行多项检查，以确定原因是工厂故障还是人为错误。.

如果是工厂故障，制造商可以用工厂的新品进行更换，并寄送给您。.

而对于其他问题，制造商保留判定原因是否符合保修条件的权利。.

24. SPST按钮开关可用的引脚数量是多少？

SPST按钮开关通常有两个引脚或端子，一个用于电源，一个用于设备。.

例如，在常开型SPST按钮开关中，一个引脚标记为C（公共端）；另一个引脚标记为NO（常开端）。.

但带指示灯的SPST按钮开关有4个引脚，因为LED的两个引脚是独立的。.

有时当

以下是一个4引脚带指示灯SPST按钮开关的示例：

带指示灯SPST按钮开关接线指南

25. 可以在哪些汽车控制装置上使用SPST按钮开关？

SPST按钮开关非常适用于汽车控制或任何类型的车辆，如SUV、卡车、全地形车、摩托车等。.

您可以将其用于车辆的内外部控制，例如以下示例：

• 喇叭按钮
• 前大灯
• 雾灯
• 顶灯
• 电动车窗
• 音频控制
• 底盘灯

具备适当知识后，您可以轻松地用SPST按钮开关更换汽车上损坏的控制装置，甚至可以根据喜好进行一些DIY改装。.

您也可以咨询机械师，请他们为您进行开关更换或汽车改装。.

对于新购买的车辆，您可能需要咨询经销商，以进行保修范围内的汽车控制装置更换。.

不建议对全新车辆进行改装，因为这可能会使车辆的保修或保险失效。.

经典汽车仪表盘

26. SPST按钮开关是否适合用于安全报警系统按钮的更换？

是的，SPST按钮开关也可用于更换损坏的报警系统按钮。.

您还可以在家庭内部DIY一个报警系统，以备紧急情况发生。.

您可以将SPST按钮开关连接到蜂鸣器装置，以便在触发时发出声音。.

然而，这种类型需要用户干预才能触发警报。.

但您也可以安装 紧急按钮开关 或具有传感器功能的家庭安全报警设备来保护您的房屋。.

紧急按钮

27. 购买SPST按钮开关时需要考虑哪些事项？

当您购买SPST按钮开关时，必须明确您具体需要什么。.

以下是一些您可以参考的指南事项：

• 您购买SPST按钮开关的原因
• 您所需的SPST按钮开关类型，例如：
  • SPST常开开关或SPST常闭开关
  • SPST瞬时开关或SPST自锁开关
  • 焊接片式或螺丝式引脚
• 您安装开关的位置（室内或室外）
• 开关将暴露的环境因素（近水、高湿度、公共区域等）,
• 开关的具体特性，如尺寸、颜色、形状等。.
• 其他要求，如开关额定值、防护等级、机械和电气寿命周期等。.

28. 如何验证SPST按钮开关是否高质量？

当您知道在开关中需要关注什么时，选择高质量的SPST按钮开关会更容易。.

一些密封和认证可以作为SPST按钮开关高质量的验证。.

您可以查看的一些质量密封和认证如下：

By now, you already know what to check whenever you purchase the SPST push button switch.

These quality seals are equally important to ensure that you are only getting high quality SPST push button switch and that your safety is guaranteed.

You can also make sure that you get your money's worth.

IP rating seal

29. How to care for SPST push button switch to maintain quality?

The majority of the SPST push button switch today require almost zero maintenance but when you know how to properly care for them, you can maintain their smooth operation and prolong their mechanical and electrical life cycles.

You can also preserve its original appearance and keep the SPST push button switch in good quality.

The following tips can help in properly caring for your SPST push button switch:

• Follow the manufacturer's recommended use
  • Only use the SPST push button switch within the recommended switch rating range.
  • Avoid using a non-waterproof SPST push button switch near water.
• Avoid pressing the actuator using sharp pointy objects
  • Only use your finger or safe finger tools to push the actuator to avoid causing visible damages that can reduce the quality of the SPST push button switch.
• Always handle them with care
  • Avoid dropping the SPST push button switch since this can loosen its internal parts and cause failure.
• Regularly wipe the surface
  • There could be stubborn dirt and dust which can enter the insides of the SPST push button switch and can cause short circuits or switch failure.
  • Plus, it is important to sanitize the SPST push button switch if it is always being used by different people.
• Avoid direct sunlight
  • Leaving the SPST push button switch under direct sunlight can deteriorate its appearance and the quality of the materials.
  • If it's made from plastic, the color can fade and the plastic material can become brittle and break apart exposing its internal parts.
• Store properly
  • Store the SPST push button switch in a cool and dry place such as storage shelves or cabinets.
  • A properly stored SPST push button switch enables longer shelf life and ensures that it is still in good working condition for future use.

Multi drawer cabinets

30. Do manufacturers make customized SPST push button switch?

Yes, there are manufacturers that accept customization requests from their customers.

This is a great option when you need a unique SPST push button switch for your business or your DIY projects.

Some of the things you can request for the SPST push button switch's customization are the following:

• The materials to be used in manufacturing the SPST push button switch
• The diameter size and other dimensions
• The shape and color of the SPST push button switch
• The actuator shape and type (illuminated or non-illuminated)
• The logo on the actuator (backlit or laser etched)
• The technical specifications you need
• Other customization options available

These customization options may only be available on some manufacturers who can accept these kinds of requests.

Aside from that, the customization request may have a minimum quantity of push button switch orders.

Contact your manufacturer to check on their available customization options.