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OMRON Push Buttons（Contact Configuration：3b）
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φ22 mm Pushbutton Switch (Non-illumination Type) A22NN Series
OMRON
φ22 mm pushbutton switch. Helps miniaturize control panels with shortened body length and changed wiring direction. Easy wiring push-in Plus terminal block type is now available.[Workability]· The wiring direction is changed to improve the visibility of wires (Push-in Plus terminal block type)· Terminal screw hold-on structure (screw terminal block type) that supports round crimp terminal· Terminals can be additionally tightened even when switch units are stacked together (screw terminal block type)· Directionality of the switch unit is eliminated to facilitate assembly[Miniaturization]· The wiring direction is changed so lateral space is not required (Push-in Plus terminal block type)· Short Body Design[Safety]· It uses a lock lever mechanism that can be reliably and easily operated· The finger protective structure provides high safety· The wiring will not loosen and is therefore maintenance-free (Push-in Plus terminal block type)[Product Lineup]· Safety standard / voltage specification as a global product· Can be installed on two panel processing dimensions of φ22.3 and φ25.5· The buttons and bezels are available in abundant colors, shapes and materials· Conforms to IP66 and NEMA 4X/13 for protective structure
Mounting Hole Shape Type Push button operation Button color Contact Configuration Terminal shape Guard included Dimension depth(mm) Protection function (environmentally resistant) Representative Standard Dimension width(mm) Dimension vertical(mm) Other Round / Mushroom shape Non-illumination type push-button Momentary / Alternate Red / Blue / Green / Yellow / White / Black 3b Screw terminal / Insertion Terminal Available / NA 50.5 ～ 66 Available CE / UL / CUL / TUV / CCC / CSA 30 ～ 40 47 ～ 47.6 From: 256,208 VND Special Price Days to Ship: Số ngày giao hàng: 6 Day(s) or more 
6 Day(s) or more
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You can add up to 6 items per a category to the compare list.
φ30 mm Pushbutton Switch (Non-illumination Type) A30NN Series
OMRON
φ30 mm pushbutton switch. Helps miniaturize control panels with shortened body length and changed wiring direction.Easy wiring Push-in Plus terminal block type is now available. Workability and safety have been improved.[Workability]· Three switch units can be mounted on one stage and multi-stage expansion is possible (screw terminal block type)· Terminal screw hold-on structure (screw terminal block type) that supports round crimp terminal· Terminals can be additionally tightened even when switch units are stacked together (screw terminal block type)· Directionality of the switch unit is eliminated to facilitate assembly[Safety]· It uses a lock lever mechanism that can be reliably and easily operated· The finger protective structure provides high safety· The wiring will not loosen and is therefore maintenance-free (Push-in Plus terminal block type)[Product Lineup]· The buttons and bezels are available in abundant colors and shapes
Mounting Hole Shape Type Push button operation Button color Contact Configuration Terminal shape Guard included Dimension depth(mm) Protection function (environmentally resistant) Representative Standard Dimension width(mm) Dimension vertical(mm) Other Round / Mushroom shape Non-illumination type push-button Momentary / Alternate Red / Blue / Green / Yellow / White / Black 3b Screw terminal / Insertion Terminal Available / NA 50.5 ～ 66 Available CE / UL / CUL / TUV / CCC / CSA 34.7 ～ 40 47 ～ 47.6 From: 318,566 VND Days to Ship: Số ngày giao hàng: 6 Day(s) or more
6 Day(s) or more
| BrandNhãn hiệu |
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| Product SeriesDòng sản phẩm |
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| Days to ShipSố ngày giao hàng |
| Mounting Hole |
| Shape |
| Type |
| Push button operation |
| Button color |
| Contact Configuration |
| Terminal shape |
| Guard included |
| Dimension depth(mm) |
| Protection function (environmentally resistant) |
| Representative Standard |
| Dimension width(mm) |
| Dimension vertical(mm) |
You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | |
| BrandNhãn hiệu | OMRON | OMRON |
| Product SeriesDòng sản phẩm | φ22 mm Pushbutton Switch (Non-illumination Type) A22NN Series | φ30 mm Pushbutton Switch (Non-illumination Type) A30NN Series |
| From | 256,208 VND Special Price On Sale Till 31/03/2025 | 318,566 VND- |
| Days to ShipSố ngày giao hàng | 6 Day(s) or more | 6 Day(s) or more |
| Mounting Hole | Other | Other |
| Shape | Round / Mushroom shape | Round / Mushroom shape |
| Type | Non-illumination type push-button | Non-illumination type push-button |
| Push button operation | Momentary / Alternate | Momentary / Alternate |
| Button color | Red / Blue / Green / Yellow / White / Black | Red / Blue / Green / Yellow / White / Black |
| Contact Configuration | 3b | 3b |
| Terminal shape | Screw terminal / Insertion Terminal | Screw terminal / Insertion Terminal |
| Guard included | Available / NA | Available / NA |
| Dimension depth(mm) | 50.5 ～ 66 | 50.5 ～ 66 |
| Protection function (environmentally resistant) | Available | Available |
| Representative Standard | CE / UL / CUL / TUV / CCC / CSA | CE / UL / CUL / TUV / CCC / CSA |
| Dimension width(mm) | 30 ～ 40 | 34.7 ～ 40 |
| Dimension vertical(mm) | 47 ～ 47.6 | 47 ～ 47.6 |
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Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước
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Mounting Hole
- Ø6
- Ø8
- Ø10
- Ø12
- Ø16
- Ø22
- Ø25
- Ø30
- Square Hole
- Other
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Shape
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Round
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Square
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Elongated
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Mushroom shape
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Other
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Round
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Type
- Illuminated emergency stop
- Non-illumination type emergency stop
- Illumination push-button
- Non-illumination type push-button
- Other
- Selector
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Push button operation
- Momentary
- Alternate
- Push to lock/turn to reset
- Other
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Button color
- Red
- Blue
- Green
- Yellow
- White
- Black
- Amber
- Other
- Orange
- Pure yellow
- Pure White
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Contact Configuration
- 1a
- 1b
- 2a
- 2b
- 3a
- 3b
- 1c
- 2c
- 1a2b
- 4a
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Terminal shape
- Solder terminal
- Screw terminal
- PC terminal
- Insertion Terminal
- Solder terminal/tab terminal
- Other
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Guard included
- Available
- NA
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Dimension depth(mm)
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Protection function (environmentally resistant)
- Available
- NA
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Representative Standard
- PSE
- CE
- UL
- CUL
- TUV
- CCC
- CSA
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Dimension width(mm)
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Dimension vertical(mm)
Related Categories to Push ButtonsDanh mục liên quan đến Push Buttons
FAQ Push Buttons
- Question: What are the characteristics of push buttons used in electrical circuits?
- Answer: Push buttons used in electrical circuits should be small, compact, easy to install, and have good fire resistance. They should also be able to withstand moisture and other environmental conditions well, depending on the environment in which the machine is installed. In addition, they should have a fast response, which can be considered from the material used in the production of the contacts of the push button. The push button should also be manufactured according to international industrial standards.
- Question: How do push button switches integrate with industrial control systems?
- Answer: In industrial control systems, push buttons act as crucial input interfaces, bridging human commands to automated processes, for example:
1.Direct control: Wired directly to controllers, button presses trigger immediate actions – starting motors, stopping conveyors, or initiating emergency shutdowns.
2.Logic integration: Buttons feed data into PLCs, influencing complex control sequences based on their programmed functions within the larger system. - Question: What distinguishes a push-pull switch from a standard push button?
- Answer:
This table summarizes the key differences between push switches and push-pull switches
Feature Push Button Switch Push-Pull Switch Functionality Momentary action: Makes or breaks the circuit temporarily when pressed. Dual action: Can be operated by both pushing and pulling, often serving two different functions. Typical Usage Used for applications requiring a momentary connection, such as turning on a location of the base while the button is held down. Commonly used when a switch needs to control two functions, with pushing and pulling corresponding to different actions (e.g., on/off). Activation Type Activated by pressing the button or switch. Activated by both pushing and pulling the actuator. Return to Rest State Returns to the original state (off) when the button is released. May have different actions for pushing and pulling, and returns to the original state accordingly. Examples Doorbell buttons,momentary control switches. Headlight switches in automobiles, power control in some lighting fixtures - Question: What factors should be considered when selecting push buttons for machinery?
- Answer: 1. Application Requirements: Identify the specific function the push button that appropriate for the machine for example momentary or maintained.
2. Environmental Conditions: Consider the environmental conditions in which the machinery operates (e.g., indoor, outdoor, wet, dusty).
3. Voltage and Current Ratings: Ensure that the push button is rated for the voltage and current levels of the machinery it will control.
4. Size and Mounting Options: Select push buttons of an appropriate size for the machinery control panel. Consider the mounting options
5. Compliance with Standards: Check whether the push buttons comply with relevant industry standards and regulations, especially those related to safety.
6. Maintenance and Replacement: Evaluate the ease of maintenance and replacement of push buttons. Quick and straightforward replacement can minimize downtime. - Question: How do waterproof push button switches benefit industrial applications?
- Answer: Waterproof push buttons for machinery in industrial settings are offering numerous benefits:
1. Safety : They shield sensitive electronics from spills, splashes, and cleaning, preventing short circuits and safeguarding operators.
2. Durable : These buttons have long lifespan and reducing maintenance peroid.
3. Reliable : Industrial processes demand unwavering control. Waterproof buttons minimize moisture-induced malfunctions, ensuring smooth operation in production.
4. Hygiene : In critical environments like food and pharma indrustrials, waterproof buttons let you clean with confidence, preventing contamination and upholding strict hygiene standards.
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