
12T851 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $58.95 | Condition is New – Open box, DAYTON 12T851 Heavy Duty Limit Switch: SPDT, 10A 600V, 10A 600V,, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $221.99 | Top Pick! Condition is New, Dayton 12T851 Heavy Duty Limit Switch, Cat Whisker, Wobble Stick, Spdt, 10A At, FREE SHIPPING | 99.8% |
![]() | $280.41 | Condition is New, DAYTON 12T851 Limit Switch, Cat Whisker, SPDT 12T851, FREE SHIPPING | ![]() |

Introducing the Dayton 12T851 Limit Switch, a versatile and reliable component for various automation applications. This limit switch, specifically designed in the SPDT 10A configuration, is engineered to provide optimal performance in a compact and economical package.
The Dayton 12T851 features a unique cat whisker design in its wobble stick, which allows for precise and reliable contact with conductive surfaces. This contact method is particularly effective in situations where traditional mechanical switches may struggle, such as in the presence of dust, moisture, or other contaminants. The cat whisker design ensures consistent and stable electrical connections, making it an excellent choice for industrial automation, HVAC systems, or any application where reliable switch operation is crucial.
This limit switch is rated for a 10A current and is suitable for single-pole, double-throw (SPDT) applications. The SPDT configuration enables the switch to connect one input to either of two outputs, offering flexibility in wiring and control schemes. The switch's 1/4 DIN mounting size makes it easy to integrate into control panels and electrical enclosures, ensuring a neat and organized installation.
The Dayton 12T851 limit switch is constructed with high-quality materials to ensure durability and long-lasting performance. Its robust design includes a protective cover to shield against environmental factors and ensure a long service life. Additionally, the switch's contacts are made of silver-plated brass, which provides excellent conductivity and resistance to corrosion.
In summary, the Dayton 12T851 Limit Switch is a valuable addition to any automation project. Its innovative cat whisker wobble stick design, SPDT 10A configuration, and robust construction make it a reliable and versatile component for a wide range of applications. Whether you're working on an industrial automation system, HVAC control panel, or any other project requiring precise and reliable switch operation, the Dayton 12T851 is an excellent choice.
The Dayton 12T851 Limit Switch, also known as a Cat Whisker Wobble Switch or SPDT 10A Switch, is a type of mechanical switch that is commonly used in various industrial and automation applications. Here are some pros and cons of buying this specific switch:
Pros:1. Cost-effective: The Dayton 12T851 is an affordable option for those looking for a reliable limit switch.
2. Easy to install: This switch is designed to be user-friendly, making installation a relatively straightforward process.
3. Versatile: The SPDT configuration of the switch allows it to control two separate circuits, making it a versatile option for a wide range of applications.
4. Durable: The switch is built to withstand the rigors of industrial use, with a robust design that can handle heavy use.
Cons:1. Limited adjustability: The switch does not offer any adjustability, so it may not be suitable for applications where precise positioning is required.
2. Manual operation: The switch relies on physical contact to make the connection, which may not be ideal for applications where automatic switching is necessary.
3. Limited current handling capacity: With a maximum current handling capacity of 10A, the switch may not be suitable for applications where higher currents are required.
Conclusion:The Dayton 12T851 Limit Switch is a cost-effective and durable option for those looking for a basic limit switch for their industrial or automation applications. Its versatility and ease of installation make it a popular choice among engineers and technicians. However, its lack of adjustability and limited current handling capacity may make it less suitable for more complex applications.
Recommendation:If you're looking for a reliable and cost-effective limit switch for basic applications, the Dayton 12T851 Limit Switch is a solid choice. However, if you require more advanced features such as adjustability or higher current handling capacity, you may want to consider other options on the market.
Details:
Dayton 12T851 heavy duty limit switch, cat whisker, wobble stick, spdt, 10a at: actuator - switch location top, ac contact rating 600v, dc form switches body height 2.46 in, width 1.65 depth 1.74 boot sealed no, miniature, nema 13, 3, 4, 4x, 6p, mounting surface details.
specifications indusswitch:
- brand: Dayton
- mpn: 12t851
- features: Limit Switch, Actuator Style Limit Switch Cat Whisker, Wobble Stick, Actuator Location Limit Switch Top, Ac Contact Rating Limit Switch 10a 600v, Dc Contact Rating Limit Switch 10a 600v, Contact Form Switches Spdt, Body Height Limit Switch 2.46 In, Body Width Limit Switch 1.65 In, Body Depth Limit Switch 1.74 In, Boot Sealed Actuator Limit Switch No, Body Style Limit Switch Miniature, Nema Rating 13, 3, 4, 4x, 6p, Mounting Limit Switch Surface
- type: Industrial Electrical Controls Automation Electrical Switches
- country/region of manufacture: Cn
- item height: 2.400
- item length: 4.100
- item width: 3.400
- bundle description: No
- weight: 0.5800
- upc: 190735115862
shipping indusswitch:
- type: fixed
- transit: 2-5 days
- service: standard
- class: standard
offer indusswitch:
- started: july 17, 2025
- prices: $58.95–$280.41
- item condition:
- New – Open box
- New
- options: ship-to-home
- sold #: 15
- availability: in stock
seller indusswitch:
- # reviews: 1239581
- rating: 99.6%
- city: USA
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Limit Snap Action Switches
returns indusswitch:
- time: 60 days
- method: money back
- paid by: seller
- policy: returns accepted
payments indusswitch:
- other
- wallet: google-pay
- credit card: diners-club
Also Purchased:
- 1VLC3: SWITCH, Dayton
- 30G271: SWITCH, Dayton
- 12T876: SWITCH LEVER, Dayton
- 20C789: SWITCH CONTROL STATION, Dayton
- 12T833: SWITCH, Dayton
- 4UYE9: DRUM SWITCH, Dayton
- 6GPC4: SWITCH SOLENOID VALVE, Dayton
- 2X981A: PEDAL TOOL SWITCH AMP, Dayton
- 2X443A: DRUM SWITCH BOX MANUAL, Dayton
- 2X440A: DRUM SWITCH, Dayton
- 2X442A: DRUM SWITCH, Dayton



