
D4A-1109N Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $129.99 | Top Pick! Condition is New – Open box, OMRON D4A1109N Plunger Limit Switch, SPDT 2CLR4, shipping cost = $8.75 | 99.8% |
![]() | $156.00 | Condition is New – Open box, Omron D4A-1109N Limit Switch FNOB, FREE SHIPPING | 99.8% |
![]() | $171.02 | Condition is New – Open box, Omron D4a-1109n Limit Switch 2a 125vac, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $79.99 | Condition is New, OMRON D4A1109N Plunger Limit Switch,SPDT 2CLR4, shipping cost = $6.74 | 100.0% |
![]() | $149.95 | Top Pick! Condition is New, Omron D4A-1109N Heavy Duty Limit Switch, Plunger, Spdt, 10A 600V Ac, shipping cost = $14.50 | 100.0% |
![]() | $255.79 | Top Pick! Condition is New, OMRON D4A1109N Plunger Limit Switch, SPDT 2CLR4, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $72.49 | Condition is Used, Omron D4A-1109N 2A Heavy-Duty Limit Switch, shipping cost = $42.32 | 100.0% |
![]() | $111.00 | Condition is Used, OMRON D4A-1109-N / D4A1109N (USED), shipping cost = $12.90 | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $169.49 | Condition is Neu: Sonstige (siehe Artikelbeschreibung), Omron D4a-1109n Limit Switch 2a 125vac, FREE SHIPPING | 100.0% |

The Omron D4A-1109N Limit Switch is a versatile and reliable automation component designed for various applications. This pneumatic limit switch features a compact and robust design, making it an ideal choice for machine builders, panel builders, and system integrators.
The switch operates on compressed air and features a normally open (NO) contact configuration. It is designed to activate and deactivate the contact when a preset travel distance is reached. The travel distance can be set by adjusting the screw on the actuator, allowing for easy customization to meet specific application requirements.
The Omron D4A-1109N Limit Switch is built using high-quality materials, ensuring durability and long-lasting performance. The actuator is made of die-cast zinc and the contact is made of silver-plated copper for superior conductivity and resistance to corrosion. The switch also features a built-in spring-loaded return mechanism, ensuring quick and accurate resetting after actuation.
The switch has a maximum operating pressure of 10 bar (145 psi) and can handle a maximum air consumption of 0.11 liters per cycle. The switch body is sealed to protect against dust and water, making it suitable for use in harsh environments.
The Omron D4A-1109N Limit Switch comes with a variety of mounting options, including surface, panel, and flange mounting. It also includes a flexible mounting bracket, allowing for easy installation in various orientations. The switch is compatible with a wide range of automation systems and can be used in conjunction with other Omron sensors and actuators to create more complex control systems.
In summary, the Omron D4A-1109N Limit Switch is a reliable and versatile automation component that can be used in a variety of applications. Its compact and robust design, adjustable travel distance, and high-quality construction make it an excellent choice for machine builders, panel builders, and system integrators.
The Omron D4A-1109N limit switch is a versatile and reliable sensor designed for use in various automation applications. Here are some pros and cons that can help you make an informed decision about purchasing this product:
Pros:1. High Precision: The Omron D4A-1109N limit switch offers high precision and accuracy, making it suitable for applications where precise position sensing is required.
2. Durable Design: The switch is built with a robust and durable design, which makes it ideal for use in harsh environments. It can withstand high temperatures, vibrations, and shocks.
3. Easy to Install: The limit switch comes with a plug-in type connection, which makes it easy to install and connect to other components in the automation system.
4. Versatile: The Omron D4A-1109N limit switch is available in various models, each with different specifications, making it a versatile option for different applications.
5. Low Power Consumption: The sensor consumes low power, making it a cost-effective option for applications where power consumption is a concern.
Cons:1. Cost: The Omron D4A-1109N limit switch may be more expensive than some other limit switches on the market, which could be a drawback for some buyers.
2. Limited Mounting Options: The sensor may have limited mounting options, which could make it difficult to install in certain applications.
3. Complex Wiring: The wiring of the limit switch may be complex, which could require additional time and effort during installation.
Conclusion:The Omron D4A-1109N limit switch is a high-precision and durable sensor that offers various benefits for automation applications. Its easy installation, versatility, and low power consumption make it an attractive option for many users. However, its cost and limited mounting options could be potential drawbacks for some buyers. Ultimately, the decision to purchase the Omron D4A-1109N limit switch depends on the specific requirements of your application and your budget.
Recommendation:If you require a high-precision and durable limit switch for your automation application and are willing to pay a higher price, then the Omron D4A-1109N limit switch is an excellent option. Its easy installation, versatility, and low power consumption make it a cost-effective choice in the long run. However, if cost is a significant concern, you may want to consider other limit switch options that are more affordable.
Details:
A new, unused item with no signs of wear. The product must be the original item shipped, with matching serial numbers if applicable. Actuator type: plain top plunger. Terminal type: screw.
Omron D4A-1109N limit switch heavy-duty limit switch with plain top plunger actuator, PDT contact configuration, and screw terminal type.specifications type: top plunger switch. Contact configuration: single pole double throw PDT break. Special instructions. Manufacturer part number: D4A-1109N.
2-year mro shield protection plan included. Most items are in stock when they listed. The item has its original packaging but it is not sealed. Omron D4A-1109N limit switch manufactured by Omron.
specifications indusswitch:
- brand: Omron
- mpn: D4a-1109n
- part type: Switch
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Limit Snap Action Switches
shipping indusswitch:
- carrier: ups
- transit: 4-7 days
- class: standard, one-day
- service: ups ground, ups next day air
- type: calculated
seller indusswitch:
- city: san antonio, texas
- rating: 99.2%
- # reviews: 16631
returns indusswitch:
- paid by: buyer
- policy: returns accepted
- time: 30 days
- method: money back
payments indusswitch:
- other
- wallet: paypal
- credit card: discover
offer indusswitch:
- best offers: true
- in stock #: 5
- prices: $72.49–$255.79
- item condition:
- New – Open box
- New
- Used
- Neu: Sonstige (siehe Artikelbeschreibung)
- options: ship-to-home
- availability: in stock
- sold #: 15
- started: november 2, 2025
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